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target/xtensa: rearrange access to external interrupts 

Replace xtensa_get_extint that returns single external IRQ descriptor
with xtensa_get_extints that returns a vector of all external IRQs.

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
master
Max Filippov 2019-01-26 04:12:30 -08:00
parent 3f75038a33
commit 66f03d7e13
3 changed files with 20 additions and 19 deletions
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26
hw/xtensa/pic_cpu.c
View File

@ -88,11 +88,11 @@ static void xtensa_ccompare_cb(void *opaque)
void xtensa_irq_init(CPUXtensaState *env)
{
env->irq_inputs = (void **)qemu_allocate_irqs(
xtensa_set_irq, env, env->config->ninterrupt);
if (xtensa_option_enabled(env->config, XTENSA_OPTION_TIMER_INTERRUPT)) {
unsigned i;
unsigned i;
env->irq_inputs = qemu_allocate_irqs(xtensa_set_irq, env,
env->config->ninterrupt);
if (xtensa_option_enabled(env->config, XTENSA_OPTION_TIMER_INTERRUPT)) {
env->time_base = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
env->ccount_base = env->sregs[CCOUNT];
for (i = 0; i < env->config->nccompare; ++i) {
@ -101,16 +101,14 @@ void xtensa_irq_init(CPUXtensaState *env)
xtensa_ccompare_cb, env->ccompare + i);
}
}
}
for (i = 0; i < env->config->nextint; ++i) {
unsigned irq = env->config->extint[i];
void *xtensa_get_extint(CPUXtensaState *env, unsigned extint)
{
if (extint < env->config->nextint) {
unsigned irq = env->config->extint[extint];
return env->irq_inputs[irq];
} else {
qemu_log("%s: trying to acquire invalid external interrupt %d\n",
__func__, extint);
return NULL;
env->ext_irq_inputs[i] = env->irq_inputs[irq];
}
}
qemu_irq *xtensa_get_extints(CPUXtensaState *env)
{
return env->ext_irq_inputs;
}

8
hw/xtensa/xtfpga.c
View File

@ -225,6 +225,7 @@ static void xtfpga_init(const XtfpgaBoardDesc *board, MachineState *machine)
XtensaCPU *cpu = NULL;
CPUXtensaState *env = NULL;
MemoryRegion *system_io;
qemu_irq *extints;
DriveInfo *dinfo;
pflash_t *flash = NULL;
QemuOpts *machine_opts = qemu_get_machine_opts();
@ -253,6 +254,7 @@ static void xtfpga_init(const XtfpgaBoardDesc *board, MachineState *machine)
*/
cpu_reset(CPU(cpu));
}
extints = xtensa_get_extints(env);
if (env) {
XtensaMemory sysram = env->config->sysram;
@ -284,11 +286,11 @@ static void xtfpga_init(const XtfpgaBoardDesc *board, MachineState *machine)
xtfpga_fpga_init(system_io, 0x0d020000, freq);
if (nd_table[0].used) {
xtfpga_net_init(system_io, 0x0d030000, 0x0d030400, 0x0d800000,
xtensa_get_extint(env, 1), nd_table);
extints[1], nd_table);
}
serial_mm_init(system_io, 0x0d050020, 2, xtensa_get_extint(env, 0),
115200, serial_hd(0), DEVICE_NATIVE_ENDIAN);
serial_mm_init(system_io, 0x0d050020, 2, extints[0],
115200, serial_hd(0), DEVICE_NATIVE_ENDIAN);
dinfo = drive_get(IF_PFLASH, 0, 0);
if (dinfo) {

5
target/xtensa/cpu.h
View File

@ -483,7 +483,8 @@ typedef struct CPUXtensaState {
AddressSpace *address_space_er;
MemoryRegion *system_er;
int pending_irq_level; /* level of last raised IRQ */
void **irq_inputs;
qemu_irq *irq_inputs;
qemu_irq ext_irq_inputs[MAX_NINTERRUPT];
XtensaCcompareTimer ccompare[MAX_NCCOMPARE];
uint64_t time_base;
uint64_t ccount_time;
@ -569,7 +570,7 @@ void xtensa_register_core(XtensaConfigList *node);
void xtensa_sim_open_console(Chardev *chr);
void check_interrupts(CPUXtensaState *s);
void xtensa_irq_init(CPUXtensaState *env);
void *xtensa_get_extint(CPUXtensaState *env, unsigned extint);
qemu_irq *xtensa_get_extints(CPUXtensaState *env);
int cpu_xtensa_signal_handler(int host_signum, void *pinfo, void *puc);
void xtensa_cpu_list(FILE *f, fprintf_function cpu_fprintf);
void xtensa_sync_window_from_phys(CPUXtensaState *env);