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ppc4xx_pci: convert to memory API

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Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Avi Kivity 2011-11-20 11:44:37 +02:00
parent d09510b276
commit da726e5e06
1 changed files with 26 additions and 42 deletions
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68
hw/ppc4xx_pci.c
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@ -54,6 +54,8 @@ struct PPC4xxPCIState {
PCIHostState pci_state;
PCIDevice *pci_dev;
MemoryRegion iomem_addr;
MemoryRegion iomem_regs;
};
typedef struct PPC4xxPCIState PPC4xxPCIState;
@ -84,35 +86,30 @@ typedef struct PPC4xxPCIState PPC4xxPCIState;
#define PCI_REG_SIZE 0x40
static uint32_t pci4xx_cfgaddr_readl(void *opaque, target_phys_addr_t addr)
static uint64_t pci4xx_cfgaddr_read(void *opaque, target_phys_addr_t addr,
unsigned size)
{
PPC4xxPCIState *ppc4xx_pci = opaque;
return ppc4xx_pci->pci_state.config_reg;
}
static CPUReadMemoryFunc * const pci4xx_cfgaddr_read[] = {
&pci4xx_cfgaddr_readl,
&pci4xx_cfgaddr_readl,
&pci4xx_cfgaddr_readl,
};
static void pci4xx_cfgaddr_writel(void *opaque, target_phys_addr_t addr,
uint32_t value)
static void pci4xx_cfgaddr_write(void *opaque, target_phys_addr_t addr,
uint64_t value, unsigned size)
{
PPC4xxPCIState *ppc4xx_pci = opaque;
ppc4xx_pci->pci_state.config_reg = value & ~0x3;
}
static CPUWriteMemoryFunc * const pci4xx_cfgaddr_write[] = {
&pci4xx_cfgaddr_writel,
&pci4xx_cfgaddr_writel,
&pci4xx_cfgaddr_writel,
static const MemoryRegionOps pci4xx_cfgaddr_ops = {
.read = pci4xx_cfgaddr_read,
.write = pci4xx_cfgaddr_write,
.endianness = DEVICE_LITTLE_ENDIAN,
};
static void ppc4xx_pci_reg_write4(void *opaque, target_phys_addr_t offset,
uint32_t value)
uint64_t value, unsigned size)
{
struct PPC4xxPCIState *pci = opaque;
@ -179,7 +176,8 @@ static void ppc4xx_pci_reg_write4(void *opaque, target_phys_addr_t offset,
}
}
static uint32_t ppc4xx_pci_reg_read4(void *opaque, target_phys_addr_t offset)
static uint64_t ppc4xx_pci_reg_read4(void *opaque, target_phys_addr_t offset,
unsigned size)
{
struct PPC4xxPCIState *pci = opaque;
uint32_t value;
@ -246,16 +244,10 @@ static uint32_t ppc4xx_pci_reg_read4(void *opaque, target_phys_addr_t offset)
return value;
}
static CPUReadMemoryFunc * const pci_reg_read[] = {
&ppc4xx_pci_reg_read4,
&ppc4xx_pci_reg_read4,
&ppc4xx_pci_reg_read4,
};
static CPUWriteMemoryFunc * const pci_reg_write[] = {
&ppc4xx_pci_reg_write4,
&ppc4xx_pci_reg_write4,
&ppc4xx_pci_reg_write4,
static const MemoryRegionOps pci_reg_ops = {
.read = ppc4xx_pci_reg_read4,
.write = ppc4xx_pci_reg_write4,
.endianness = DEVICE_LITTLE_ENDIAN,
};
static void ppc4xx_pci_reset(void *opaque)
@ -337,7 +329,6 @@ PCIBus *ppc4xx_pci_init(CPUState *env, qemu_irq pci_irqs[4],
target_phys_addr_t registers)
{
PPC4xxPCIState *controller;
int index;
static int ppc4xx_pci_id;
uint8_t *pci_conf;
@ -360,12 +351,11 @@ PCIBus *ppc4xx_pci_init(CPUState *env, qemu_irq pci_irqs[4],
pci_config_set_class(pci_conf, PCI_CLASS_BRIDGE_OTHER);
/* CFGADDR */
index = cpu_register_io_memory(pci4xx_cfgaddr_read,
pci4xx_cfgaddr_write, controller,
DEVICE_LITTLE_ENDIAN);
if (index < 0)
goto free;
cpu_register_physical_memory(config_space + PCIC0_CFGADDR, 4, index);
memory_region_init_io(&controller->iomem_addr, &pci4xx_cfgaddr_ops,
controller, "pci.cfgaddr", 4);
memory_region_add_subregion(get_system_memory(),
config_space + PCIC0_CFGADDR,
&controller->iomem_addr);
/* CFGDATA */
memory_region_init_io(&controller->pci_state.data_mem,
@ -376,11 +366,10 @@ PCIBus *ppc4xx_pci_init(CPUState *env, qemu_irq pci_irqs[4],
&controller->pci_state.data_mem);
/* Internal registers */
index = cpu_register_io_memory(pci_reg_read, pci_reg_write, controller,
DEVICE_LITTLE_ENDIAN);
if (index < 0)
goto free;
cpu_register_physical_memory(registers, PCI_REG_SIZE, index);
memory_region_init_io(&controller->iomem_regs, &pci_reg_ops, controller,
"pci.regs", PCI_REG_SIZE);
memory_region_add_subregion(get_system_memory(), registers,
&controller->iomem_regs);
qemu_register_reset(ppc4xx_pci_reset, controller);
@ -389,9 +378,4 @@ PCIBus *ppc4xx_pci_init(CPUState *env, qemu_irq pci_irqs[4],
&vmstate_ppc4xx_pci, controller);
return controller->pci_state.bus;
free:
printf("%s error\n", __func__);
g_free(controller);
return NULL;
}