hw/ppc/ppc405_uc: Convert away from old_mmio

Convert the devices in ppc405_uc away from using the old_mmio
MemoryRegion accessors:

 * opba's 32-bit and 16-bit accessors were just calling the
   8-bit accessors and assembling a big-endian order number,
   which we can do by setting the .impl.max_access_size to 1
   and the endianness to DEVICE_BIG_ENDIAN, and letting the
   core memory code do the assembly
 * ppc405_gpio's accessors were all just stubs
 * ppc4xx_gpt's 8-bit and 16-bit accessors were treating the
   access as invalid, which we can do by setting the
   .valid.min_access_size and .valid.max_access_size fields

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
master
Peter Maydell 2018-08-02 15:44:30 +01:00 committed by David Gibson
parent 878a460704
commit 69bd18f843
1 changed files with 25 additions and 148 deletions

View File

@ -283,7 +283,7 @@ struct ppc4xx_opba_t {
uint8_t pr;
};
static uint32_t opba_readb (void *opaque, hwaddr addr)
static uint64_t opba_readb(void *opaque, hwaddr addr, unsigned size)
{
ppc4xx_opba_t *opba;
uint32_t ret;
@ -307,8 +307,8 @@ static uint32_t opba_readb (void *opaque, hwaddr addr)
return ret;
}
static void opba_writeb (void *opaque,
hwaddr addr, uint32_t value)
static void opba_writeb(void *opaque, hwaddr addr, uint64_t value,
unsigned size)
{
ppc4xx_opba_t *opba;
@ -328,61 +328,14 @@ static void opba_writeb (void *opaque,
break;
}
}
static uint32_t opba_readw (void *opaque, hwaddr addr)
{
uint32_t ret;
#ifdef DEBUG_OPBA
printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
#endif
ret = opba_readb(opaque, addr) << 8;
ret |= opba_readb(opaque, addr + 1);
return ret;
}
static void opba_writew (void *opaque,
hwaddr addr, uint32_t value)
{
#ifdef DEBUG_OPBA
printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
value);
#endif
opba_writeb(opaque, addr, value >> 8);
opba_writeb(opaque, addr + 1, value);
}
static uint32_t opba_readl (void *opaque, hwaddr addr)
{
uint32_t ret;
#ifdef DEBUG_OPBA
printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
#endif
ret = opba_readb(opaque, addr) << 24;
ret |= opba_readb(opaque, addr + 1) << 16;
return ret;
}
static void opba_writel (void *opaque,
hwaddr addr, uint32_t value)
{
#ifdef DEBUG_OPBA
printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
value);
#endif
opba_writeb(opaque, addr, value >> 24);
opba_writeb(opaque, addr + 1, value >> 16);
}
static const MemoryRegionOps opba_ops = {
.old_mmio = {
.read = { opba_readb, opba_readw, opba_readl, },
.write = { opba_writeb, opba_writew, opba_writel, },
},
.endianness = DEVICE_NATIVE_ENDIAN,
.read = opba_readb,
.write = opba_writeb,
.impl.min_access_size = 1,
.impl.max_access_size = 1,
.valid.min_access_size = 1,
.valid.max_access_size = 4,
.endianness = DEVICE_BIG_ENDIAN,
};
static void ppc4xx_opba_reset (void *opaque)
@ -750,65 +703,27 @@ struct ppc405_gpio_t {
uint32_t isr1l;
};
static uint32_t ppc405_gpio_readb (void *opaque, hwaddr addr)
static uint64_t ppc405_gpio_read(void *opaque, hwaddr addr, unsigned size)
{
#ifdef DEBUG_GPIO
printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
printf("%s: addr " TARGET_FMT_plx " size %d\n", __func__, addr, size);
#endif
return 0;
}
static void ppc405_gpio_writeb (void *opaque,
hwaddr addr, uint32_t value)
static void ppc405_gpio_write(void *opaque, hwaddr addr, uint64_t value,
unsigned size)
{
#ifdef DEBUG_GPIO
printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
value);
#endif
}
static uint32_t ppc405_gpio_readw (void *opaque, hwaddr addr)
{
#ifdef DEBUG_GPIO
printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
#endif
return 0;
}
static void ppc405_gpio_writew (void *opaque,
hwaddr addr, uint32_t value)
{
#ifdef DEBUG_GPIO
printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
value);
#endif
}
static uint32_t ppc405_gpio_readl (void *opaque, hwaddr addr)
{
#ifdef DEBUG_GPIO
printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
#endif
return 0;
}
static void ppc405_gpio_writel (void *opaque,
hwaddr addr, uint32_t value)
{
#ifdef DEBUG_GPIO
printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
value);
printf("%s: addr " TARGET_FMT_plx " size %d val %08" PRIx32 "\n",
__func__, addr, size, value);
#endif
}
static const MemoryRegionOps ppc405_gpio_ops = {
.old_mmio = {
.read = { ppc405_gpio_readb, ppc405_gpio_readw, ppc405_gpio_readl, },
.write = { ppc405_gpio_writeb, ppc405_gpio_writew, ppc405_gpio_writel, },
},
.read = ppc405_gpio_read,
.write = ppc405_gpio_write,
.endianness = DEVICE_NATIVE_ENDIAN,
};
@ -1017,44 +932,6 @@ struct ppc4xx_gpt_t {
uint32_t mask[5];
};
static uint32_t ppc4xx_gpt_readb (void *opaque, hwaddr addr)
{
#ifdef DEBUG_GPT
printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
#endif
/* XXX: generate a bus fault */
return -1;
}
static void ppc4xx_gpt_writeb (void *opaque,
hwaddr addr, uint32_t value)
{
#ifdef DEBUG_I2C
printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
value);
#endif
/* XXX: generate a bus fault */
}
static uint32_t ppc4xx_gpt_readw (void *opaque, hwaddr addr)
{
#ifdef DEBUG_GPT
printf("%s: addr " TARGET_FMT_plx "\n", __func__, addr);
#endif
/* XXX: generate a bus fault */
return -1;
}
static void ppc4xx_gpt_writew (void *opaque,
hwaddr addr, uint32_t value)
{
#ifdef DEBUG_I2C
printf("%s: addr " TARGET_FMT_plx " val %08" PRIx32 "\n", __func__, addr,
value);
#endif
/* XXX: generate a bus fault */
}
static int ppc4xx_gpt_compare (ppc4xx_gpt_t *gpt, int n)
{
/* XXX: TODO */
@ -1107,7 +984,7 @@ static void ppc4xx_gpt_compute_timer (ppc4xx_gpt_t *gpt)
/* XXX: TODO */
}
static uint32_t ppc4xx_gpt_readl (void *opaque, hwaddr addr)
static uint64_t ppc4xx_gpt_read(void *opaque, hwaddr addr, unsigned size)
{
ppc4xx_gpt_t *gpt;
uint32_t ret;
@ -1162,8 +1039,8 @@ static uint32_t ppc4xx_gpt_readl (void *opaque, hwaddr addr)
return ret;
}
static void ppc4xx_gpt_writel (void *opaque,
hwaddr addr, uint32_t value)
static void ppc4xx_gpt_write(void *opaque, hwaddr addr, uint64_t value,
unsigned size)
{
ppc4xx_gpt_t *gpt;
int idx;
@ -1225,10 +1102,10 @@ static void ppc4xx_gpt_writel (void *opaque,
}
static const MemoryRegionOps gpt_ops = {
.old_mmio = {
.read = { ppc4xx_gpt_readb, ppc4xx_gpt_readw, ppc4xx_gpt_readl, },
.write = { ppc4xx_gpt_writeb, ppc4xx_gpt_writew, ppc4xx_gpt_writel, },
},
.read = ppc4xx_gpt_read,
.write = ppc4xx_gpt_write,
.valid.min_access_size = 4,
.valid.max_access_size = 4,
.endianness = DEVICE_NATIVE_ENDIAN,
};