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mirror_qemu
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target-arm queue: 

* xilinx_spips: set reset values correctly
  * MAINTAINERS: fix an email address
  * hw/display/tc6393xb: limit irq handler index to TC6393XB_GPIOS
  * nvic: Make systick banked for v8M
  * refactor get_phys_addr() so we can return the right format PAR
    for ATS operations
  * implement v8M TT instruction
  * fix some minor v8M bugs
  * Implement reset for GICv3 ITS
  * xlnx-zcu102: Add support for the ZynqMP QSPI
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20171213' into staging

target-arm queue:
 * xilinx_spips: set reset values correctly
 * MAINTAINERS: fix an email address
 * hw/display/tc6393xb: limit irq handler index to TC6393XB_GPIOS
 * nvic: Make systick banked for v8M
 * refactor get_phys_addr() so we can return the right format PAR
   for ATS operations
 * implement v8M TT instruction
 * fix some minor v8M bugs
 * Implement reset for GICv3 ITS
 * xlnx-zcu102: Add support for the ZynqMP QSPI

# gpg: Signature made Wed 13 Dec 2017 18:01:31 GMT
# gpg:                using RSA key 0x3C2525ED14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>"
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>"
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* remotes/pmaydell/tags/pull-target-arm-20171213: (43 commits)
  xilinx_spips: Use memset instead of a for loop to zero registers
  xilinx_spips: Set all of the reset values
  xilinx_spips: Update the QSPI Mod ID reset value
  MAINTAINERS: replace the unavailable email address
  hw/display/tc6393xb: limit irq handler index to TC6393XB_GPIOS
  nvic: Make systick banked
  nvic: Make nvic_sysreg_ns_ops work with any MemoryRegion
  target/arm: Extend PAR format determination
  target/arm: Remove fsr argument from get_phys_addr() and arm_tlb_fill()
  target/arm: Ignore fsr from get_phys_addr() in do_ats_write()
  target/arm: Use ARMMMUFaultInfo in deliver_fault()
  target/arm: Convert get_phys_addr_pmsav8() to not return FSC values
  target/arm: Convert get_phys_addr_pmsav7() to not return FSC values
  target/arm: Convert get_phys_addr_pmsav5() to not return FSC values
  target/arm: Convert get_phys_addr_lpae() to not return FSC values
  target/arm: Convert get_phys_addr_v6() to not return FSC values
  target/arm: Convert get_phys_addr_v5() to not return FSC values
  target/arm: Remove fsr argument from arm_ld*_ptw()
  target/arm: Provide fault type enum and FSR conversion functions
  target/arm: Implement TT instruction
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
master
Peter Maydell 2017-12-14 14:22:17 +00:00
parent f44cedc916 d3c348b6e3
commit 5705b536b5
46 changed files with 1840 additions and 835 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
MAINTAINERS
View File

@ -543,7 +543,7 @@ F: include/hw/*/xlnx*.h
ARM ACPI Subsystem
M: Shannon Zhao <zhaoshenglong@huawei.com>
M: Shannon Zhao <shannon.zhao@linaro.org>
M: Shannon Zhao <shannon.zhaosl@gmail.com>
L: qemu-arm@nongnu.org
S: Maintained
F: hw/arm/virt-acpi-build.c

2
default-configs/arm-softmmu.mak
View File

@ -130,5 +130,5 @@ CONFIG_SMBIOS=y
CONFIG_ASPEED_SOC=y
CONFIG_GPIO_KEY=y
CONFIG_MSF2=y
CONFIG_FW_CFG_DMA=y
CONFIG_XILINX_AXI=y

23
hw/arm/xlnx-zcu102.c
View File

@ -151,6 +151,29 @@ static void xlnx_zynqmp_init(XlnxZCU102 *s, MachineState *machine)
sysbus_connect_irq(SYS_BUS_DEVICE(&s->soc.spi[i]), 1, cs_line);
}
for (i = 0; i < XLNX_ZYNQMP_NUM_QSPI_FLASH; i++) {
SSIBus *spi_bus;
DeviceState *flash_dev;
qemu_irq cs_line;
DriveInfo *dinfo = drive_get_next(IF_MTD);
int bus = i / XLNX_ZYNQMP_NUM_QSPI_BUS_CS;
gchar *bus_name = g_strdup_printf("qspi%d", bus);
spi_bus = (SSIBus *)qdev_get_child_bus(DEVICE(&s->soc), bus_name);
g_free(bus_name);
flash_dev = ssi_create_slave_no_init(spi_bus, "n25q512a11");
if (dinfo) {
qdev_prop_set_drive(flash_dev, "drive", blk_by_legacy_dinfo(dinfo),
&error_fatal);
}
qdev_init_nofail(flash_dev);
cs_line = qdev_get_gpio_in_named(flash_dev, SSI_GPIO_CS, 0);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->soc.qspi), i + 1, cs_line);
}
/* TODO create and connect IDE devices for ide_drive_get() */
xlnx_zcu102_binfo.ram_size = ram_size;

26
hw/arm/xlnx-zynqmp.c
View File

@ -40,6 +40,10 @@
#define SATA_ADDR 0xFD0C0000
#define SATA_NUM_PORTS 2
#define QSPI_ADDR 0xff0f0000
#define LQSPI_ADDR 0xc0000000
#define QSPI_IRQ 15
#define DP_ADDR 0xfd4a0000
#define DP_IRQ 113
@ -171,6 +175,9 @@ static void xlnx_zynqmp_init(Object *obj)
qdev_set_parent_bus(DEVICE(&s->spi[i]), sysbus_get_default());
}
object_initialize(&s->qspi, sizeof(s->qspi), TYPE_XLNX_ZYNQMP_QSPIPS);
qdev_set_parent_bus(DEVICE(&s->qspi), sysbus_get_default());
object_initialize(&s->dp, sizeof(s->dp), TYPE_XLNX_DP);
qdev_set_parent_bus(DEVICE(&s->dp), sysbus_get_default());
@ -411,6 +418,25 @@ static void xlnx_zynqmp_realize(DeviceState *dev, Error **errp)
g_free(bus_name);
}
object_property_set_bool(OBJECT(&s->qspi), true, "realized", &err);
sysbus_mmio_map(SYS_BUS_DEVICE(&s->qspi), 0, QSPI_ADDR);
sysbus_mmio_map(SYS_BUS_DEVICE(&s->qspi), 1, LQSPI_ADDR);
sysbus_connect_irq(SYS_BUS_DEVICE(&s->qspi), 0, gic_spi[QSPI_IRQ]);
for (i = 0; i < XLNX_ZYNQMP_NUM_QSPI_BUS; i++) {
gchar *bus_name;
gchar *target_bus;
/* Alias controller SPI bus to the SoC itself */
bus_name = g_strdup_printf("qspi%d", i);
target_bus = g_strdup_printf("spi%d", i);
object_property_add_alias(OBJECT(s), bus_name,
OBJECT(&s->qspi), target_bus,
&error_abort);
g_free(bus_name);
g_free(target_bus);
}
object_property_set_bool(OBJECT(&s->dp), true, "realized", &err);
if (err) {
error_propagate(errp, err);

80
hw/block/m25p80.c
View File

@ -240,6 +240,8 @@ static const FlashPartInfo known_devices[] = {
{ INFO("n25q128a13", 0x20ba18, 0, 64 << 10, 256, ER_4K) },
{ INFO("n25q256a11", 0x20bb19, 0, 64 << 10, 512, ER_4K) },
{ INFO("n25q256a13", 0x20ba19, 0, 64 << 10, 512, ER_4K) },
{ INFO("n25q512a11", 0x20bb20, 0, 64 << 10, 1024, ER_4K) },
{ INFO("n25q512a13", 0x20ba20, 0, 64 << 10, 1024, ER_4K) },
{ INFO("n25q128", 0x20ba18, 0, 64 << 10, 256, 0) },
{ INFO("n25q256a", 0x20ba19, 0, 64 << 10, 512, ER_4K) },
{ INFO("n25q512a", 0x20ba20, 0, 64 << 10, 1024, ER_4K) },
@ -331,7 +333,10 @@ typedef enum {
WRDI = 0x4,
RDSR = 0x5,
WREN = 0x6,
BRRD = 0x16,
BRWR = 0x17,
JEDEC_READ = 0x9f,
BULK_ERASE_60 = 0x60,
BULK_ERASE = 0xc7,
READ_FSR = 0x70,
RDCR = 0x15,
@ -355,6 +360,8 @@ typedef enum {
DPP = 0xa2,
QPP = 0x32,
QPP_4 = 0x34,
RDID_90 = 0x90,
RDID_AB = 0xab,
ERASE_4K = 0x20,
ERASE4_4K = 0x21,
@ -405,6 +412,7 @@ typedef enum {
MAN_MACRONIX,
MAN_NUMONYX,
MAN_WINBOND,
MAN_SST,
MAN_GENERIC,
} Manufacturer;
@ -423,6 +431,7 @@ typedef struct Flash {
uint8_t data[M25P80_INTERNAL_DATA_BUFFER_SZ];
uint32_t len;
uint32_t pos;
bool data_read_loop;
uint8_t needed_bytes;
uint8_t cmd_in_progress;
uint32_t cur_addr;
@ -475,6 +484,8 @@ static inline Manufacturer get_man(Flash *s)
return MAN_SPANSION;
case 0xC2:
return MAN_MACRONIX;
case 0xBF:
return MAN_SST;
default:
return MAN_GENERIC;
}
@ -698,6 +709,7 @@ static void complete_collecting_data(Flash *s)
s->write_enable = false;
}
break;
case BRWR:
case EXTEND_ADDR_WRITE:
s->ear = s->data[0];
break;
@ -710,6 +722,31 @@ static void complete_collecting_data(Flash *s)
case WEVCR:
s->enh_volatile_cfg = s->data[0];
break;
case RDID_90:
case RDID_AB:
if (get_man(s) == MAN_SST) {
if (s->cur_addr <= 1) {
if (s->cur_addr) {
s->data[0] = s->pi->id[2];
s->data[1] = s->pi->id[0];
} else {
s->data[0] = s->pi->id[0];
s->data[1] = s->pi->id[2];
}
s->pos = 0;
s->len = 2;
s->data_read_loop = true;
s->state = STATE_READING_DATA;
} else {
qemu_log_mask(LOG_GUEST_ERROR,
"M25P80: Invalid read id address\n");
}
} else {
qemu_log_mask(LOG_GUEST_ERROR,
"M25P80: Read id (command 0x90/0xAB) is not supported"
" by device\n");
}
break;
default:
break;
}
@ -925,6 +962,8 @@ static void decode_new_cmd(Flash *s, uint32_t value)
case PP4:
case PP4_4:
case DIE_ERASE:
case RDID_90:
case RDID_AB:
s->needed_bytes = get_addr_length(s);
s->pos = 0;
s->len = 0;
@ -983,6 +1022,7 @@ static void decode_new_cmd(Flash *s, uint32_t value)
}
s->pos = 0;
s->len = 1;
s->data_read_loop = true;
s->state = STATE_READING_DATA;
break;
@ -993,6 +1033,7 @@ static void decode_new_cmd(Flash *s, uint32_t value)
}
s->pos = 0;
s->len = 1;
s->data_read_loop = true;
s->state = STATE_READING_DATA;
break;
@ -1015,6 +1056,7 @@ static void decode_new_cmd(Flash *s, uint32_t value)
s->state = STATE_READING_DATA;
break;
case BULK_ERASE_60:
case BULK_ERASE:
if (s->write_enable) {
DB_PRINT_L(0, "chip erase\n");
@ -1032,12 +1074,14 @@ static void decode_new_cmd(Flash *s, uint32_t value)
case EX_4BYTE_ADDR:
s->four_bytes_address_mode = false;
break;
case BRRD:
case EXTEND_ADDR_READ:
s->data[0] = s->ear;
s->pos = 0;
s->len = 1;
s->state = STATE_READING_DATA;
break;
case BRWR:
case EXTEND_ADDR_WRITE:
if (s->write_enable) {
s->needed_bytes = 1;
@ -1133,6 +1177,7 @@ static int m25p80_cs(SSISlave *ss, bool select)
s->pos = 0;
s->state = STATE_IDLE;
flash_sync_dirty(s, -1);
s->data_read_loop = false;
}
DB_PRINT_L(0, "%sselect\n", select ? "de" : "");
@ -1198,7 +1243,9 @@ static uint32_t m25p80_transfer8(SSISlave *ss, uint32_t tx)
s->pos++;
if (s->pos == s->len) {
s->pos = 0;
s->state = STATE_IDLE;
if (!s->data_read_loop) {
s->state = STATE_IDLE;
}
}
break;
@ -1269,11 +1316,38 @@ static Property m25p80_properties[] = {
DEFINE_PROP_END_OF_LIST(),
};
static int m25p80_pre_load(void *opaque)
{
Flash *s = (Flash *)opaque;
s->data_read_loop = false;
return 0;
}
static bool m25p80_data_read_loop_needed(void *opaque)
{
Flash *s = (Flash *)opaque;
return s->data_read_loop;
}
static const VMStateDescription vmstate_m25p80_data_read_loop = {
.name = "m25p80/data_read_loop",
.version_id = 1,
.minimum_version_id = 1,
.needed = m25p80_data_read_loop_needed,
.fields = (VMStateField[]) {
VMSTATE_BOOL(data_read_loop, Flash),
VMSTATE_END_OF_LIST()
}
};
static const VMStateDescription vmstate_m25p80 = {
.name = "m25p80",
.version_id = 0,
.minimum_version_id = 0,
.pre_save = m25p80_pre_save,
.pre_load = m25p80_pre_load,
.fields = (VMStateField[]) {
VMSTATE_UINT8(state, Flash),
VMSTATE_UINT8_ARRAY(data, Flash, M25P80_INTERNAL_DATA_BUFFER_SZ),
@ -1295,6 +1369,10 @@ static const VMStateDescription vmstate_m25p80 = {
VMSTATE_UINT8(spansion_cr3nv, Flash),
VMSTATE_UINT8(spansion_cr4nv, Flash),
VMSTATE_END_OF_LIST()
},
.subsections = (const VMStateDescription * []) {
&vmstate_m25p80_data_read_loop,
NULL
}
};

1
hw/display/tc6393xb.c
View File

@ -172,6 +172,7 @@ static void tc6393xb_gpio_handler_update(TC6393xbState *s)
int bit;
level = s->gpio_level & s->gpio_dir;
level &= MAKE_64BIT_MASK(0, TC6393XB_GPIOS);
for (diff = s->prev_level ^ level; diff; diff ^= 1 << bit) {
bit = ctz32(diff);

2
hw/intc/arm_gicv3_its_common.c
View File

@ -131,8 +131,6 @@ static void gicv3_its_common_reset(DeviceState *dev)
s->creadr = 0;
s->iidr = 0;
memset(&s->baser, 0, sizeof(s->baser));
gicv3_its_post_load(s, 0);
}
static void gicv3_its_common_class_init(ObjectClass *klass, void *data)

53
hw/intc/arm_gicv3_its_kvm.c
View File

@ -28,6 +28,16 @@
#define TYPE_KVM_ARM_ITS "arm-its-kvm"
#define KVM_ARM_ITS(obj) OBJECT_CHECK(GICv3ITSState, (obj), TYPE_KVM_ARM_ITS)
#define KVM_ARM_ITS_CLASS(klass) \
OBJECT_CLASS_CHECK(KVMARMITSClass, (klass), TYPE_KVM_ARM_ITS)
#define KVM_ARM_ITS_GET_CLASS(obj) \
OBJECT_GET_CLASS(KVMARMITSClass, (obj), TYPE_KVM_ARM_ITS)
typedef struct KVMARMITSClass {
GICv3ITSCommonClass parent_class;
void (*parent_reset)(DeviceState *dev);
} KVMARMITSClass;
static int kvm_its_send_msi(GICv3ITSState *s, uint32_t value, uint16_t devid)
{
@ -155,10 +165,6 @@ static void kvm_arm_its_post_load(GICv3ITSState *s)
{
int i;
if (!s->iidr) {
return;
}
kvm_device_access(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_ITS_REGS,
GITS_IIDR, &s->iidr, true, &error_abort);
@ -190,6 +196,41 @@ static void kvm_arm_its_post_load(GICv3ITSState *s)
GITS_CTLR, &s->ctlr, true, &error_abort);
}
static void kvm_arm_its_reset(DeviceState *dev)
{
GICv3ITSState *s = ARM_GICV3_ITS_COMMON(dev);
KVMARMITSClass *c = KVM_ARM_ITS_GET_CLASS(s);
int i;
c->parent_reset(dev);
if (kvm_device_check_attr(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_CTRL,
KVM_DEV_ARM_ITS_CTRL_RESET)) {
kvm_device_access(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_CTRL,
KVM_DEV_ARM_ITS_CTRL_RESET, NULL, true, &error_abort);
return;
}
error_report("ITS KVM: full reset is not supported by the host kernel");
if (!kvm_device_check_attr(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_ITS_REGS,
GITS_CTLR)) {
return;
}
kvm_device_access(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_ITS_REGS,
GITS_CTLR, &s->ctlr, true, &error_abort);
kvm_device_access(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_ITS_REGS,
GITS_CBASER, &s->cbaser, true, &error_abort);
for (i = 0; i < 8; i++) {
kvm_device_access(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_ITS_REGS,
GITS_BASER + i * 8, &s->baser[i], true,
&error_abort);
}
}
static Property kvm_arm_its_props[] = {
DEFINE_PROP_LINK("parent-gicv3", GICv3ITSState, gicv3, "kvm-arm-gicv3",
GICv3State *),
@ -200,12 +241,15 @@ static void kvm_arm_its_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
GICv3ITSCommonClass *icc = ARM_GICV3_ITS_COMMON_CLASS(klass);
KVMARMITSClass *ic = KVM_ARM_ITS_CLASS(klass);
dc->realize = kvm_arm_its_realize;
dc->props = kvm_arm_its_props;
ic->parent_reset = dc->reset;
icc->send_msi = kvm_its_send_msi;
icc->pre_save = kvm_arm_its_pre_save;
icc->post_load = kvm_arm_its_post_load;
dc->reset = kvm_arm_its_reset;
}
static const TypeInfo kvm_arm_its_info = {
@ -213,6 +257,7 @@ static const TypeInfo kvm_arm_its_info = {
.parent = TYPE_ARM_GICV3_ITS_COMMON,
.instance_size = sizeof(GICv3ITSState),
.class_init = kvm_arm_its_class_init,
.class_size = sizeof(KVMARMITSClass),
};
static void kvm_arm_its_register_types(void)

100
hw/intc/armv7m_nvic.c
View File

@ -1786,10 +1786,12 @@ static MemTxResult nvic_sysreg_ns_write(void *opaque, hwaddr addr,
uint64_t value, unsigned size,
MemTxAttrs attrs)
{
MemoryRegion *mr = opaque;
if (attrs.secure) {
/* S accesses to the alias act like NS accesses to the real region */
attrs.secure = 0;
return nvic_sysreg_write(opaque, addr, value, size, attrs);
return memory_region_dispatch_write(mr, addr, value, size, attrs);
} else {
/* NS attrs are RAZ/WI for privileged, and BusFault for user */
if (attrs.user) {
@ -1803,10 +1805,12 @@ static MemTxResult nvic_sysreg_ns_read(void *opaque, hwaddr addr,
uint64_t *data, unsigned size,
MemTxAttrs attrs)
{
MemoryRegion *mr = opaque;
if (attrs.secure) {
/* S accesses to the alias act like NS accesses to the real region */
attrs.secure = 0;
return nvic_sysreg_read(opaque, addr, data, size, attrs);
return memory_region_dispatch_read(mr, addr, data, size, attrs);
} else {
/* NS attrs are RAZ/WI for privileged, and BusFault for user */
if (attrs.user) {
@ -1823,6 +1827,36 @@ static const MemoryRegionOps nvic_sysreg_ns_ops = {
.endianness = DEVICE_NATIVE_ENDIAN,
};
static MemTxResult nvic_systick_write(void *opaque, hwaddr addr,
uint64_t value, unsigned size,
MemTxAttrs attrs)
{
NVICState *s = opaque;
MemoryRegion *mr;
/* Direct the access to the correct systick */
mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->systick[attrs.secure]), 0);
return memory_region_dispatch_write(mr, addr, value, size, attrs);
}
static MemTxResult nvic_systick_read(void *opaque, hwaddr addr,
uint64_t *data, unsigned size,
MemTxAttrs attrs)
{
NVICState *s = opaque;
MemoryRegion *mr;
/* Direct the access to the correct systick */
mr = sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->systick[attrs.secure]), 0);
return memory_region_dispatch_read(mr, addr, data, size, attrs);
}
static const MemoryRegionOps nvic_systick_ops = {
.read_with_attrs = nvic_systick_read,
.write_with_attrs = nvic_systick_write,
.endianness = DEVICE_NATIVE_ENDIAN,
};
static int nvic_post_load(void *opaque, int version_id)
{
NVICState *s = opaque;
@ -2001,17 +2035,16 @@ static void nvic_systick_trigger(void *opaque, int n, int level)
/* SysTick just asked us to pend its exception.
* (This is different from an external interrupt line's
* behaviour.)
* TODO: when we implement the banked systicks we must make
* this pend the correct banked exception.
* n == 0 : NonSecure systick
* n == 1 : Secure systick
*/
armv7m_nvic_set_pending(s, ARMV7M_EXCP_SYSTICK, false);
armv7m_nvic_set_pending(s, ARMV7M_EXCP_SYSTICK, n);
}
}
static void armv7m_nvic_realize(DeviceState *dev, Error **errp)
{
NVICState *s = NVIC(dev);
SysBusDevice *systick_sbd;
Error *err = NULL;
int regionlen;
@ -2028,14 +2061,35 @@ static void armv7m_nvic_realize(DeviceState *dev, Error **errp)
/* include space for internal exception vectors */
s->num_irq += NVIC_FIRST_IRQ;
object_property_set_bool(OBJECT(&s->systick), true, "realized", &err);
object_property_set_bool(OBJECT(&s->systick[M_REG_NS]), true,
"realized", &err);
if (err != NULL) {
error_propagate(errp, err);
return;
}
systick_sbd = SYS_BUS_DEVICE(&s->systick);
sysbus_connect_irq(systick_sbd, 0,
qdev_get_gpio_in_named(dev, "systick-trigger", 0));
sysbus_connect_irq(SYS_BUS_DEVICE(&s->systick[M_REG_NS]), 0,
qdev_get_gpio_in_named(dev, "systick-trigger",
M_REG_NS));
if (arm_feature(&s->cpu->env, ARM_FEATURE_M_SECURITY)) {
/* We couldn't init the secure systick device in instance_init
* as we didn't know then if the CPU had the security extensions;
* so we have to do it here.
*/
object_initialize(&s->systick[M_REG_S], sizeof(s->systick[M_REG_S]),
TYPE_SYSTICK);
qdev_set_parent_bus(DEVICE(&s->systick[M_REG_S]), sysbus_get_default());
object_property_set_bool(OBJECT(&s->systick[M_REG_S]), true,
"realized", &err);
if (err != NULL) {
error_propagate(errp, err);
return;
}
sysbus_connect_irq(SYS_BUS_DEVICE(&s->systick[M_REG_S]), 0,
qdev_get_gpio_in_named(dev, "systick-trigger",
M_REG_S));
}
/* The NVIC and System Control Space (SCS) starts at 0xe000e000
* and looks like this:
@ -2069,15 +2123,24 @@ static void armv7m_nvic_realize(DeviceState *dev, Error **errp)
memory_region_init_io(&s->sysregmem, OBJECT(s), &nvic_sysreg_ops, s,
"nvic_sysregs", 0x1000);
memory_region_add_subregion(&s->container, 0, &s->sysregmem);
memory_region_init_io(&s->systickmem, OBJECT(s),
&nvic_systick_ops, s,
"nvic_systick", 0xe0);
memory_region_add_subregion_overlap(&s->container, 0x10,
sysbus_mmio_get_region(systick_sbd, 0),
1);
&s->systickmem, 1);
if (arm_feature(&s->cpu->env, ARM_FEATURE_V8)) {
memory_region_init_io(&s->sysreg_ns_mem, OBJECT(s),
&nvic_sysreg_ns_ops, s,
&nvic_sysreg_ns_ops, &s->sysregmem,
"nvic_sysregs_ns", 0x1000);
memory_region_add_subregion(&s->container, 0x20000, &s->sysreg_ns_mem);
memory_region_init_io(&s->systick_ns_mem, OBJECT(s),
&nvic_sysreg_ns_ops, &s->systickmem,
"nvic_systick_ns", 0xe0);
memory_region_add_subregion_overlap(&s->container, 0x20010,
&s->systick_ns_mem, 1);
}
sysbus_init_mmio(SYS_BUS_DEVICE(dev), &s->container);
@ -2095,12 +2158,17 @@ static void armv7m_nvic_instance_init(Object *obj)
NVICState *nvic = NVIC(obj);
SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
object_initialize(&nvic->systick, sizeof(nvic->systick), TYPE_SYSTICK);
qdev_set_parent_bus(DEVICE(&nvic->systick), sysbus_get_default());
object_initialize(&nvic->systick[M_REG_NS],
sizeof(nvic->systick[M_REG_NS]), TYPE_SYSTICK);
qdev_set_parent_bus(DEVICE(&nvic->systick[M_REG_NS]), sysbus_get_default());
/* We can't initialize the secure systick here, as we don't know
* yet if we need it.
*/
sysbus_init_irq(sbd, &nvic->excpout);
qdev_init_gpio_out_named(dev, &nvic->sysresetreq, "SYSRESETREQ", 1);
qdev_init_gpio_in_named(dev, nvic_systick_trigger, "systick-trigger", 1);
qdev_init_gpio_in_named(dev, nvic_systick_trigger, "systick-trigger",
M_REG_NUM_BANKS);
}
static void armv7m_nvic_class_init(ObjectClass *klass, void *data)

936
hw/ssi/xilinx_spips.c
View File

File diff suppressed because it is too large Load Diff

5
include/hw/arm/xlnx-zynqmp.h
View File

@ -40,6 +40,10 @@
#define XLNX_ZYNQMP_NUM_SDHCI 2
#define XLNX_ZYNQMP_NUM_SPIS 2
#define XLNX_ZYNQMP_NUM_QSPI_BUS 2
#define XLNX_ZYNQMP_NUM_QSPI_BUS_CS 2
#define XLNX_ZYNQMP_NUM_QSPI_FLASH 4
#define XLNX_ZYNQMP_NUM_OCM_BANKS 4
#define XLNX_ZYNQMP_OCM_RAM_0_ADDRESS 0xFFFC0000
#define XLNX_ZYNQMP_OCM_RAM_SIZE 0x10000
@ -83,6 +87,7 @@ typedef struct XlnxZynqMPState {
SysbusAHCIState sata;
SDHCIState sdhci[XLNX_ZYNQMP_NUM_SDHCI];
XilinxSPIPS spi[XLNX_ZYNQMP_NUM_SPIS];
XlnxZynqMPQSPIPS qspi;
XlnxDPState dp;
XlnxDPDMAState dpdma;

4
include/hw/intc/armv7m_nvic.h
View File

@ -78,13 +78,15 @@ typedef struct NVICState {
MemoryRegion sysregmem;
MemoryRegion sysreg_ns_mem;
MemoryRegion systickmem;
MemoryRegion systick_ns_mem;
MemoryRegion container;
uint32_t num_irq;
qemu_irq excpout;
qemu_irq sysresetreq;
SysTickState systick;
SysTickState systick[M_REG_NUM_BANKS];
} NVICState;
#endif

74
include/hw/ssi/xilinx_spips.h
View File

@ -26,11 +26,29 @@
#define XILINX_SPIPS_H
#include "hw/ssi/ssi.h"
#include "qemu/fifo8.h"
#include "qemu/fifo32.h"
#include "hw/stream.h"
typedef struct XilinxSPIPS XilinxSPIPS;
#define XLNX_SPIPS_R_MAX (0x100 / 4)
#define XLNX_ZYNQMP_SPIPS_R_MAX (0x830 / 4)
/* Bite off 4k chunks at a time */
#define LQSPI_CACHE_SIZE 1024
typedef enum {
READ = 0x3, READ_4 = 0x13,
FAST_READ = 0xb, FAST_READ_4 = 0x0c,
DOR = 0x3b, DOR_4 = 0x3c,
QOR = 0x6b, QOR_4 = 0x6c,
DIOR = 0xbb, DIOR_4 = 0xbc,
QIOR = 0xeb, QIOR_4 = 0xec,
PP = 0x2, PP_4 = 0x12,
DPP = 0xa2,
QPP = 0x32, QPP_4 = 0x34,
} FlashCMD;
struct XilinxSPIPS {
SysBusDevice parent_obj;
@ -45,19 +63,70 @@ struct XilinxSPIPS {
uint8_t num_busses;
uint8_t snoop_state;
int cmd_dummies;
uint8_t link_state;
uint8_t link_state_next;
uint8_t link_state_next_when;
qemu_irq *cs_lines;
bool *cs_lines_state;
SSIBus **spi;
Fifo8 rx_fifo;
Fifo8 tx_fifo;
uint8_t num_txrx_bytes;
uint32_t rx_discard;
uint32_t regs[XLNX_SPIPS_R_MAX];
bool man_start_com;
};
typedef struct {
XilinxSPIPS parent_obj;
uint8_t lqspi_buf[LQSPI_CACHE_SIZE];
hwaddr lqspi_cached_addr;
Error *migration_blocker;
bool mmio_execution_enabled;
} XilinxQSPIPS;
typedef struct {
XilinxQSPIPS parent_obj;
StreamSlave *dma;
uint8_t dma_buf[4];
int gqspi_irqline;
uint32_t regs[XLNX_ZYNQMP_SPIPS_R_MAX];
/* GQSPI has seperate tx/rx fifos */
Fifo8 rx_fifo_g;
Fifo8 tx_fifo_g;
Fifo32 fifo_g;
/*
* At the end of each generic command, misaligned extra bytes are discard
* or padded to tx and rx respectively to round it out (and avoid need for
* individual byte access. Since we use byte fifos, keep track of the
* alignment WRT to word access.
*/
uint8_t rx_fifo_g_align;
uint8_t tx_fifo_g_align;
bool man_start_com_g;
} XlnxZynqMPQSPIPS;
typedef struct XilinxSPIPSClass {
SysBusDeviceClass parent_class;
const MemoryRegionOps *reg_ops;
uint32_t rx_fifo_size;
uint32_t tx_fifo_size;
} XilinxSPIPSClass;
#define TYPE_XILINX_SPIPS "xlnx.ps7-spi"
#define TYPE_XILINX_QSPIPS "xlnx.ps7-qspi"
#define TYPE_XLNX_ZYNQMP_QSPIPS "xlnx.usmp-gqspi"
#define XILINX_SPIPS(obj) \
OBJECT_CHECK(XilinxSPIPS, (obj), TYPE_XILINX_SPIPS)
@ -69,4 +138,7 @@ struct XilinxSPIPS {
#define XILINX_QSPIPS(obj) \
OBJECT_CHECK(XilinxQSPIPS, (obj), TYPE_XILINX_QSPIPS)
#define XLNX_ZYNQMP_QSPIPS(obj) \
OBJECT_CHECK(XlnxZynqMPQSPIPS, (obj), TYPE_XLNX_ZYNQMP_QSPIPS)
#endif /* XILINX_SPIPS_H */

1
include/standard-headers/asm-s390/virtio-ccw.h
View File

@ -1,3 +1,4 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* Definitions for virtio-ccw devices.
*

394
include/standard-headers/asm-x86/hyperv.h
View File

@ -1,393 +1 @@
#ifndef _ASM_X86_HYPERV_H
#define _ASM_X86_HYPERV_H
#include "standard-headers/linux/types.h"
/*
* The below CPUID leaves are present if VersionAndFeatures.HypervisorPresent
* is set by CPUID(HvCpuIdFunctionVersionAndFeatures).
*/
#define HYPERV_CPUID_VENDOR_AND_MAX_FUNCTIONS 0x40000000
#define HYPERV_CPUID_INTERFACE 0x40000001
#define HYPERV_CPUID_VERSION 0x40000002
#define HYPERV_CPUID_FEATURES 0x40000003
#define HYPERV_CPUID_ENLIGHTMENT_INFO 0x40000004
#define HYPERV_CPUID_IMPLEMENT_LIMITS 0x40000005
#define HYPERV_HYPERVISOR_PRESENT_BIT 0x80000000
#define HYPERV_CPUID_MIN 0x40000005
#define HYPERV_CPUID_MAX 0x4000ffff
/*
* Feature identification. EAX indicates which features are available
* to the partition based upon the current partition privileges.
*/
/* VP Runtime (HV_X64_MSR_VP_RUNTIME) available */
#define HV_X64_MSR_VP_RUNTIME_AVAILABLE (1 << 0)
/* Partition Reference Counter (HV_X64_MSR_TIME_REF_COUNT) available*/
#define HV_X64_MSR_TIME_REF_COUNT_AVAILABLE (1 << 1)
/* Partition reference TSC MSR is available */
#define HV_X64_MSR_REFERENCE_TSC_AVAILABLE (1 << 9)
/* A partition's reference time stamp counter (TSC) page */
#define HV_X64_MSR_REFERENCE_TSC 0x40000021
/*
* There is a single feature flag that signifies if the partition has access
* to MSRs with local APIC and TSC frequencies.
*/
#define HV_X64_ACCESS_FREQUENCY_MSRS (1 << 11)
/*
* Basic SynIC MSRs (HV_X64_MSR_SCONTROL through HV_X64_MSR_EOM
* and HV_X64_MSR_SINT0 through HV_X64_MSR_SINT15) available
*/
#define HV_X64_MSR_SYNIC_AVAILABLE (1 << 2)
/*
* Synthetic Timer MSRs (HV_X64_MSR_STIMER0_CONFIG through
* HV_X64_MSR_STIMER3_COUNT) available
*/
#define HV_X64_MSR_SYNTIMER_AVAILABLE (1 << 3)
/*
* APIC access MSRs (HV_X64_MSR_EOI, HV_X64_MSR_ICR and HV_X64_MSR_TPR)
* are available
*/
#define HV_X64_MSR_APIC_ACCESS_AVAILABLE (1 << 4)
/* Hypercall MSRs (HV_X64_MSR_GUEST_OS_ID and HV_X64_MSR_HYPERCALL) available*/
#define HV_X64_MSR_HYPERCALL_AVAILABLE (1 << 5)
/* Access virtual processor index MSR (HV_X64_MSR_VP_INDEX) available*/
#define HV_X64_MSR_VP_INDEX_AVAILABLE (1 << 6)
/* Virtual system reset MSR (HV_X64_MSR_RESET) is available*/
#define HV_X64_MSR_RESET_AVAILABLE (1 << 7)
/*
* Access statistics pages MSRs (HV_X64_MSR_STATS_PARTITION_RETAIL_PAGE,
* HV_X64_MSR_STATS_PARTITION_INTERNAL_PAGE, HV_X64_MSR_STATS_VP_RETAIL_PAGE,
* HV_X64_MSR_STATS_VP_INTERNAL_PAGE) available
*/
#define HV_X64_MSR_STAT_PAGES_AVAILABLE (1 << 8)
/* Frequency MSRs available */
#define HV_FEATURE_FREQUENCY_MSRS_AVAILABLE (1 << 8)
/* Crash MSR available */
#define HV_FEATURE_GUEST_CRASH_MSR_AVAILABLE (1 << 10)
/*
* Feature identification: EBX indicates which flags were specified at
* partition creation. The format is the same as the partition creation
* flag structure defined in section Partition Creation Flags.
*/
#define HV_X64_CREATE_PARTITIONS (1 << 0)
#define HV_X64_ACCESS_PARTITION_ID (1 << 1)
#define HV_X64_ACCESS_MEMORY_POOL (1 << 2)
#define HV_X64_ADJUST_MESSAGE_BUFFERS (1 << 3)
#define HV_X64_POST_MESSAGES (1 << 4)
#define HV_X64_SIGNAL_EVENTS (1 << 5)
#define HV_X64_CREATE_PORT (1 << 6)
#define HV_X64_CONNECT_PORT (1 << 7)
#define HV_X64_ACCESS_STATS (1 << 8)
#define HV_X64_DEBUGGING (1 << 11)
#define HV_X64_CPU_POWER_MANAGEMENT (1 << 12)
#define HV_X64_CONFIGURE_PROFILER (1 << 13)
/*
* Feature identification. EDX indicates which miscellaneous features
* are available to the partition.
*/
/* The MWAIT instruction is available (per section MONITOR / MWAIT) */
#define HV_X64_MWAIT_AVAILABLE (1 << 0)
/* Guest debugging support is available */
#define HV_X64_GUEST_DEBUGGING_AVAILABLE (1 << 1)
/* Performance Monitor support is available*/
#define HV_X64_PERF_MONITOR_AVAILABLE (1 << 2)
/* Support for physical CPU dynamic partitioning events is available*/
#define HV_X64_CPU_DYNAMIC_PARTITIONING_AVAILABLE (1 << 3)
/*
* Support for passing hypercall input parameter block via XMM
* registers is available
*/
#define HV_X64_HYPERCALL_PARAMS_XMM_AVAILABLE (1 << 4)
/* Support for a virtual guest idle state is available */
#define HV_X64_GUEST_IDLE_STATE_AVAILABLE (1 << 5)
/* Guest crash data handler available */
#define HV_X64_GUEST_CRASH_MSR_AVAILABLE (1 << 10)
/*
* Implementation recommendations. Indicates which behaviors the hypervisor
* recommends the OS implement for optimal performance.
*/
/*
* Recommend using hypercall for address space switches rather
* than MOV to CR3 instruction
*/
#define HV_X64_AS_SWITCH_RECOMMENDED (1 << 0)
/* Recommend using hypercall for local TLB flushes rather
* than INVLPG or MOV to CR3 instructions */
#define HV_X64_LOCAL_TLB_FLUSH_RECOMMENDED (1 << 1)
/*
* Recommend using hypercall for remote TLB flushes rather
* than inter-processor interrupts
*/
#define HV_X64_REMOTE_TLB_FLUSH_RECOMMENDED (1 << 2)
/*
* Recommend using MSRs for accessing APIC registers
* EOI, ICR and TPR rather than their memory-mapped counterparts
*/
#define HV_X64_APIC_ACCESS_RECOMMENDED (1 << 3)
/* Recommend using the hypervisor-provided MSR to initiate a system RESET */
#define HV_X64_SYSTEM_RESET_RECOMMENDED (1 << 4)
/*
* Recommend using relaxed timing for this partition. If used,
* the VM should disable any watchdog timeouts that rely on the
* timely delivery of external interrupts
*/
#define HV_X64_RELAXED_TIMING_RECOMMENDED (1 << 5)
/*
* Virtual APIC support
*/
#define HV_X64_DEPRECATING_AEOI_RECOMMENDED (1 << 9)
/* Recommend using the newer ExProcessorMasks interface */
#define HV_X64_EX_PROCESSOR_MASKS_RECOMMENDED (1 << 11)
/*
* Crash notification flag.
*/
#define HV_CRASH_CTL_CRASH_NOTIFY (1ULL << 63)
/* MSR used to identify the guest OS. */
#define HV_X64_MSR_GUEST_OS_ID 0x40000000
/* MSR used to setup pages used to communicate with the hypervisor. */
#define HV_X64_MSR_HYPERCALL 0x40000001
/* MSR used to provide vcpu index */
#define HV_X64_MSR_VP_INDEX 0x40000002
/* MSR used to reset the guest OS. */
#define HV_X64_MSR_RESET 0x40000003
/* MSR used to provide vcpu runtime in 100ns units */
#define HV_X64_MSR_VP_RUNTIME 0x40000010
/* MSR used to read the per-partition time reference counter */
#define HV_X64_MSR_TIME_REF_COUNT 0x40000020
/* MSR used to retrieve the TSC frequency */
#define HV_X64_MSR_TSC_FREQUENCY 0x40000022
/* MSR used to retrieve the local APIC timer frequency */
#define HV_X64_MSR_APIC_FREQUENCY 0x40000023
/* Define the virtual APIC registers */
#define HV_X64_MSR_EOI 0x40000070
#define HV_X64_MSR_ICR 0x40000071
#define HV_X64_MSR_TPR 0x40000072
#define HV_X64_MSR_APIC_ASSIST_PAGE 0x40000073
/* Define synthetic interrupt controller model specific registers. */
#define HV_X64_MSR_SCONTROL 0x40000080
#define HV_X64_MSR_SVERSION 0x40000081
#define HV_X64_MSR_SIEFP 0x40000082
#define HV_X64_MSR_SIMP 0x40000083
#define HV_X64_MSR_EOM 0x40000084
#define HV_X64_MSR_SINT0 0x40000090
#define HV_X64_MSR_SINT1 0x40000091
#define HV_X64_MSR_SINT2 0x40000092
#define HV_X64_MSR_SINT3 0x40000093
#define HV_X64_MSR_SINT4 0x40000094
#define HV_X64_MSR_SINT5 0x40000095
#define HV_X64_MSR_SINT6 0x40000096
#define HV_X64_MSR_SINT7 0x40000097
#define HV_X64_MSR_SINT8 0x40000098
#define HV_X64_MSR_SINT9 0x40000099
#define HV_X64_MSR_SINT10 0x4000009A
#define HV_X64_MSR_SINT11 0x4000009B
#define HV_X64_MSR_SINT12 0x4000009C
#define HV_X64_MSR_SINT13 0x4000009D
#define HV_X64_MSR_SINT14 0x4000009E
#define HV_X64_MSR_SINT15 0x4000009F
/*
* Synthetic Timer MSRs. Four timers per vcpu.
*/
#define HV_X64_MSR_STIMER0_CONFIG 0x400000B0
#define HV_X64_MSR_STIMER0_COUNT 0x400000B1
#define HV_X64_MSR_STIMER1_CONFIG 0x400000B2
#define HV_X64_MSR_STIMER1_COUNT 0x400000B3
#define HV_X64_MSR_STIMER2_CONFIG 0x400000B4
#define HV_X64_MSR_STIMER2_COUNT 0x400000B5
#define HV_X64_MSR_STIMER3_CONFIG 0x400000B6
#define HV_X64_MSR_STIMER3_COUNT 0x400000B7
/* Hyper-V guest crash notification MSR's */
#define HV_X64_MSR_CRASH_P0 0x40000100
#define HV_X64_MSR_CRASH_P1 0x40000101
#define HV_X64_MSR_CRASH_P2 0x40000102
#define HV_X64_MSR_CRASH_P3 0x40000103
#define HV_X64_MSR_CRASH_P4 0x40000104
#define HV_X64_MSR_CRASH_CTL 0x40000105
#define HV_X64_MSR_CRASH_CTL_NOTIFY (1ULL << 63)
#define HV_X64_MSR_CRASH_PARAMS \
(1 + (HV_X64_MSR_CRASH_P4 - HV_X64_MSR_CRASH_P0))
#define HV_X64_MSR_HYPERCALL_ENABLE 0x00000001
#define HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_SHIFT 12
#define HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_MASK \
(~((1ull << HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_SHIFT) - 1))
/* Declare the various hypercall operations. */
#define HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE 0x0002
#define HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST 0x0003
#define HVCALL_NOTIFY_LONG_SPIN_WAIT 0x0008
#define HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE_EX 0x0013
#define HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST_EX 0x0014
#define HVCALL_POST_MESSAGE 0x005c
#define HVCALL_SIGNAL_EVENT 0x005d
#define HV_X64_MSR_APIC_ASSIST_PAGE_ENABLE 0x00000001
#define HV_X64_MSR_APIC_ASSIST_PAGE_ADDRESS_SHIFT 12
#define HV_X64_MSR_APIC_ASSIST_PAGE_ADDRESS_MASK \
(~((1ull << HV_X64_MSR_APIC_ASSIST_PAGE_ADDRESS_SHIFT) - 1))
#define HV_X64_MSR_TSC_REFERENCE_ENABLE 0x00000001
#define HV_X64_MSR_TSC_REFERENCE_ADDRESS_SHIFT 12
#define HV_PROCESSOR_POWER_STATE_C0 0
#define HV_PROCESSOR_POWER_STATE_C1 1
#define HV_PROCESSOR_POWER_STATE_C2 2
#define HV_PROCESSOR_POWER_STATE_C3 3
#define HV_FLUSH_ALL_PROCESSORS BIT(0)
#define HV_FLUSH_ALL_VIRTUAL_ADDRESS_SPACES BIT(1)
#define HV_FLUSH_NON_GLOBAL_MAPPINGS_ONLY BIT(2)
#define HV_FLUSH_USE_EXTENDED_RANGE_FORMAT BIT(3)
enum HV_GENERIC_SET_FORMAT {
HV_GENERIC_SET_SPARCE_4K,
HV_GENERIC_SET_ALL,
};
/* hypercall status code */
#define HV_STATUS_SUCCESS 0
#define HV_STATUS_INVALID_HYPERCALL_CODE 2
#define HV_STATUS_INVALID_HYPERCALL_INPUT 3
#define HV_STATUS_INVALID_ALIGNMENT 4
#define HV_STATUS_INSUFFICIENT_MEMORY 11
#define HV_STATUS_INVALID_CONNECTION_ID 18
#define HV_STATUS_INSUFFICIENT_BUFFERS 19
typedef struct _HV_REFERENCE_TSC_PAGE {
uint32_t tsc_sequence;
uint32_t res1;
uint64_t tsc_scale;
int64_t tsc_offset;
} HV_REFERENCE_TSC_PAGE, *PHV_REFERENCE_TSC_PAGE;
/* Define the number of synthetic interrupt sources. */
#define HV_SYNIC_SINT_COUNT (16)
/* Define the expected SynIC version. */
#define HV_SYNIC_VERSION_1 (0x1)
#define HV_SYNIC_CONTROL_ENABLE (1ULL << 0)
#define HV_SYNIC_SIMP_ENABLE (1ULL << 0)
#define HV_SYNIC_SIEFP_ENABLE (1ULL << 0)
#define HV_SYNIC_SINT_MASKED (1ULL << 16)
#define HV_SYNIC_SINT_AUTO_EOI (1ULL << 17)
#define HV_SYNIC_SINT_VECTOR_MASK (0xFF)
#define HV_SYNIC_STIMER_COUNT (4)
/* Define synthetic interrupt controller message constants. */
#define HV_MESSAGE_SIZE (256)
#define HV_MESSAGE_PAYLOAD_BYTE_COUNT (240)
#define HV_MESSAGE_PAYLOAD_QWORD_COUNT (30)
/* Define hypervisor message types. */
enum hv_message_type {
HVMSG_NONE = 0x00000000,
/* Memory access messages. */
HVMSG_UNMAPPED_GPA = 0x80000000,
HVMSG_GPA_INTERCEPT = 0x80000001,
/* Timer notification messages. */
HVMSG_TIMER_EXPIRED = 0x80000010,
/* Error messages. */
HVMSG_INVALID_VP_REGISTER_VALUE = 0x80000020,
HVMSG_UNRECOVERABLE_EXCEPTION = 0x80000021,
HVMSG_UNSUPPORTED_FEATURE = 0x80000022,
/* Trace buffer complete messages. */
HVMSG_EVENTLOG_BUFFERCOMPLETE = 0x80000040,
/* Platform-specific processor intercept messages. */
HVMSG_X64_IOPORT_INTERCEPT = 0x80010000,
HVMSG_X64_MSR_INTERCEPT = 0x80010001,
HVMSG_X64_CPUID_INTERCEPT = 0x80010002,
HVMSG_X64_EXCEPTION_INTERCEPT = 0x80010003,
HVMSG_X64_APIC_EOI = 0x80010004,
HVMSG_X64_LEGACY_FP_ERROR = 0x80010005
};
/* Define synthetic interrupt controller message flags. */
union hv_message_flags {
uint8_t asu8;
struct {
uint8_t msg_pending:1;
uint8_t reserved:7;
};
};
/* Define port identifier type. */
union hv_port_id {
uint32_t asu32;
struct {
uint32_t id:24;
uint32_t reserved:8;
} u;
};
/* Define synthetic interrupt controller message header. */
struct hv_message_header {
uint32_t message_type;
uint8_t payload_size;
union hv_message_flags message_flags;
uint8_t reserved[2];
union {
uint64_t sender;
union hv_port_id port;
};
};
/* Define synthetic interrupt controller message format. */
struct hv_message {
struct hv_message_header header;
union {
uint64_t payload[HV_MESSAGE_PAYLOAD_QWORD_COUNT];
} u;
};
/* Define the synthetic interrupt message page layout. */
struct hv_message_page {
struct hv_message sint_message[HV_SYNIC_SINT_COUNT];
};
/* Define timer message payload structure. */
struct hv_timer_message_payload {
uint32_t timer_index;
uint32_t reserved;
uint64_t expiration_time; /* When the timer expired */
uint64_t delivery_time; /* When the message was delivered */
};
#define HV_STIMER_ENABLE (1ULL << 0)
#define HV_STIMER_PERIODIC (1ULL << 1)
#define HV_STIMER_LAZY (1ULL << 2)
#define HV_STIMER_AUTOENABLE (1ULL << 3)
#define HV_STIMER_SINT(config) (uint8_t)(((config) >> 16) & 0x0F)
#endif
/* this is a temporary placeholder until kvm_para.h stops including it */

2
include/standard-headers/linux/input-event-codes.h
View File

@ -1,3 +1,4 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* Input event codes
*
@ -406,6 +407,7 @@
#define BTN_TOOL_MOUSE 0x146
#define BTN_TOOL_LENS 0x147
#define BTN_TOOL_QUINTTAP 0x148 /* Five fingers on trackpad */
#define BTN_STYLUS3 0x149
#define BTN_TOUCH 0x14a
#define BTN_STYLUS 0x14b
#define BTN_STYLUS2 0x14c

1
include/standard-headers/linux/input.h
View File

@ -1,3 +1,4 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* Copyright (c) 1999-2002 Vojtech Pavlik
*

45
include/standard-headers/linux/pci_regs.h
View File

@ -1,3 +1,4 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* pci_regs.h
*
@ -746,6 +747,7 @@
#define PCI_ERR_ROOT_FIRST_FATAL 0x00000010 /* First UNC is Fatal */
#define PCI_ERR_ROOT_NONFATAL_RCV 0x00000020 /* Non-Fatal Received */
#define PCI_ERR_ROOT_FATAL_RCV 0x00000040 /* Fatal Received */
#define PCI_ERR_ROOT_AER_IRQ 0xf8000000 /* Advanced Error Interrupt Message Number */
#define PCI_ERR_ROOT_ERR_SRC 52 /* Error Source Identification */
/* Virtual Channel */
@ -939,9 +941,13 @@
#define PCI_SATA_SIZEOF_LONG 16
/* Resizable BARs */
#define PCI_REBAR_CAP 4 /* capability register */
#define PCI_REBAR_CAP_SIZES 0x00FFFFF0 /* supported BAR sizes */
#define PCI_REBAR_CTRL 8 /* control register */
#define PCI_REBAR_CTRL_NBAR_MASK (7 << 5) /* mask for # bars */
#define PCI_REBAR_CTRL_NBAR_SHIFT 5 /* shift for # bars */
#define PCI_REBAR_CTRL_BAR_IDX 0x00000007 /* BAR index */
#define PCI_REBAR_CTRL_NBAR_MASK 0x000000E0 /* # of resizable BARs */
#define PCI_REBAR_CTRL_NBAR_SHIFT 5 /* shift for # of BARs */
#define PCI_REBAR_CTRL_BAR_SIZE 0x00001F00 /* BAR size */
/* Dynamic Power Allocation */
#define PCI_DPA_CAP 4 /* capability register */
@ -960,6 +966,7 @@
/* Downstream Port Containment */
#define PCI_EXP_DPC_CAP 4 /* DPC Capability */
#define PCI_EXP_DPC_IRQ 0x1f /* DPC Interrupt Message Number */
#define PCI_EXP_DPC_CAP_RP_EXT 0x20 /* Root Port Extensions for DPC */
#define PCI_EXP_DPC_CAP_POISONED_TLP 0x40 /* Poisoned TLP Egress Blocking Supported */
#define PCI_EXP_DPC_CAP_SW_TRIGGER 0x80 /* Software Triggering Supported */
@ -995,19 +1002,25 @@
#define PCI_PTM_CTRL_ENABLE 0x00000001 /* PTM enable */
#define PCI_PTM_CTRL_ROOT 0x00000002 /* Root select */
/* L1 PM Substates */
#define PCI_L1SS_CAP 4 /* capability register */
#define PCI_L1SS_CAP_PCIPM_L1_2 1 /* PCI PM L1.2 Support */
#define PCI_L1SS_CAP_PCIPM_L1_1 2 /* PCI PM L1.1 Support */
#define PCI_L1SS_CAP_ASPM_L1_2 4 /* ASPM L1.2 Support */
#define PCI_L1SS_CAP_ASPM_L1_1 8 /* ASPM L1.1 Support */
#define PCI_L1SS_CAP_L1_PM_SS 16 /* L1 PM Substates Support */
#define PCI_L1SS_CTL1 8 /* Control Register 1 */
#define PCI_L1SS_CTL1_PCIPM_L1_2 1 /* PCI PM L1.2 Enable */
#define PCI_L1SS_CTL1_PCIPM_L1_1 2 /* PCI PM L1.1 Support */
#define PCI_L1SS_CTL1_ASPM_L1_2 4 /* ASPM L1.2 Support */
#define PCI_L1SS_CTL1_ASPM_L1_1 8 /* ASPM L1.1 Support */
#define PCI_L1SS_CTL1_L1SS_MASK 0x0000000F
#define PCI_L1SS_CTL2 0xC /* Control Register 2 */
/* ASPM L1 PM Substates */
#define PCI_L1SS_CAP 0x04 /* Capabilities Register */
#define PCI_L1SS_CAP_PCIPM_L1_2 0x00000001 /* PCI-PM L1.2 Supported */
#define PCI_L1SS_CAP_PCIPM_L1_1 0x00000002 /* PCI-PM L1.1 Supported */
#define PCI_L1SS_CAP_ASPM_L1_2 0x00000004 /* ASPM L1.2 Supported */
#define PCI_L1SS_CAP_ASPM_L1_1 0x00000008 /* ASPM L1.1 Supported */
#define PCI_L1SS_CAP_L1_PM_SS 0x00000010 /* L1 PM Substates Supported */
#define PCI_L1SS_CAP_CM_RESTORE_TIME 0x0000ff00 /* Port Common_Mode_Restore_Time */
#define PCI_L1SS_CAP_P_PWR_ON_SCALE 0x00030000 /* Port T_POWER_ON scale */
#define PCI_L1SS_CAP_P_PWR_ON_VALUE 0x00f80000 /* Port T_POWER_ON value */
#define PCI_L1SS_CTL1 0x08 /* Control 1 Register */
#define PCI_L1SS_CTL1_PCIPM_L1_2 0x00000001 /* PCI-PM L1.2 Enable */
#define PCI_L1SS_CTL1_PCIPM_L1_1 0x00000002 /* PCI-PM L1.1 Enable */
#define PCI_L1SS_CTL1_ASPM_L1_2 0x00000004 /* ASPM L1.2 Enable */
#define PCI_L1SS_CTL1_ASPM_L1_1 0x00000008 /* ASPM L1.1 Enable */
#define PCI_L1SS_CTL1_L1SS_MASK 0x0000000f
#define PCI_L1SS_CTL1_CM_RESTORE_TIME 0x0000ff00 /* Common_Mode_Restore_Time */
#define PCI_L1SS_CTL1_LTR_L12_TH_VALUE 0x03ff0000 /* LTR_L1.2_THRESHOLD_Value */
#define PCI_L1SS_CTL1_LTR_L12_TH_SCALE 0xe0000000 /* LTR_L1.2_THRESHOLD_Scale */
#define PCI_L1SS_CTL2 0x0c /* Control 2 Register */
#endif /* LINUX_PCI_REGS_H */

8
linux-headers/asm-arm/kvm.h
View File

@ -1,3 +1,4 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* Copyright (C) 2012 - Virtual Open Systems and Columbia University
* Author: Christoffer Dall <c.dall@virtualopensystems.com>
@ -151,6 +152,12 @@ struct kvm_arch_memory_slot {
(__ARM_CP15_REG(op1, 0, crm, 0) | KVM_REG_SIZE_U64)
#define ARM_CP15_REG64(...) __ARM_CP15_REG64(__VA_ARGS__)
/* PL1 Physical Timer Registers */
#define KVM_REG_ARM_PTIMER_CTL ARM_CP15_REG32(0, 14, 2, 1)
#define KVM_REG_ARM_PTIMER_CNT ARM_CP15_REG64(0, 14)
#define KVM_REG_ARM_PTIMER_CVAL ARM_CP15_REG64(2, 14)
/* Virtual Timer Registers */
#define KVM_REG_ARM_TIMER_CTL ARM_CP15_REG32(0, 14, 3, 1)
#define KVM_REG_ARM_TIMER_CNT ARM_CP15_REG64(1, 14)
#define KVM_REG_ARM_TIMER_CVAL ARM_CP15_REG64(3, 14)
@ -215,6 +222,7 @@ struct kvm_arch_memory_slot {
#define KVM_DEV_ARM_ITS_SAVE_TABLES 1
#define KVM_DEV_ARM_ITS_RESTORE_TABLES 2
#define KVM_DEV_ARM_VGIC_SAVE_PENDING_TABLES 3
#define KVM_DEV_ARM_ITS_CTRL_RESET 4
/* KVM_IRQ_LINE irq field index values */
#define KVM_ARM_IRQ_TYPE_SHIFT 24

1
linux-headers/asm-arm/kvm_para.h
View File

@ -1 +1,2 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#include <asm-generic/kvm_para.h>

2
linux-headers/asm-arm/unistd.h
View File

@ -1,3 +1,4 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* arch/arm/include/asm/unistd.h
*
@ -35,5 +36,6 @@
#define __ARM_NR_usr26 (__ARM_NR_BASE+3)
#define __ARM_NR_usr32 (__ARM_NR_BASE+4)
#define __ARM_NR_set_tls (__ARM_NR_BASE+5)
#define __ARM_NR_get_tls (__ARM_NR_BASE+6)
#endif /* __ASM_ARM_UNISTD_H */

8
linux-headers/asm-arm64/kvm.h
View File

@ -1,3 +1,4 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* Copyright (C) 2012,2013 - ARM Ltd
* Author: Marc Zyngier <marc.zyngier@arm.com>
@ -195,6 +196,12 @@ struct kvm_arch_memory_slot {
#define ARM64_SYS_REG(...) (__ARM64_SYS_REG(__VA_ARGS__) | KVM_REG_SIZE_U64)
/* Physical Timer EL0 Registers */
#define KVM_REG_ARM_PTIMER_CTL ARM64_SYS_REG(3, 3, 14, 2, 1)
#define KVM_REG_ARM_PTIMER_CVAL ARM64_SYS_REG(3, 3, 14, 2, 2)
#define KVM_REG_ARM_PTIMER_CNT ARM64_SYS_REG(3, 3, 14, 0, 1)
/* EL0 Virtual Timer Registers */
#define KVM_REG_ARM_TIMER_CTL ARM64_SYS_REG(3, 3, 14, 3, 1)
#define KVM_REG_ARM_TIMER_CNT ARM64_SYS_REG(3, 3, 14, 3, 2)
#define KVM_REG_ARM_TIMER_CVAL ARM64_SYS_REG(3, 3, 14, 0, 2)
@ -227,6 +234,7 @@ struct kvm_arch_memory_slot {
#define KVM_DEV_ARM_ITS_SAVE_TABLES 1
#define KVM_DEV_ARM_ITS_RESTORE_TABLES 2
#define KVM_DEV_ARM_VGIC_SAVE_PENDING_TABLES 3
#define KVM_DEV_ARM_ITS_CTRL_RESET 4
/* Device Control API on vcpu fd */
#define KVM_ARM_VCPU_PMU_V3_CTRL 0

1
linux-headers/asm-arm64/unistd.h
View File

@ -1,3 +1,4 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* Copyright (C) 2012 ARM Ltd.
*

1
linux-headers/asm-powerpc/epapr_hcalls.h
View File

@ -1,3 +1,4 @@
/* SPDX-License-Identifier: ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) */
/*
* ePAPR hcall interface
*

1
linux-headers/asm-powerpc/kvm.h
View File

@ -1,3 +1,4 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2, as

1
linux-headers/asm-powerpc/kvm_para.h
View File

@ -1,3 +1,4 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2, as

1
linux-headers/asm-powerpc/unistd.h
View File

@ -1,3 +1,4 @@
/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
/*
* This file contains the system call numbers.
*

1
linux-headers/asm-s390/kvm.h
View File

@ -1,3 +1,4 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef __LINUX_KVM_S390_H
#define __LINUX_KVM_S390_H
/*

1
linux-headers/asm-s390/kvm_para.h
View File

@ -1,3 +1,4 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* User API definitions for paravirtual devices on s390
*

4
linux-headers/asm-s390/unistd.h
View File

@ -1,3 +1,4 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* S390 version
*
@ -315,7 +316,8 @@
#define __NR_pwritev2 377
#define __NR_s390_guarded_storage 378
#define __NR_statx 379
#define NR_syscalls 380
#define __NR_s390_sthyi 380
#define NR_syscalls 381
/*
* There are some system calls that are not present on 64 bit, some

1
linux-headers/asm-x86/kvm.h
View File

@ -1,3 +1,4 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _ASM_X86_KVM_H
#define _ASM_X86_KVM_H

2
linux-headers/asm-x86/kvm_para.h
View File

@ -1,3 +1,4 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _ASM_X86_KVM_PARA_H
#define _ASM_X86_KVM_PARA_H
@ -109,5 +110,4 @@ struct kvm_vcpu_pv_apf_data {
#define KVM_PV_EOI_ENABLED KVM_PV_EOI_MASK
#define KVM_PV_EOI_DISABLED 0x0
#endif /* _ASM_X86_KVM_PARA_H */

1
linux-headers/asm-x86/unistd.h
View File

@ -1,3 +1,4 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _ASM_X86_UNISTD_H
#define _ASM_X86_UNISTD_H

2
linux-headers/linux/kvm.h
View File

@ -1,3 +1,4 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef __LINUX_KVM_H
#define __LINUX_KVM_H
@ -930,6 +931,7 @@ struct kvm_ppc_resize_hpt {
#define KVM_CAP_PPC_SMT_POSSIBLE 147
#define KVM_CAP_HYPERV_SYNIC2 148
#define KVM_CAP_HYPERV_VP_INDEX 149
#define KVM_CAP_S390_AIS_MIGRATION 150
#ifdef KVM_CAP_IRQ_ROUTING

1
linux-headers/linux/kvm_para.h
View File

@ -1,3 +1,4 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef __LINUX_KVM_PARA_H
#define __LINUX_KVM_PARA_H

1
linux-headers/linux/psci.h
View File

@ -1,3 +1,4 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* ARM Power State and Coordination Interface (PSCI) header
*

1
linux-headers/linux/userfaultfd.h
View File

@ -1,3 +1,4 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* include/linux/userfaultfd.h
*

1
linux-headers/linux/vfio.h
View File

@ -1,3 +1,4 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* VFIO API definition
*

1
linux-headers/linux/vfio_ccw.h
View File

@ -1,3 +1,4 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* Interfaces for vfio-ccw
*

1
linux-headers/linux/vhost.h
View File

@ -1,3 +1,4 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _LINUX_VHOST_H
#define _LINUX_VHOST_H
/* Userspace interface for in-kernel virtio accelerators. */

79
target/arm/cpu.h
View File

@ -112,7 +112,7 @@ enum {
#define ARM_CPU_VIRQ 2
#define ARM_CPU_VFIQ 3
#define NB_MMU_MODES 7
#define NB_MMU_MODES 8
/* ARM-specific extra insn start words:
* 1: Conditional execution bits
* 2: Partial exception syndrome for data aborts
@ -2226,13 +2226,13 @@ static inline bool arm_excp_unmasked(CPUState *cs, unsigned int excp_idx,
* They have the following different MMU indexes:
* User
* Privileged
* Execution priority negative (this is like privileged, but the
* MPU HFNMIENA bit means that it may have different access permission
* check results to normal privileged code, so can't share a TLB).
* User, execution priority negative (ie the MPU HFNMIENA bit may apply)
* Privileged, execution priority negative (ditto)
* If the CPU supports the v8M Security Extension then there are also:
* Secure User
* Secure Privileged
* Secure, execution priority negative
* Secure User, execution priority negative
* Secure Privileged, execution priority negative
*
* The ARMMMUIdx and the mmu index value used by the core QEMU TLB code
* are not quite the same -- different CPU types (most notably M profile
@ -2251,11 +2251,18 @@ static inline bool arm_excp_unmasked(CPUState *cs, unsigned int excp_idx,
* The constant names here are patterned after the general style of the names
* of the AT/ATS operations.
* The values used are carefully arranged to make mmu_idx => EL lookup easy.
* For M profile we arrange them to have a bit for priv, a bit for negpri
* and a bit for secure.
*/
#define ARM_MMU_IDX_A 0x10 /* A profile */
#define ARM_MMU_IDX_NOTLB 0x20 /* does not have a TLB */
#define ARM_MMU_IDX_M 0x40 /* M profile */
/* meanings of the bits for M profile mmu idx values */
#define ARM_MMU_IDX_M_PRIV 0x1
#define ARM_MMU_IDX_M_NEGPRI 0x2
#define ARM_MMU_IDX_M_S 0x4
#define ARM_MMU_IDX_TYPE_MASK (~0x7)
#define ARM_MMU_IDX_COREIDX_MASK 0x7
@ -2269,10 +2276,12 @@ typedef enum ARMMMUIdx {
ARMMMUIdx_S2NS = 6 | ARM_MMU_IDX_A,
ARMMMUIdx_MUser = 0 | ARM_MMU_IDX_M,
ARMMMUIdx_MPriv = 1 | ARM_MMU_IDX_M,
ARMMMUIdx_MNegPri = 2 | ARM_MMU_IDX_M,
ARMMMUIdx_MSUser = 3 | ARM_MMU_IDX_M,
ARMMMUIdx_MSPriv = 4 | ARM_MMU_IDX_M,
ARMMMUIdx_MSNegPri = 5 | ARM_MMU_IDX_M,
ARMMMUIdx_MUserNegPri = 2 | ARM_MMU_IDX_M,
ARMMMUIdx_MPrivNegPri = 3 | ARM_MMU_IDX_M,
ARMMMUIdx_MSUser = 4 | ARM_MMU_IDX_M,
ARMMMUIdx_MSPriv = 5 | ARM_MMU_IDX_M,
ARMMMUIdx_MSUserNegPri = 6 | ARM_MMU_IDX_M,
ARMMMUIdx_MSPrivNegPri = 7 | ARM_MMU_IDX_M,
/* Indexes below here don't have TLBs and are used only for AT system
* instructions or for the first stage of an S12 page table walk.
*/
@ -2293,10 +2302,12 @@ typedef enum ARMMMUIdxBit {
ARMMMUIdxBit_S2NS = 1 << 6,
ARMMMUIdxBit_MUser = 1 << 0,
ARMMMUIdxBit_MPriv = 1 << 1,
ARMMMUIdxBit_MNegPri = 1 << 2,
ARMMMUIdxBit_MSUser = 1 << 3,
ARMMMUIdxBit_MSPriv = 1 << 4,
ARMMMUIdxBit_MSNegPri = 1 << 5,
ARMMMUIdxBit_MUserNegPri = 1 << 2,
ARMMMUIdxBit_MPrivNegPri = 1 << 3,
ARMMMUIdxBit_MSUser = 1 << 4,
ARMMMUIdxBit_MSPriv = 1 << 5,
ARMMMUIdxBit_MSUserNegPri = 1 << 6,
ARMMMUIdxBit_MSPrivNegPri = 1 << 7,
} ARMMMUIdxBit;
#define MMU_USER_IDX 0
@ -2322,31 +2333,43 @@ static inline int arm_mmu_idx_to_el(ARMMMUIdx mmu_idx)
case ARM_MMU_IDX_A:
return mmu_idx & 3;
case ARM_MMU_IDX_M:
return (mmu_idx == ARMMMUIdx_MUser || mmu_idx == ARMMMUIdx_MSUser)
? 0 : 1;
return mmu_idx & ARM_MMU_IDX_M_PRIV;
default:
g_assert_not_reached();
}
}
/* Return the MMU index for a v7M CPU in the specified security and
* privilege state
*/
static inline ARMMMUIdx arm_v7m_mmu_idx_for_secstate_and_priv(CPUARMState *env,
bool secstate,
bool priv)
{
ARMMMUIdx mmu_idx = ARM_MMU_IDX_M;
if (priv) {
mmu_idx |= ARM_MMU_IDX_M_PRIV;
}
if (armv7m_nvic_neg_prio_requested(env->nvic, secstate)) {
mmu_idx |= ARM_MMU_IDX_M_NEGPRI;
}
if (secstate) {
mmu_idx |= ARM_MMU_IDX_M_S;
}
return mmu_idx;
}
/* Return the MMU index for a v7M CPU in the specified security state */
static inline ARMMMUIdx arm_v7m_mmu_idx_for_secstate(CPUARMState *env,
bool secstate)
{
int el = arm_current_el(env);
ARMMMUIdx mmu_idx;
bool priv = arm_current_el(env) != 0;
if (el == 0) {
mmu_idx = secstate ? ARMMMUIdx_MSUser : ARMMMUIdx_MUser;
} else {
mmu_idx = secstate ? ARMMMUIdx_MSPriv : ARMMMUIdx_MPriv;
}
if (armv7m_nvic_neg_prio_requested(env->nvic, secstate)) {
mmu_idx = secstate ? ARMMMUIdx_MSNegPri : ARMMMUIdx_MNegPri;
}
return mmu_idx;
return arm_v7m_mmu_idx_for_secstate_and_priv(env, secstate, priv);
}
/* Determine the current mmu_idx to use for normal loads/stores */

489
target/arm/helper.c
View File

@ -28,13 +28,13 @@ typedef struct ARMCacheAttrs {
static bool get_phys_addr(CPUARMState *env, target_ulong address,
MMUAccessType access_type, ARMMMUIdx mmu_idx,
hwaddr *phys_ptr, MemTxAttrs *attrs, int *prot,
target_ulong *page_size, uint32_t *fsr,
target_ulong *page_size,
ARMMMUFaultInfo *fi, ARMCacheAttrs *cacheattrs);
static bool get_phys_addr_lpae(CPUARMState *env, target_ulong address,
MMUAccessType access_type, ARMMMUIdx mmu_idx,
hwaddr *phys_ptr, MemTxAttrs *txattrs, int *prot,
target_ulong *page_size_ptr, uint32_t *fsr,
target_ulong *page_size_ptr,
ARMMMUFaultInfo *fi, ARMCacheAttrs *cacheattrs);
/* Security attributes for an address, as returned by v8m_security_lookup. */
@ -2160,20 +2160,44 @@ static uint64_t do_ats_write(CPUARMState *env, uint64_t value,
hwaddr phys_addr;
target_ulong page_size;
int prot;
uint32_t fsr;
bool ret;
uint64_t par64;
bool format64 = false;
MemTxAttrs attrs = {};
ARMMMUFaultInfo fi = {};
ARMCacheAttrs cacheattrs = {};
ret = get_phys_addr(env, value, access_type, mmu_idx, &phys_addr, &attrs,
&prot, &page_size, &fsr, &fi, &cacheattrs);
if (arm_s1_regime_using_lpae_format(env, mmu_idx)) {
/* fsr is a DFSR/IFSR value for the long descriptor
* translation table format, but with WnR always clear.
* Convert it to a 64-bit PAR.
&prot, &page_size, &fi, &cacheattrs);
if (is_a64(env)) {
format64 = true;
} else if (arm_feature(env, ARM_FEATURE_LPAE)) {
/*
* ATS1Cxx:
* * TTBCR.EAE determines whether the result is returned using the
* 32-bit or the 64-bit PAR format
* * Instructions executed in Hyp mode always use the 64bit format
*
* ATS1S2NSOxx uses the 64bit format if any of the following is true:
* * The Non-secure TTBCR.EAE bit is set to 1
* * The implementation includes EL2, and the value of HCR.VM is 1
*
* ATS1Hx always uses the 64bit format (not supported yet).
*/
format64 = arm_s1_regime_using_lpae_format(env, mmu_idx);
if (arm_feature(env, ARM_FEATURE_EL2)) {
if (mmu_idx == ARMMMUIdx_S12NSE0 || mmu_idx == ARMMMUIdx_S12NSE1) {
format64 |= env->cp15.hcr_el2 & HCR_VM;
} else {
format64 |= arm_current_el(env) == 2;
}
}
}
if (format64) {
/* Create a 64-bit PAR */
par64 = (1 << 11); /* LPAE bit always set */
if (!ret) {
par64 |= phys_addr & ~0xfffULL;
@ -2183,6 +2207,8 @@ static uint64_t do_ats_write(CPUARMState *env, uint64_t value,
par64 |= (uint64_t)cacheattrs.attrs << 56; /* ATTR */
par64 |= cacheattrs.shareability << 7; /* SH */
} else {
uint32_t fsr = arm_fi_to_lfsc(&fi);
par64 |= 1; /* F */
par64 |= (fsr & 0x3f) << 1; /* FS */
/* Note that S2WLK and FSTAGE are always zero, because we don't
@ -2207,6 +2233,8 @@ static uint64_t do_ats_write(CPUARMState *env, uint64_t value,
par64 |= (1 << 9); /* NS */
}
} else {
uint32_t fsr = arm_fi_to_sfsc(&fi);
par64 = ((fsr & (1 << 10)) >> 5) | ((fsr & (1 << 12)) >> 6) |
((fsr & 0xf) << 1) | 1;
}
@ -5947,6 +5975,28 @@ void HELPER(v7m_blxns)(CPUARMState *env, uint32_t dest)
g_assert_not_reached();
}
uint32_t HELPER(v7m_tt)(CPUARMState *env, uint32_t addr, uint32_t op)
{
/* The TT instructions can be used by unprivileged code, but in
* user-only emulation we don't have the MPU.
* Luckily since we know we are NonSecure unprivileged (and that in
* turn means that the A flag wasn't specified), all the bits in the
* register must be zero:
* IREGION: 0 because IRVALID is 0
* IRVALID: 0 because NS
* S: 0 because NS
* NSRW: 0 because NS
* NSR: 0 because NS
* RW: 0 because unpriv and A flag not set
* R: 0 because unpriv and A flag not set
* SRVALID: 0 because NS
* MRVALID: 0 because unpriv and A flag not set
* SREGION: 0 becaus SRVALID is 0
* MREGION: 0 because MRVALID is 0
*/
return 0;
}
void switch_mode(CPUARMState *env, int mode)
{
ARMCPU *cpu = arm_env_get_cpu(env);
@ -6955,7 +7005,6 @@ static bool v7m_read_half_insn(ARMCPU *cpu, ARMMMUIdx mmu_idx,
target_ulong page_size;
hwaddr physaddr;
int prot;
uint32_t fsr;
v8m_security_lookup(env, addr, MMU_INST_FETCH, mmu_idx, &sattrs);
if (!sattrs.nsc || sattrs.ns) {
@ -6969,7 +7018,7 @@ static bool v7m_read_half_insn(ARMCPU *cpu, ARMMMUIdx mmu_idx,
return false;
}
if (get_phys_addr(env, addr, MMU_INST_FETCH, mmu_idx,
&physaddr, &attrs, &prot, &page_size, &fsr, &fi, NULL)) {
&physaddr, &attrs, &prot, &page_size, &fi, NULL)) {
/* the MPU lookup failed */
env->v7m.cfsr[env->v7m.secure] |= R_V7M_CFSR_IACCVIOL_MASK;
armv7m_nvic_set_pending(env->nvic, ARMV7M_EXCP_MEM, env->v7m.secure);
@ -7856,11 +7905,13 @@ static inline uint32_t regime_el(CPUARMState *env, ARMMMUIdx mmu_idx)
case ARMMMUIdx_S1SE1:
case ARMMMUIdx_S1NSE0:
case ARMMMUIdx_S1NSE1:
case ARMMMUIdx_MPrivNegPri:
case ARMMMUIdx_MUserNegPri:
case ARMMMUIdx_MPriv:
case ARMMMUIdx_MNegPri:
case ARMMMUIdx_MUser:
case ARMMMUIdx_MSPrivNegPri:
case ARMMMUIdx_MSUserNegPri:
case ARMMMUIdx_MSPriv:
case ARMMMUIdx_MSNegPri:
case ARMMMUIdx_MSUser:
return 1;
default:
@ -7883,8 +7934,7 @@ static inline bool regime_translation_disabled(CPUARMState *env,
(R_V7M_MPU_CTRL_ENABLE_MASK | R_V7M_MPU_CTRL_HFNMIENA_MASK)) {
case R_V7M_MPU_CTRL_ENABLE_MASK:
/* Enabled, but not for HardFault and NMI */
return mmu_idx == ARMMMUIdx_MNegPri ||
mmu_idx == ARMMMUIdx_MSNegPri;
return mmu_idx & ARM_MMU_IDX_M_NEGPRI;
case R_V7M_MPU_CTRL_ENABLE_MASK | R_V7M_MPU_CTRL_HFNMIENA_MASK:
/* Enabled for all cases */
return false;
@ -8016,6 +8066,9 @@ static inline bool regime_is_user(CPUARMState *env, ARMMMUIdx mmu_idx)
case ARMMMUIdx_S1SE0:
case ARMMMUIdx_S1NSE0:
case ARMMMUIdx_MUser:
case ARMMMUIdx_MSUser:
case ARMMMUIdx_MUserNegPri:
case ARMMMUIdx_MSUserNegPri:
return true;
default:
return false;
@ -8240,7 +8293,6 @@ static bool get_level1_table_address(CPUARMState *env, ARMMMUIdx mmu_idx,
/* Translate a S1 pagetable walk through S2 if needed. */
static hwaddr S1_ptw_translate(CPUARMState *env, ARMMMUIdx mmu_idx,
hwaddr addr, MemTxAttrs txattrs,
uint32_t *fsr,
ARMMMUFaultInfo *fi)
{
if ((mmu_idx == ARMMMUIdx_S1NSE0 || mmu_idx == ARMMMUIdx_S1NSE1) &&
@ -8251,7 +8303,7 @@ static hwaddr S1_ptw_translate(CPUARMState *env, ARMMMUIdx mmu_idx,
int ret;
ret = get_phys_addr_lpae(env, addr, 0, ARMMMUIdx_S2NS, &s2pa,
&txattrs, &s2prot, &s2size, fsr, fi, NULL);
&txattrs, &s2prot, &s2size, fi, NULL);
if (ret) {
fi->s2addr = addr;
fi->stage2 = true;
@ -8271,8 +8323,7 @@ static hwaddr S1_ptw_translate(CPUARMState *env, ARMMMUIdx mmu_idx,
* (but not if it was for a debug access).
*/
static uint32_t arm_ldl_ptw(CPUState *cs, hwaddr addr, bool is_secure,
ARMMMUIdx mmu_idx, uint32_t *fsr,
ARMMMUFaultInfo *fi)
ARMMMUIdx mmu_idx, ARMMMUFaultInfo *fi)
{
ARMCPU *cpu = ARM_CPU(cs);
CPUARMState *env = &cpu->env;
@ -8281,7 +8332,7 @@ static uint32_t arm_ldl_ptw(CPUState *cs, hwaddr addr, bool is_secure,
attrs.secure = is_secure;
as = arm_addressspace(cs, attrs);
addr = S1_ptw_translate(env, mmu_idx, addr, attrs, fsr, fi);
addr = S1_ptw_translate(env, mmu_idx, addr, attrs, fi);
if (fi->s1ptw) {
return 0;
}
@ -8293,8 +8344,7 @@ static uint32_t arm_ldl_ptw(CPUState *cs, hwaddr addr, bool is_secure,
}
static uint64_t arm_ldq_ptw(CPUState *cs, hwaddr addr, bool is_secure,
ARMMMUIdx mmu_idx, uint32_t *fsr,
ARMMMUFaultInfo *fi)
ARMMMUIdx mmu_idx, ARMMMUFaultInfo *fi)
{
ARMCPU *cpu = ARM_CPU(cs);
CPUARMState *env = &cpu->env;
@ -8303,7 +8353,7 @@ static uint64_t arm_ldq_ptw(CPUState *cs, hwaddr addr, bool is_secure,
attrs.secure = is_secure;
as = arm_addressspace(cs, attrs);
addr = S1_ptw_translate(env, mmu_idx, addr, attrs, fsr, fi);
addr = S1_ptw_translate(env, mmu_idx, addr, attrs, fi);
if (fi->s1ptw) {
return 0;
}
@ -8317,11 +8367,11 @@ static uint64_t arm_ldq_ptw(CPUState *cs, hwaddr addr, bool is_secure,
static bool get_phys_addr_v5(CPUARMState *env, uint32_t address,
MMUAccessType access_type, ARMMMUIdx mmu_idx,
hwaddr *phys_ptr, int *prot,
target_ulong *page_size, uint32_t *fsr,
target_ulong *page_size,
ARMMMUFaultInfo *fi)
{
CPUState *cs = CPU(arm_env_get_cpu(env));
int code;
int level = 1;
uint32_t table;
uint32_t desc;
int type;
@ -8335,11 +8385,11 @@ static bool get_phys_addr_v5(CPUARMState *env, uint32_t address,
/* Lookup l1 descriptor. */
if (!get_level1_table_address(env, mmu_idx, &table, address)) {
/* Section translation fault if page walk is disabled by PD0 or PD1 */
code = 5;
fi->type = ARMFault_Translation;
goto do_fault;
}
desc = arm_ldl_ptw(cs, table, regime_is_secure(env, mmu_idx),
mmu_idx, fsr, fi);
mmu_idx, fi);
type = (desc & 3);
domain = (desc >> 5) & 0x0f;
if (regime_el(env, mmu_idx) == 1) {
@ -8350,21 +8400,20 @@ static bool get_phys_addr_v5(CPUARMState *env, uint32_t address,
domain_prot = (dacr >> (domain * 2)) & 3;
if (type == 0) {
/* Section translation fault. */
code = 5;
fi->type = ARMFault_Translation;
goto do_fault;
}
if (type != 2) {
level = 2;
}
if (domain_prot == 0 || domain_prot == 2) {
if (type == 2)
code = 9; /* Section domain fault. */
else
code = 11; /* Page domain fault. */
fi->type = ARMFault_Domain;
goto do_fault;
}
if (type == 2) {
/* 1Mb section. */
phys_addr = (desc & 0xfff00000) | (address & 0x000fffff);
ap = (desc >> 10) & 3;
code = 13;
*page_size = 1024 * 1024;
} else {
/* Lookup l2 entry. */
@ -8376,10 +8425,10 @@ static bool get_phys_addr_v5(CPUARMState *env, uint32_t address,
table = (desc & 0xfffff000) | ((address >> 8) & 0xffc);
}
desc = arm_ldl_ptw(cs, table, regime_is_secure(env, mmu_idx),
mmu_idx, fsr, fi);
mmu_idx, fi);
switch (desc & 3) {
case 0: /* Page translation fault. */
code = 7;
fi->type = ARMFault_Translation;
goto do_fault;
case 1: /* 64k page. */
phys_addr = (desc & 0xffff0000) | (address & 0xffff);
@ -8402,7 +8451,7 @@ static bool get_phys_addr_v5(CPUARMState *env, uint32_t address,
/* UNPREDICTABLE in ARMv5; we choose to take a
* page translation fault.
*/
code = 7;
fi->type = ARMFault_Translation;
goto do_fault;
}
} else {
@ -8415,29 +8464,29 @@ static bool get_phys_addr_v5(CPUARMState *env, uint32_t address,
/* Never happens, but compiler isn't smart enough to tell. */
abort();
}
code = 15;
}
*prot = ap_to_rw_prot(env, mmu_idx, ap, domain_prot);
*prot |= *prot ? PAGE_EXEC : 0;
if (!(*prot & (1 << access_type))) {
/* Access permission fault. */
fi->type = ARMFault_Permission;
goto do_fault;
}
*phys_ptr = phys_addr;
return false;
do_fault:
*fsr = code | (domain << 4);
fi->domain = domain;
fi->level = level;
return true;
}
static bool get_phys_addr_v6(CPUARMState *env, uint32_t address,
MMUAccessType access_type, ARMMMUIdx mmu_idx,
hwaddr *phys_ptr, MemTxAttrs *attrs, int *prot,
target_ulong *page_size, uint32_t *fsr,
ARMMMUFaultInfo *fi)
target_ulong *page_size, ARMMMUFaultInfo *fi)
{
CPUState *cs = CPU(arm_env_get_cpu(env));
int code;
int level = 1;
uint32_t table;
uint32_t desc;
uint32_t xn;
@ -8454,17 +8503,17 @@ static bool get_phys_addr_v6(CPUARMState *env, uint32_t address,
/* Lookup l1 descriptor. */
if (!get_level1_table_address(env, mmu_idx, &table, address)) {
/* Section translation fault if page walk is disabled by PD0 or PD1 */
code = 5;
fi->type = ARMFault_Translation;
goto do_fault;
}
desc = arm_ldl_ptw(cs, table, regime_is_secure(env, mmu_idx),
mmu_idx, fsr, fi);
mmu_idx, fi);
type = (desc & 3);
if (type == 0 || (type == 3 && !arm_feature(env, ARM_FEATURE_PXN))) {
/* Section translation fault, or attempt to use the encoding
* which is Reserved on implementations without PXN.
*/
code = 5;
fi->type = ARMFault_Translation;
goto do_fault;
}
if ((type == 1) || !(desc & (1 << 18))) {
@ -8476,13 +8525,13 @@ static bool get_phys_addr_v6(CPUARMState *env, uint32_t address,
} else {
dacr = env->cp15.dacr_s;
}
if (type == 1) {
level = 2;
}
domain_prot = (dacr >> (domain * 2)) & 3;
if (domain_prot == 0 || domain_prot == 2) {
if (type != 1) {
code = 9; /* Section domain fault. */
} else {
code = 11; /* Page domain fault. */
}
/* Section or Page domain fault */
fi->type = ARMFault_Domain;
goto do_fault;
}
if (type != 1) {
@ -8500,7 +8549,6 @@ static bool get_phys_addr_v6(CPUARMState *env, uint32_t address,
ap = ((desc >> 10) & 3) | ((desc >> 13) & 4);
xn = desc & (1 << 4);
pxn = desc & 1;
code = 13;
ns = extract32(desc, 19, 1);
} else {
if (arm_feature(env, ARM_FEATURE_PXN)) {
@ -8510,11 +8558,11 @@ static bool get_phys_addr_v6(CPUARMState *env, uint32_t address,
/* Lookup l2 entry. */
table = (desc & 0xfffffc00) | ((address >> 10) & 0x3fc);
desc = arm_ldl_ptw(cs, table, regime_is_secure(env, mmu_idx),
mmu_idx, fsr, fi);
mmu_idx, fi);
ap = ((desc >> 4) & 3) | ((desc >> 7) & 4);
switch (desc & 3) {
case 0: /* Page translation fault. */
code = 7;
fi->type = ARMFault_Translation;
goto do_fault;
case 1: /* 64k page. */
phys_addr = (desc & 0xffff0000) | (address & 0xffff);
@ -8530,7 +8578,6 @@ static bool get_phys_addr_v6(CPUARMState *env, uint32_t address,
/* Never happens, but compiler isn't smart enough to tell. */
abort();
}
code = 15;
}
if (domain_prot == 3) {
*prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
@ -8538,15 +8585,17 @@ static bool get_phys_addr_v6(CPUARMState *env, uint32_t address,
if (pxn && !regime_is_user(env, mmu_idx)) {
xn = 1;
}
if (xn && access_type == MMU_INST_FETCH)
if (xn && access_type == MMU_INST_FETCH) {
fi->type = ARMFault_Permission;
goto do_fault;
}
if (arm_feature(env, ARM_FEATURE_V6K) &&
(regime_sctlr(env, mmu_idx) & SCTLR_AFE)) {
/* The simplified model uses AP[0] as an access control bit. */
if ((ap & 1) == 0) {
/* Access flag fault. */
code = (code == 15) ? 6 : 3;
fi->type = ARMFault_AccessFlag;
goto do_fault;
}
*prot = simple_ap_to_rw_prot(env, mmu_idx, ap >> 1);
@ -8558,6 +8607,7 @@ static bool get_phys_addr_v6(CPUARMState *env, uint32_t address,
}
if (!(*prot & (1 << access_type))) {
/* Access permission fault. */
fi->type = ARMFault_Permission;
goto do_fault;
}
}
@ -8571,19 +8621,11 @@ static bool get_phys_addr_v6(CPUARMState *env, uint32_t address,
*phys_ptr = phys_addr;
return false;
do_fault:
*fsr = code | (domain << 4);
fi->domain = domain;
fi->level = level;
return true;
}
/* Fault type for long-descriptor MMU fault reporting; this corresponds
* to bits [5..2] in the STATUS field in long-format DFSR/IFSR.
*/
typedef enum {
translation_fault = 1,
access_fault = 2,
permission_fault = 3,
} MMUFaultType;
/*
* check_s2_mmu_setup
* @cpu: ARMCPU
@ -8685,13 +8727,13 @@ static uint8_t convert_stage2_attrs(CPUARMState *env, uint8_t s2attrs)
static bool get_phys_addr_lpae(CPUARMState *env, target_ulong address,
MMUAccessType access_type, ARMMMUIdx mmu_idx,
hwaddr *phys_ptr, MemTxAttrs *txattrs, int *prot,
target_ulong *page_size_ptr, uint32_t *fsr,
target_ulong *page_size_ptr,
ARMMMUFaultInfo *fi, ARMCacheAttrs *cacheattrs)
{
ARMCPU *cpu = arm_env_get_cpu(env);
CPUState *cs = CPU(cpu);
/* Read an LPAE long-descriptor translation table. */
MMUFaultType fault_type = translation_fault;
ARMFaultType fault_type = ARMFault_Translation;
uint32_t level;
uint32_t epd = 0;
int32_t t0sz, t1sz;
@ -8801,7 +8843,7 @@ static bool get_phys_addr_lpae(CPUARMState *env, target_ulong address,
ttbr_select = 1;
} else {
/* in the gap between the two regions, this is a Translation fault */
fault_type = translation_fault;
fault_type = ARMFault_Translation;
goto do_fault;
}
@ -8887,7 +8929,7 @@ static bool get_phys_addr_lpae(CPUARMState *env, target_ulong address,
ok = check_s2_mmu_setup(cpu, aarch64, startlevel,
inputsize, stride);
if (!ok) {
fault_type = translation_fault;
fault_type = ARMFault_Translation;
goto do_fault;
}
level = startlevel;
@ -8921,7 +8963,7 @@ static bool get_phys_addr_lpae(CPUARMState *env, target_ulong address,
descaddr |= (address >> (stride * (4 - level))) & indexmask;
descaddr &= ~7ULL;
nstable = extract32(tableattrs, 4, 1);
descriptor = arm_ldq_ptw(cs, descaddr, !nstable, mmu_idx, fsr, fi);
descriptor = arm_ldq_ptw(cs, descaddr, !nstable, mmu_idx, fi);
if (fi->s1ptw) {
goto do_fault;
}
@ -8973,7 +9015,7 @@ static bool get_phys_addr_lpae(CPUARMState *env, target_ulong address,
/* Here descaddr is the final physical address, and attributes
* are all in attrs.
*/
fault_type = access_fault;
fault_type = ARMFault_AccessFlag;
if ((attrs & (1 << 8)) == 0) {
/* Access flag */
goto do_fault;
@ -8991,7 +9033,7 @@ static bool get_phys_addr_lpae(CPUARMState *env, target_ulong address,
*prot = get_S1prot(env, mmu_idx, aarch64, ap, ns, xn, pxn);
}
fault_type = permission_fault;
fault_type = ARMFault_Permission;
if (!(*prot & (1 << access_type))) {
goto do_fault;
}
@ -9023,8 +9065,8 @@ static bool get_phys_addr_lpae(CPUARMState *env, target_ulong address,
return false;
do_fault:
/* Long-descriptor format IFSR/DFSR value */
*fsr = (1 << 9) | (fault_type << 2) | level;
fi->type = fault_type;
fi->level = level;
/* Tag the error as S2 for failed S1 PTW at S2 or ordinary S2. */
fi->stage2 = fi->s1ptw || (mmu_idx == ARMMMUIdx_S2NS);
return true;
@ -9108,7 +9150,8 @@ static inline bool m_is_system_region(CPUARMState *env, uint32_t address)
static bool get_phys_addr_pmsav7(CPUARMState *env, uint32_t address,
MMUAccessType access_type, ARMMMUIdx mmu_idx,
hwaddr *phys_ptr, int *prot, uint32_t *fsr)
hwaddr *phys_ptr, int *prot,
ARMMMUFaultInfo *fi)
{
ARMCPU *cpu = arm_env_get_cpu(env);
int n;
@ -9203,7 +9246,7 @@ static bool get_phys_addr_pmsav7(CPUARMState *env, uint32_t address,
if (n == -1) { /* no hits */
if (!pmsav7_use_background_region(cpu, mmu_idx, is_user)) {
/* background fault */
*fsr = 0;
fi->type = ARMFault_Background;
return true;
}
get_phys_addr_pmsav7_default(env, mmu_idx, address, prot);
@ -9261,7 +9304,8 @@ static bool get_phys_addr_pmsav7(CPUARMState *env, uint32_t address,
}
}
*fsr = 0x00d; /* Permission fault */
fi->type = ARMFault_Permission;
fi->level = 1;
return !(*prot & (1 << access_type));
}
@ -9344,67 +9388,28 @@ static void v8m_security_lookup(CPUARMState *env, uint32_t address,
}
}
static bool get_phys_addr_pmsav8(CPUARMState *env, uint32_t address,
MMUAccessType access_type, ARMMMUIdx mmu_idx,
hwaddr *phys_ptr, MemTxAttrs *txattrs,
int *prot, uint32_t *fsr)
static bool pmsav8_mpu_lookup(CPUARMState *env, uint32_t address,
MMUAccessType access_type, ARMMMUIdx mmu_idx,
hwaddr *phys_ptr, MemTxAttrs *txattrs,
int *prot, ARMMMUFaultInfo *fi, uint32_t *mregion)
{
/* Perform a PMSAv8 MPU lookup (without also doing the SAU check
* that a full phys-to-virt translation does).
* mregion is (if not NULL) set to the region number which matched,
* or -1 if no region number is returned (MPU off, address did not
* hit a region, address hit in multiple regions).
*/
ARMCPU *cpu = arm_env_get_cpu(env);
bool is_user = regime_is_user(env, mmu_idx);
uint32_t secure = regime_is_secure(env, mmu_idx);
int n;
int matchregion = -1;
bool hit = false;
V8M_SAttributes sattrs = {};
*phys_ptr = address;
*prot = 0;
if (arm_feature(env, ARM_FEATURE_M_SECURITY)) {
v8m_security_lookup(env, address, access_type, mmu_idx, &sattrs);
if (access_type == MMU_INST_FETCH) {
/* Instruction fetches always use the MMU bank and the
* transaction attribute determined by the fetch address,
* regardless of CPU state. This is painful for QEMU
* to handle, because it would mean we need to encode
* into the mmu_idx not just the (user, negpri) information
* for the current security state but also that for the
* other security state, which would balloon the number
* of mmu_idx values needed alarmingly.
* Fortunately we can avoid this because it's not actually
* possible to arbitrarily execute code from memory with
* the wrong security attribute: it will always generate
* an exception of some kind or another, apart from the
* special case of an NS CPU executing an SG instruction
* in S&NSC memory. So we always just fail the translation
* here and sort things out in the exception handler
* (including possibly emulating an SG instruction).
*/
if (sattrs.ns != !secure) {
*fsr = sattrs.nsc ? M_FAKE_FSR_NSC_EXEC : M_FAKE_FSR_SFAULT;
return true;
}
} else {
/* For data accesses we always use the MMU bank indicated
* by the current CPU state, but the security attributes
* might downgrade a secure access to nonsecure.
*/
if (sattrs.ns) {
txattrs->secure = false;
} else if (!secure) {
/* NS access to S memory must fault.
* Architecturally we should first check whether the
* MPU information for this address indicates that we
* are doing an unaligned access to Device memory, which
* should generate a UsageFault instead. QEMU does not
* currently check for that kind of unaligned access though.
* If we added it we would need to do so as a special case
* for M_FAKE_FSR_SFAULT in arm_v7m_cpu_do_interrupt().
*/
*fsr = M_FAKE_FSR_SFAULT;
return true;
}
}
if (mregion) {
*mregion = -1;
}
/* Unlike the ARM ARM pseudocode, we don't need to check whether this
@ -9442,7 +9447,8 @@ static bool get_phys_addr_pmsav8(CPUARMState *env, uint32_t address,
/* Multiple regions match -- always a failure (unlike
* PMSAv7 where highest-numbered-region wins)
*/
*fsr = 0x00d; /* permission fault */
fi->type = ARMFault_Permission;
fi->level = 1;
return true;
}
@ -9470,7 +9476,7 @@ static bool get_phys_addr_pmsav8(CPUARMState *env, uint32_t address,
if (!hit) {
/* background fault */
*fsr = 0;
fi->type = ARMFault_Background;
return true;
}
@ -9493,15 +9499,88 @@ static bool get_phys_addr_pmsav8(CPUARMState *env, uint32_t address,
/* We don't need to look the attribute up in the MAIR0/MAIR1
* registers because that only tells us about cacheability.
*/
if (mregion) {
*mregion = matchregion;
}
}
*fsr = 0x00d; /* Permission fault */
fi->type = ARMFault_Permission;
fi->level = 1;
return !(*prot & (1 << access_type));
}
static bool get_phys_addr_pmsav8(CPUARMState *env, uint32_t address,
MMUAccessType access_type, ARMMMUIdx mmu_idx,
hwaddr *phys_ptr, MemTxAttrs *txattrs,
int *prot, ARMMMUFaultInfo *fi)
{
uint32_t secure = regime_is_secure(env, mmu_idx);
V8M_SAttributes sattrs = {};
if (arm_feature(env, ARM_FEATURE_M_SECURITY)) {
v8m_security_lookup(env, address, access_type, mmu_idx, &sattrs);
if (access_type == MMU_INST_FETCH) {
/* Instruction fetches always use the MMU bank and the
* transaction attribute determined by the fetch address,
* regardless of CPU state. This is painful for QEMU
* to handle, because it would mean we need to encode
* into the mmu_idx not just the (user, negpri) information
* for the current security state but also that for the
* other security state, which would balloon the number
* of mmu_idx values needed alarmingly.
* Fortunately we can avoid this because it's not actually
* possible to arbitrarily execute code from memory with
* the wrong security attribute: it will always generate
* an exception of some kind or another, apart from the
* special case of an NS CPU executing an SG instruction
* in S&NSC memory. So we always just fail the translation
* here and sort things out in the exception handler
* (including possibly emulating an SG instruction).
*/
if (sattrs.ns != !secure) {
if (sattrs.nsc) {
fi->type = ARMFault_QEMU_NSCExec;
} else {
fi->type = ARMFault_QEMU_SFault;
}
*phys_ptr = address;
*prot = 0;
return true;
}
} else {
/* For data accesses we always use the MMU bank indicated
* by the current CPU state, but the security attributes
* might downgrade a secure access to nonsecure.
*/
if (sattrs.ns) {
txattrs->secure = false;
} else if (!secure) {
/* NS access to S memory must fault.
* Architecturally we should first check whether the
* MPU information for this address indicates that we
* are doing an unaligned access to Device memory, which
* should generate a UsageFault instead. QEMU does not
* currently check for that kind of unaligned access though.
* If we added it we would need to do so as a special case
* for M_FAKE_FSR_SFAULT in arm_v7m_cpu_do_interrupt().
*/
fi->type = ARMFault_QEMU_SFault;
*phys_ptr = address;
*prot = 0;
return true;
}
}
}
return pmsav8_mpu_lookup(env, address, access_type, mmu_idx, phys_ptr,
txattrs, prot, fi, NULL);
}
static bool get_phys_addr_pmsav5(CPUARMState *env, uint32_t address,
MMUAccessType access_type, ARMMMUIdx mmu_idx,
hwaddr *phys_ptr, int *prot, uint32_t *fsr)
hwaddr *phys_ptr, int *prot,
ARMMMUFaultInfo *fi)
{
int n;
uint32_t mask;
@ -9530,7 +9609,7 @@ static bool get_phys_addr_pmsav5(CPUARMState *env, uint32_t address,
}
}
if (n < 0) {
*fsr = 2;
fi->type = ARMFault_Background;
return true;
}
@ -9542,11 +9621,13 @@ static bool get_phys_addr_pmsav5(CPUARMState *env, uint32_t address,
mask = (mask >> (n * 4)) & 0xf;
switch (mask) {
case 0:
*fsr = 1;
fi->type = ARMFault_Permission;
fi->level = 1;
return true;
case 1:
if (is_user) {
*fsr = 1;
fi->type = ARMFault_Permission;
fi->level = 1;
return true;
}
*prot = PAGE_READ | PAGE_WRITE;
@ -9562,7 +9643,8 @@ static bool get_phys_addr_pmsav5(CPUARMState *env, uint32_t address,
break;
case 5:
if (is_user) {
*fsr = 1;
fi->type = ARMFault_Permission;
fi->level = 1;
return true;
}
*prot = PAGE_READ;
@ -9572,7 +9654,8 @@ static bool get_phys_addr_pmsav5(CPUARMState *env, uint32_t address,
break;
default:
/* Bad permission. */
*fsr = 1;
fi->type = ARMFault_Permission;
fi->level = 1;
return true;
}
*prot |= PAGE_EXEC;
@ -9689,14 +9772,13 @@ static ARMCacheAttrs combine_cacheattrs(ARMCacheAttrs s1, ARMCacheAttrs s2)
* @attrs: set to the memory transaction attributes to use
* @prot: set to the permissions for the page containing phys_ptr
* @page_size: set to the size of the page containing phys_ptr
* @fsr: set to the DFSR/IFSR value on failure
* @fi: set to fault info if the translation fails
* @cacheattrs: (if non-NULL) set to the cacheability/shareability attributes
*/
static bool get_phys_addr(CPUARMState *env, target_ulong address,
MMUAccessType access_type, ARMMMUIdx mmu_idx,
hwaddr *phys_ptr, MemTxAttrs *attrs, int *prot,
target_ulong *page_size, uint32_t *fsr,
target_ulong *page_size,
ARMMMUFaultInfo *fi, ARMCacheAttrs *cacheattrs)
{
if (mmu_idx == ARMMMUIdx_S12NSE0 || mmu_idx == ARMMMUIdx_S12NSE1) {
@ -9711,7 +9793,7 @@ static bool get_phys_addr(CPUARMState *env, target_ulong address,
ret = get_phys_addr(env, address, access_type,
stage_1_mmu_idx(mmu_idx), &ipa, attrs,
prot, page_size, fsr, fi, cacheattrs);
prot, page_size, fi, cacheattrs);
/* If S1 fails or S2 is disabled, return early. */
if (ret || regime_translation_disabled(env, ARMMMUIdx_S2NS)) {
@ -9722,7 +9804,7 @@ static bool get_phys_addr(CPUARMState *env, target_ulong address,
/* S1 is done. Now do S2 translation. */
ret = get_phys_addr_lpae(env, ipa, access_type, ARMMMUIdx_S2NS,
phys_ptr, attrs, &s2_prot,
page_size, fsr, fi,
page_size, fi,
cacheattrs != NULL ? &cacheattrs2 : NULL);
fi->s2addr = ipa;
/* Combine the S1 and S2 perms. */
@ -9768,15 +9850,15 @@ static bool get_phys_addr(CPUARMState *env, target_ulong address,
if (arm_feature(env, ARM_FEATURE_V8)) {
/* PMSAv8 */
ret = get_phys_addr_pmsav8(env, address, access_type, mmu_idx,
phys_ptr, attrs, prot, fsr);
phys_ptr, attrs, prot, fi);
} else if (arm_feature(env, ARM_FEATURE_V7)) {
/* PMSAv7 */
ret = get_phys_addr_pmsav7(env, address, access_type, mmu_idx,
phys_ptr, prot, fsr);
phys_ptr, prot, fi);
} else {
/* Pre-v7 MPU */
ret = get_phys_addr_pmsav5(env, address, access_type, mmu_idx,
phys_ptr, prot, fsr);
phys_ptr, prot, fi);
}
qemu_log_mask(CPU_LOG_MMU, "PMSA MPU lookup for %s at 0x%08" PRIx32
" mmu_idx %u -> %s (prot %c%c%c)\n",
@ -9802,14 +9884,15 @@ static bool get_phys_addr(CPUARMState *env, target_ulong address,
}
if (regime_using_lpae_format(env, mmu_idx)) {
return get_phys_addr_lpae(env, address, access_type, mmu_idx, phys_ptr,
attrs, prot, page_size, fsr, fi, cacheattrs);
return get_phys_addr_lpae(env, address, access_type, mmu_idx,
phys_ptr, attrs, prot, page_size,
fi, cacheattrs);
} else if (regime_sctlr(env, mmu_idx) & SCTLR_XP) {
return get_phys_addr_v6(env, address, access_type, mmu_idx, phys_ptr,
attrs, prot, page_size, fsr, fi);
return get_phys_addr_v6(env, address, access_type, mmu_idx,
phys_ptr, attrs, prot, page_size, fi);
} else {
return get_phys_addr_v5(env, address, access_type, mmu_idx, phys_ptr,
prot, page_size, fsr, fi);
return get_phys_addr_v5(env, address, access_type, mmu_idx,
phys_ptr, prot, page_size, fi);
}
}
@ -9818,7 +9901,7 @@ static bool get_phys_addr(CPUARMState *env, target_ulong address,
* fsr with ARM DFSR/IFSR fault register format value on failure.
*/
bool arm_tlb_fill(CPUState *cs, vaddr address,
MMUAccessType access_type, int mmu_idx, uint32_t *fsr,
MMUAccessType access_type, int mmu_idx,
ARMMMUFaultInfo *fi)
{
ARMCPU *cpu = ARM_CPU(cs);
@ -9831,7 +9914,7 @@ bool arm_tlb_fill(CPUState *cs, vaddr address,
ret = get_phys_addr(env, address, access_type,
core_to_arm_mmu_idx(env, mmu_idx), &phys_addr,
&attrs, &prot, &page_size, fsr, fi, NULL);
&attrs, &prot, &page_size, fi, NULL);
if (!ret) {
/* Map a single [sub]page. */
phys_addr &= TARGET_PAGE_MASK;
@ -9853,14 +9936,13 @@ hwaddr arm_cpu_get_phys_page_attrs_debug(CPUState *cs, vaddr addr,
target_ulong page_size;
int prot;
bool ret;
uint32_t fsr;
ARMMMUFaultInfo fi = {};
ARMMMUIdx mmu_idx = core_to_arm_mmu_idx(env, cpu_mmu_index(env, false));
*attrs = (MemTxAttrs) {};
ret = get_phys_addr(env, addr, 0, mmu_idx, &phys_addr,
attrs, &prot, &page_size, &fsr, &fi, NULL);
attrs, &prot, &page_size, &fi, NULL);
if (ret) {
return -1;
@ -9953,11 +10035,9 @@ uint32_t HELPER(v7m_mrs)(CPUARMState *env, uint32_t reg)
switch (reg) {
case 8: /* MSP */
return (env->v7m.control[env->v7m.secure] & R_V7M_CONTROL_SPSEL_MASK) ?
env->v7m.other_sp : env->regs[13];
return v7m_using_psp(env) ? env->v7m.other_sp : env->regs[13];
case 9: /* PSP */
return (env->v7m.control[env->v7m.secure] & R_V7M_CONTROL_SPSEL_MASK) ?
env->regs[13] : env->v7m.other_sp;
return v7m_using_psp(env) ? env->regs[13] : env->v7m.other_sp;
case 16: /* PRIMASK */
return env->v7m.primask[env->v7m.secure];
case 17: /* BASEPRI */
@ -10059,14 +10139,14 @@ void HELPER(v7m_msr)(CPUARMState *env, uint32_t maskreg, uint32_t val)
}
break;
case 8: /* MSP */
if (env->v7m.control[env->v7m.secure] & R_V7M_CONTROL_SPSEL_MASK) {
if (v7m_using_psp(env)) {
env->v7m.other_sp = val;
} else {
env->regs[13] = val;
}
break;
case 9: /* PSP */
if (env->v7m.control[env->v7m.secure] & R_V7M_CONTROL_SPSEL_MASK) {
if (v7m_using_psp(env)) {
env->regs[13] = val;
} else {
env->v7m.other_sp = val;
@ -10093,8 +10173,11 @@ void HELPER(v7m_msr)(CPUARMState *env, uint32_t maskreg, uint32_t val)
* thread mode; other bits can be updated by any privileged code.
* write_v7m_control_spsel() deals with updating the SPSEL bit in
* env->v7m.control, so we only need update the others.
* For v7M, we must just ignore explicit writes to SPSEL in handler
* mode; for v8M the write is permitted but will have no effect.
*/
if (!arm_v7m_is_handler_mode(env)) {
if (arm_feature(env, ARM_FEATURE_V8) ||
!arm_v7m_is_handler_mode(env)) {
write_v7m_control_spsel(env, (val & R_V7M_CONTROL_SPSEL_MASK) != 0);
}
env->v7m.control[env->v7m.secure] &= ~R_V7M_CONTROL_NPRIV_MASK;
@ -10107,6 +10190,92 @@ void HELPER(v7m_msr)(CPUARMState *env, uint32_t maskreg, uint32_t val)
}
}
uint32_t HELPER(v7m_tt)(CPUARMState *env, uint32_t addr, uint32_t op)
{
/* Implement the TT instruction. op is bits [7:6] of the insn. */
bool forceunpriv = op & 1;
bool alt = op & 2;
V8M_SAttributes sattrs = {};
uint32_t tt_resp;
bool r, rw, nsr, nsrw, mrvalid;
int prot;
ARMMMUFaultInfo fi = {};
MemTxAttrs attrs = {};
hwaddr phys_addr;
ARMMMUIdx mmu_idx;
uint32_t mregion;
bool targetpriv;
bool targetsec = env->v7m.secure;
/* Work out what the security state and privilege level we're
* interested in is...
*/
if (alt) {
targetsec = !targetsec;
}
if (forceunpriv) {
targetpriv = false;
} else {
targetpriv = arm_v7m_is_handler_mode(env) ||
!(env->v7m.control[targetsec] & R_V7M_CONTROL_NPRIV_MASK);
}
/* ...and then figure out which MMU index this is */
mmu_idx = arm_v7m_mmu_idx_for_secstate_and_priv(env, targetsec, targetpriv);
/* We know that the MPU and SAU don't care about the access type
* for our purposes beyond that we don't want to claim to be
* an insn fetch, so we arbitrarily call this a read.
*/
/* MPU region info only available for privileged or if
* inspecting the other MPU state.
*/
if (arm_current_el(env) != 0 || alt) {
/* We can ignore the return value as prot is always set */
pmsav8_mpu_lookup(env, addr, MMU_DATA_LOAD, mmu_idx,
&phys_addr, &attrs, &prot, &fi, &mregion);
if (mregion == -1) {
mrvalid = false;
mregion = 0;
} else {
mrvalid = true;
}
r = prot & PAGE_READ;
rw = prot & PAGE_WRITE;
} else {
r = false;
rw = false;
mrvalid = false;
mregion = 0;
}
if (env->v7m.secure) {
v8m_security_lookup(env, addr, MMU_DATA_LOAD, mmu_idx, &sattrs);
nsr = sattrs.ns && r;
nsrw = sattrs.ns && rw;
} else {
sattrs.ns = true;
nsr = false;
nsrw = false;
}
tt_resp = (sattrs.iregion << 24) |
(sattrs.irvalid << 23) |
((!sattrs.ns) << 22) |
(nsrw << 21) |
(nsr << 20) |
(rw << 19) |
(r << 18) |
(sattrs.srvalid << 17) |
(mrvalid << 16) |
(sattrs.sregion << 8) |
mregion;
return tt_resp;
}
#endif
void HELPER(dc_zva)(CPUARMState *env, uint64_t vaddr_in)

2
target/arm/helper.h
View File

@ -66,6 +66,8 @@ DEF_HELPER_2(v7m_mrs, i32, env, i32)
DEF_HELPER_2(v7m_bxns, void, env, i32)
DEF_HELPER_2(v7m_blxns, void, env, i32)
DEF_HELPER_3(v7m_tt, i32, env, i32, i32)
DEF_HELPER_4(access_check_cp_reg, void, env, ptr, i32, i32)
DEF_HELPER_3(set_cp_reg, void, env, ptr, i32)
DEF_HELPER_2(get_cp_reg, i32, env, ptr)

193
target/arm/internals.h
View File

@ -487,8 +487,40 @@ static inline void arm_clear_exclusive(CPUARMState *env)
env->exclusive_addr = -1;
}
/**
* ARMFaultType: type of an ARM MMU fault
* This corresponds to the v8A pseudocode's Fault enumeration,
* with extensions for QEMU internal conditions.
*/
typedef enum ARMFaultType {
ARMFault_None,
ARMFault_AccessFlag,
ARMFault_Alignment,
ARMFault_Background,
ARMFault_Domain,
ARMFault_Permission,
ARMFault_Translation,
ARMFault_AddressSize,
ARMFault_SyncExternal,
ARMFault_SyncExternalOnWalk,
ARMFault_SyncParity,
ARMFault_SyncParityOnWalk,
ARMFault_AsyncParity,
ARMFault_AsyncExternal,
ARMFault_Debug,
ARMFault_TLBConflict,
ARMFault_Lockdown,
ARMFault_Exclusive,
ARMFault_ICacheMaint,
ARMFault_QEMU_NSCExec, /* v8M: NS executing in S&NSC memory */
ARMFault_QEMU_SFault, /* v8M: SecureFault INVTRAN, INVEP or AUVIOL */
} ARMFaultType;
/**
* ARMMMUFaultInfo: Information describing an ARM MMU Fault
* @type: Type of fault
* @level: Table walk level (for translation, access flag and permission faults)
* @domain: Domain of the fault address (for non-LPAE CPUs only)
* @s2addr: Address that caused a fault at stage 2
* @stage2: True if we faulted at stage 2
* @s1ptw: True if we faulted at stage 2 while doing a stage 1 page-table walk
@ -496,16 +528,169 @@ static inline void arm_clear_exclusive(CPUARMState *env)
*/
typedef struct ARMMMUFaultInfo ARMMMUFaultInfo;
struct ARMMMUFaultInfo {
ARMFaultType type;
target_ulong s2addr;
int level;
int domain;
bool stage2;
bool s1ptw;
bool ea;
};
/**
* arm_fi_to_sfsc: Convert fault info struct to short-format FSC
* Compare pseudocode EncodeSDFSC(), though unlike that function
* we set up a whole FSR-format code including domain field and
* putting the high bit of the FSC into bit 10.
*/
static inline uint32_t arm_fi_to_sfsc(ARMMMUFaultInfo *fi)
{
uint32_t fsc;
switch (fi->type) {
case ARMFault_None:
return 0;
case ARMFault_AccessFlag:
fsc = fi->level == 1 ? 0x3 : 0x6;
break;
case ARMFault_Alignment:
fsc = 0x1;
break;
case ARMFault_Permission:
fsc = fi->level == 1 ? 0xd : 0xf;
break;
case ARMFault_Domain:
fsc = fi->level == 1 ? 0x9 : 0xb;
break;
case ARMFault_Translation:
fsc = fi->level == 1 ? 0x5 : 0x7;
break;
case ARMFault_SyncExternal:
fsc = 0x8 | (fi->ea << 12);
break;
case ARMFault_SyncExternalOnWalk:
fsc = fi->level == 1 ? 0xc : 0xe;
fsc |= (fi->ea << 12);
break;
case ARMFault_SyncParity:
fsc = 0x409;
break;
case ARMFault_SyncParityOnWalk:
fsc = fi->level == 1 ? 0x40c : 0x40e;
break;
case ARMFault_AsyncParity:
fsc = 0x408;
break;
case ARMFault_AsyncExternal:
fsc = 0x406 | (fi->ea << 12);
break;
case ARMFault_Debug:
fsc = 0x2;
break;
case ARMFault_TLBConflict:
fsc = 0x400;
break;
case ARMFault_Lockdown:
fsc = 0x404;
break;
case ARMFault_Exclusive:
fsc = 0x405;
break;
case ARMFault_ICacheMaint:
fsc = 0x4;
break;
case ARMFault_Background:
fsc = 0x0;
break;
case ARMFault_QEMU_NSCExec:
fsc = M_FAKE_FSR_NSC_EXEC;
break;
case ARMFault_QEMU_SFault:
fsc = M_FAKE_FSR_SFAULT;
break;
default:
/* Other faults can't occur in a context that requires a
* short-format status code.
*/
g_assert_not_reached();
}
fsc |= (fi->domain << 4);
return fsc;
}
/**
* arm_fi_to_lfsc: Convert fault info struct to long-format FSC
* Compare pseudocode EncodeLDFSC(), though unlike that function
* we fill in also the LPAE bit 9 of a DFSR format.
*/
static inline uint32_t arm_fi_to_lfsc(ARMMMUFaultInfo *fi)
{
uint32_t fsc;
switch (fi->type) {
case ARMFault_None:
return 0;
case ARMFault_AddressSize:
fsc = fi->level & 3;
break;
case ARMFault_AccessFlag:
fsc = (fi->level & 3) | (0x2 << 2);
break;
case ARMFault_Permission:
fsc = (fi->level & 3) | (0x3 << 2);
break;
case ARMFault_Translation:
fsc = (fi->level & 3) | (0x1 << 2);
break;
case ARMFault_SyncExternal:
fsc = 0x10 | (fi->ea << 12);
break;
case ARMFault_SyncExternalOnWalk:
fsc = (fi->level & 3) | (0x5 << 2) | (fi->ea << 12);
break;
case ARMFault_SyncParity:
fsc = 0x18;
break;
case ARMFault_SyncParityOnWalk:
fsc = (fi->level & 3) | (0x7 << 2);
break;
case ARMFault_AsyncParity:
fsc = 0x19;
break;
case ARMFault_AsyncExternal:
fsc = 0x11 | (fi->ea << 12);
break;
case ARMFault_Alignment:
fsc = 0x21;
break;
case ARMFault_Debug:
fsc = 0x22;
break;
case ARMFault_TLBConflict:
fsc = 0x30;
break;
case ARMFault_Lockdown:
fsc = 0x34;
break;
case ARMFault_Exclusive:
fsc = 0x35;
break;
default:
/* Other faults can't occur in a context that requires a
* long-format status code.
*/
g_assert_not_reached();
}
fsc |= 1 << 9;
return fsc;
}
/* Do a page table walk and add page to TLB if possible */
bool arm_tlb_fill(CPUState *cpu, vaddr address,
MMUAccessType access_type, int mmu_idx,
uint32_t *fsr, ARMMMUFaultInfo *fi);
ARMMMUFaultInfo *fi);
/* Return true if the stage 1 translation regime is using LPAE format page
* tables */
@ -544,15 +729,17 @@ static inline bool regime_is_secure(CPUARMState *env, ARMMMUIdx mmu_idx)
case ARMMMUIdx_S1NSE1:
case ARMMMUIdx_S1E2:
case ARMMMUIdx_S2NS:
case ARMMMUIdx_MPrivNegPri:
case ARMMMUIdx_MUserNegPri:
case ARMMMUIdx_MPriv:
case ARMMMUIdx_MNegPri:
case ARMMMUIdx_MUser:
return false;
case ARMMMUIdx_S1E3:
case ARMMMUIdx_S1SE0:
case ARMMMUIdx_S1SE1:
case ARMMMUIdx_MSPrivNegPri:
case ARMMMUIdx_MSUserNegPri:
case ARMMMUIdx_MSPriv:
case ARMMMUIdx_MSNegPri:
case ARMMMUIdx_MSUser:
return true;
default:

82
target/arm/op_helper.c
View File

@ -116,12 +116,13 @@ static inline uint32_t merge_syn_data_abort(uint32_t template_syn,
}
static void deliver_fault(ARMCPU *cpu, vaddr addr, MMUAccessType access_type,
uint32_t fsr, uint32_t fsc, ARMMMUFaultInfo *fi)
int mmu_idx, ARMMMUFaultInfo *fi)
{
CPUARMState *env = &cpu->env;
int target_el;
bool same_el;
uint32_t syn, exc;
uint32_t syn, exc, fsr, fsc;
ARMMMUIdx arm_mmu_idx = core_to_arm_mmu_idx(env, mmu_idx);
target_el = exception_target_el(env);
if (fi->stage2) {
@ -130,14 +131,21 @@ static void deliver_fault(ARMCPU *cpu, vaddr addr, MMUAccessType access_type,
}
same_el = (arm_current_el(env) == target_el);
if (fsc == 0x3f) {
/* Caller doesn't have a long-format fault status code. This
* should only happen if this fault will never actually be reported
* to an EL that uses a syndrome register. Check that here.
* 0x3f is a (currently) reserved FSC code, in case the constructed
* syndrome does leak into the guest somehow.
if (target_el == 2 || arm_el_is_aa64(env, target_el) ||
arm_s1_regime_using_lpae_format(env, arm_mmu_idx)) {
/* LPAE format fault status register : bottom 6 bits are
* status code in the same form as needed for syndrome
*/
assert(target_el != 2 && !arm_el_is_aa64(env, target_el));
fsr = arm_fi_to_lfsc(fi);
fsc = extract32(fsr, 0, 6);
} else {
fsr = arm_fi_to_sfsc(fi);
/* Short format FSR : this fault will never actually be reported
* to an EL that uses a syndrome register. Use a (currently)
* reserved FSR code in case the constructed syndrome does leak
* into the guest somehow.
*/
fsc = 0x3f;
}
if (access_type == MMU_INST_FETCH) {
@ -168,35 +176,18 @@ void tlb_fill(CPUState *cs, target_ulong addr, MMUAccessType access_type,
int mmu_idx, uintptr_t retaddr)
{
bool ret;
uint32_t fsr = 0;
ARMMMUFaultInfo fi = {};
ret = arm_tlb_fill(cs, addr, access_type, mmu_idx, &fsr, &fi);
ret = arm_tlb_fill(cs, addr, access_type, mmu_idx, &fi);
if (unlikely(ret)) {
ARMCPU *cpu = ARM_CPU(cs);
uint32_t fsc;
if (retaddr) {
/* now we have a real cpu fault */
cpu_restore_state(cs, retaddr);
}
if (fsr & (1 << 9)) {
/* LPAE format fault status register : bottom 6 bits are
* status code in the same form as needed for syndrome
*/
fsc = extract32(fsr, 0, 6);
} else {
/* Short format FSR : this fault will never actually be reported
* to an EL that uses a syndrome register. Use a (currently)
* reserved FSR code in case the constructed syndrome does leak
* into the guest somehow. deliver_fault will assert that
* we don't target an EL using the syndrome.
*/
fsc = 0x3f;
}
deliver_fault(cpu, addr, access_type, fsr, fsc, &fi);
deliver_fault(cpu, addr, access_type, mmu_idx, &fi);
}
}
@ -206,27 +197,15 @@ void arm_cpu_do_unaligned_access(CPUState *cs, vaddr vaddr,
int mmu_idx, uintptr_t retaddr)
{
ARMCPU *cpu = ARM_CPU(cs);
CPUARMState *env = &cpu->env;
uint32_t fsr, fsc;
ARMMMUFaultInfo fi = {};
ARMMMUIdx arm_mmu_idx = core_to_arm_mmu_idx(env, mmu_idx);
if (retaddr) {
/* now we have a real cpu fault */
cpu_restore_state(cs, retaddr);
}
/* the DFSR for an alignment fault depends on whether we're using
* the LPAE long descriptor format, or the short descriptor format
*/
if (arm_s1_regime_using_lpae_format(env, arm_mmu_idx)) {
fsr = (1 << 9) | 0x21;
} else {
fsr = 0x1;
}
fsc = 0x21;
deliver_fault(cpu, vaddr, access_type, fsr, fsc, &fi);
fi.type = ARMFault_Alignment;
deliver_fault(cpu, vaddr, access_type, mmu_idx, &fi);
}
/* arm_cpu_do_transaction_failed: handle a memory system error response
@ -240,10 +219,7 @@ void arm_cpu_do_transaction_failed(CPUState *cs, hwaddr physaddr,
MemTxResult response, uintptr_t retaddr)
{
ARMCPU *cpu = ARM_CPU(cs);
CPUARMState *env = &cpu->env;
uint32_t fsr, fsc;
ARMMMUFaultInfo fi = {};
ARMMMUIdx arm_mmu_idx = core_to_arm_mmu_idx(env, mmu_idx);
if (retaddr) {
/* now we have a real cpu fault */
@ -256,20 +232,8 @@ void arm_cpu_do_transaction_failed(CPUState *cs, hwaddr physaddr,
* Slave error (1); in QEMU we follow that.
*/
fi.ea = (response != MEMTX_DECODE_ERROR);
/* The fault status register format depends on whether we're using
* the LPAE long descriptor format, or the short descriptor format.
*/
if (arm_s1_regime_using_lpae_format(env, arm_mmu_idx)) {
/* long descriptor form, STATUS 0b010000: synchronous ext abort */
fsr = (fi.ea << 12) | (1 << 9) | 0x10;
} else {
/* short descriptor form, FSR 0b01000 : synchronous ext abort */
fsr = (fi.ea << 12) | 0x8;
}
fsc = 0x10;
deliver_fault(cpu, addr, access_type, fsr, fsc, &fi);
fi.type = ARMFault_SyncExternal;
deliver_fault(cpu, addr, access_type, mmu_idx, &fi);
}
#endif /* !defined(CONFIG_USER_ONLY) */

37
target/arm/translate.c
View File

@ -159,12 +159,16 @@ static inline int get_a32_user_mem_index(DisasContext *s)
return arm_to_core_mmu_idx(ARMMMUIdx_S1SE0);
case ARMMMUIdx_MUser:
case ARMMMUIdx_MPriv:
case ARMMMUIdx_MNegPri:
return arm_to_core_mmu_idx(ARMMMUIdx_MUser);
case ARMMMUIdx_MUserNegPri:
case ARMMMUIdx_MPrivNegPri:
return arm_to_core_mmu_idx(ARMMMUIdx_MUserNegPri);
case ARMMMUIdx_MSUser:
case ARMMMUIdx_MSPriv:
case ARMMMUIdx_MSNegPri:
return arm_to_core_mmu_idx(ARMMMUIdx_MSUser);
case ARMMMUIdx_MSUserNegPri:
case ARMMMUIdx_MSPrivNegPri:
return arm_to_core_mmu_idx(ARMMMUIdx_MSUserNegPri);
case ARMMMUIdx_S2NS:
default:
g_assert_not_reached();
@ -9806,7 +9810,7 @@ static int disas_thumb2_insn(DisasContext *s, uint32_t insn)
if (insn & (1 << 22)) {
/* 0b1110_100x_x1xx_xxxx_xxxx_xxxx_xxxx_xxxx
* - load/store doubleword, load/store exclusive, ldacq/strel,
* table branch.
* table branch, TT.
*/
if (insn == 0xe97fe97f && arm_dc_feature(s, ARM_FEATURE_M) &&
arm_dc_feature(s, ARM_FEATURE_V8)) {
@ -9883,8 +9887,35 @@ static int disas_thumb2_insn(DisasContext *s, uint32_t insn)
} else if ((insn & (1 << 23)) == 0) {
/* 0b1110_1000_010x_xxxx_xxxx_xxxx_xxxx_xxxx
* - load/store exclusive word
* - TT (v8M only)
*/
if (rs == 15) {
if (!(insn & (1 << 20)) &&
arm_dc_feature(s, ARM_FEATURE_M) &&
arm_dc_feature(s, ARM_FEATURE_V8)) {
/* 0b1110_1000_0100_xxxx_1111_xxxx_xxxx_xxxx
* - TT (v8M only)
*/
bool alt = insn & (1 << 7);
TCGv_i32 addr, op, ttresp;
if ((insn & 0x3f) || rd == 13 || rd == 15 || rn == 15) {
/* we UNDEF for these UNPREDICTABLE cases */
goto illegal_op;
}
if (alt && !s->v8m_secure) {
goto illegal_op;
}
addr = load_reg(s, rn);
op = tcg_const_i32(extract32(insn, 6, 2));
ttresp = tcg_temp_new_i32();
gen_helper_v7m_tt(ttresp, cpu_env, addr, op);
tcg_temp_free_i32(addr);
tcg_temp_free_i32(op);
store_reg(s, rd, ttresp);
}
goto illegal_op;
}
addr = tcg_temp_local_new_i32();