openpic: Memory API conversion for mpic

This patch converts mpic to the new memory API (through old mmio).

Signed-off-by: Fabien Chouteau <chouteau@adacore.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Fabien Chouteau 2011-08-30 17:46:26 +02:00 committed by Avi Kivity
parent 5a95b51dd8
commit 71cf9e6242
3 changed files with 115 additions and 100 deletions

View File

@ -206,6 +206,10 @@ typedef struct IRQ_dst_t {
typedef struct openpic_t {
PCIDevice pci_dev;
MemoryRegion mem;
/* Sub-regions */
MemoryRegion sub_io_mem[7];
/* Global registers */
uint32_t frep; /* Feature reporting register */
uint32_t glbc; /* Global configuration register */
@ -1537,107 +1541,122 @@ static uint32_t mpic_src_msi_read (void *opaque, target_phys_addr_t addr)
return retval;
}
static CPUWriteMemoryFunc * const mpic_glb_write[] = {
&openpic_buggy_write,
&openpic_buggy_write,
&openpic_gbl_write,
static const MemoryRegionOps mpic_glb_ops = {
.old_mmio = {
.write = { openpic_buggy_write,
openpic_buggy_write,
openpic_gbl_write,
},
.read = { openpic_buggy_read,
openpic_buggy_read,
openpic_gbl_read,
},
},
.endianness = DEVICE_BIG_ENDIAN,
};
static CPUReadMemoryFunc * const mpic_glb_read[] = {
&openpic_buggy_read,
&openpic_buggy_read,
&openpic_gbl_read,
static const MemoryRegionOps mpic_tmr_ops = {
.old_mmio = {
.write = { openpic_buggy_write,
openpic_buggy_write,
mpic_timer_write,
},
.read = { openpic_buggy_read,
openpic_buggy_read,
mpic_timer_read,
},
},
.endianness = DEVICE_BIG_ENDIAN,
};
static CPUWriteMemoryFunc * const mpic_tmr_write[] = {
&openpic_buggy_write,
&openpic_buggy_write,
&mpic_timer_write,
static const MemoryRegionOps mpic_cpu_ops = {
.old_mmio = {
.write = { openpic_buggy_write,
openpic_buggy_write,
openpic_cpu_write,
},
.read = { openpic_buggy_read,
openpic_buggy_read,
openpic_cpu_read,
},
},
.endianness = DEVICE_BIG_ENDIAN,
};
static CPUReadMemoryFunc * const mpic_tmr_read[] = {
&openpic_buggy_read,
&openpic_buggy_read,
&mpic_timer_read,
static const MemoryRegionOps mpic_ext_ops = {
.old_mmio = {
.write = { openpic_buggy_write,
openpic_buggy_write,
mpic_src_ext_write,
},
.read = { openpic_buggy_read,
openpic_buggy_read,
mpic_src_ext_read,
},
},
.endianness = DEVICE_BIG_ENDIAN,
};
static CPUWriteMemoryFunc * const mpic_cpu_write[] = {
&openpic_buggy_write,
&openpic_buggy_write,
&openpic_cpu_write,
static const MemoryRegionOps mpic_int_ops = {
.old_mmio = {
.write = { openpic_buggy_write,
openpic_buggy_write,
mpic_src_int_write,
},
.read = { openpic_buggy_read,
openpic_buggy_read,
mpic_src_int_read,
},
},
.endianness = DEVICE_BIG_ENDIAN,
};
static CPUReadMemoryFunc * const mpic_cpu_read[] = {
&openpic_buggy_read,
&openpic_buggy_read,
&openpic_cpu_read,
static const MemoryRegionOps mpic_msg_ops = {
.old_mmio = {
.write = { openpic_buggy_write,
openpic_buggy_write,
mpic_src_msg_write,
},
.read = { openpic_buggy_read,
openpic_buggy_read,
mpic_src_msg_read,
},
},
.endianness = DEVICE_BIG_ENDIAN,
};
static CPUWriteMemoryFunc * const mpic_ext_write[] = {
&openpic_buggy_write,
&openpic_buggy_write,
&mpic_src_ext_write,
static const MemoryRegionOps mpic_msi_ops = {
.old_mmio = {
.write = { openpic_buggy_write,
openpic_buggy_write,
mpic_src_msi_write,
},
.read = { openpic_buggy_read,
openpic_buggy_read,
mpic_src_msi_read,
},
},
.endianness = DEVICE_BIG_ENDIAN,
};
static CPUReadMemoryFunc * const mpic_ext_read[] = {
&openpic_buggy_read,
&openpic_buggy_read,
&mpic_src_ext_read,
};
static CPUWriteMemoryFunc * const mpic_int_write[] = {
&openpic_buggy_write,
&openpic_buggy_write,
&mpic_src_int_write,
};
static CPUReadMemoryFunc * const mpic_int_read[] = {
&openpic_buggy_read,
&openpic_buggy_read,
&mpic_src_int_read,
};
static CPUWriteMemoryFunc * const mpic_msg_write[] = {
&openpic_buggy_write,
&openpic_buggy_write,
&mpic_src_msg_write,
};
static CPUReadMemoryFunc * const mpic_msg_read[] = {
&openpic_buggy_read,
&openpic_buggy_read,
&mpic_src_msg_read,
};
static CPUWriteMemoryFunc * const mpic_msi_write[] = {
&openpic_buggy_write,
&openpic_buggy_write,
&mpic_src_msi_write,
};
static CPUReadMemoryFunc * const mpic_msi_read[] = {
&openpic_buggy_read,
&openpic_buggy_read,
&mpic_src_msi_read,
};
qemu_irq *mpic_init (target_phys_addr_t base, int nb_cpus,
qemu_irq **irqs, qemu_irq irq_out)
qemu_irq *mpic_init (MemoryRegion *address_space, target_phys_addr_t base,
int nb_cpus, qemu_irq **irqs, qemu_irq irq_out)
{
openpic_t *mpp;
int i;
openpic_t *mpp;
int i;
struct {
CPUReadMemoryFunc * const *read;
CPUWriteMemoryFunc * const *write;
target_phys_addr_t start_addr;
ram_addr_t size;
const char *name;
MemoryRegionOps const *ops;
target_phys_addr_t start_addr;
ram_addr_t size;
} const list[] = {
{mpic_glb_read, mpic_glb_write, MPIC_GLB_REG_START, MPIC_GLB_REG_SIZE},
{mpic_tmr_read, mpic_tmr_write, MPIC_TMR_REG_START, MPIC_TMR_REG_SIZE},
{mpic_ext_read, mpic_ext_write, MPIC_EXT_REG_START, MPIC_EXT_REG_SIZE},
{mpic_int_read, mpic_int_write, MPIC_INT_REG_START, MPIC_INT_REG_SIZE},
{mpic_msg_read, mpic_msg_write, MPIC_MSG_REG_START, MPIC_MSG_REG_SIZE},
{mpic_msi_read, mpic_msi_write, MPIC_MSI_REG_START, MPIC_MSI_REG_SIZE},
{mpic_cpu_read, mpic_cpu_write, MPIC_CPU_REG_START, MPIC_CPU_REG_SIZE},
{"glb", &mpic_glb_ops, MPIC_GLB_REG_START, MPIC_GLB_REG_SIZE},
{"tmr", &mpic_tmr_ops, MPIC_TMR_REG_START, MPIC_TMR_REG_SIZE},
{"ext", &mpic_ext_ops, MPIC_EXT_REG_START, MPIC_EXT_REG_SIZE},
{"int", &mpic_int_ops, MPIC_INT_REG_START, MPIC_INT_REG_SIZE},
{"msg", &mpic_msg_ops, MPIC_MSG_REG_START, MPIC_MSG_REG_SIZE},
{"msi", &mpic_msi_ops, MPIC_MSI_REG_START, MPIC_MSI_REG_SIZE},
{"cpu", &mpic_cpu_ops, MPIC_CPU_REG_START, MPIC_CPU_REG_SIZE},
};
/* XXX: for now, only one CPU is supported */
@ -1646,16 +1665,16 @@ qemu_irq *mpic_init (target_phys_addr_t base, int nb_cpus,
mpp = g_malloc0(sizeof(openpic_t));
for (i = 0; i < sizeof(list)/sizeof(list[0]); i++) {
int mem_index;
memory_region_init(&mpp->mem, "mpic", 0x40000);
memory_region_add_subregion(address_space, base, &mpp->mem);
mem_index = cpu_register_io_memory(list[i].read, list[i].write, mpp,
DEVICE_BIG_ENDIAN);
if (mem_index < 0) {
goto free;
}
cpu_register_physical_memory(base + list[i].start_addr,
list[i].size, mem_index);
for (i = 0; i < sizeof(list)/sizeof(list[0]); i++) {
memory_region_init_io(&mpp->sub_io_mem[i], list[i].ops, mpp,
list[i].name, list[i].size);
memory_region_add_subregion(&mpp->mem, list[i].start_addr,
&mpp->sub_io_mem[i]);
}
mpp->nb_cpus = nb_cpus;
@ -1674,8 +1693,4 @@ qemu_irq *mpic_init (target_phys_addr_t base, int nb_cpus,
qemu_register_reset(mpic_reset, mpp);
return qemu_allocate_irqs(openpic_set_irq, mpp, mpp->max_irq);
free:
g_free(mpp);
return NULL;
}

View File

@ -13,6 +13,6 @@ enum {
qemu_irq *openpic_init (PCIBus *bus, MemoryRegion **pmem, int nb_cpus,
qemu_irq **irqs, qemu_irq irq_out);
qemu_irq *mpic_init (target_phys_addr_t base, int nb_cpus,
qemu_irq **irqs, qemu_irq irq_out);
qemu_irq *mpic_init (MemoryRegion *address_space, target_phys_addr_t base,
int nb_cpus, qemu_irq **irqs, qemu_irq irq_out);
#endif /* __OPENPIC_H__ */

View File

@ -272,7 +272,7 @@ static void mpc8544ds_init(ram_addr_t ram_size,
irqs = g_malloc0(sizeof(qemu_irq) * OPENPIC_OUTPUT_NB);
irqs[OPENPIC_OUTPUT_INT] = ((qemu_irq *)env->irq_inputs)[PPCE500_INPUT_INT];
irqs[OPENPIC_OUTPUT_CINT] = ((qemu_irq *)env->irq_inputs)[PPCE500_INPUT_CINT];
mpic = mpic_init(MPC8544_MPIC_REGS_BASE, 1, &irqs, NULL);
mpic = mpic_init(address_space_mem, MPC8544_MPIC_REGS_BASE, 1, &irqs, NULL);
/* Serial */
if (serial_hds[0]) {