aboutsummaryrefslogtreecommitdiff
path: root/hw/sh7750.c
diff options
context:
space:
mode:
Diffstat (limited to 'hw/sh7750.c')
-rw-r--r--hw/sh7750.c155
1 files changed, 88 insertions, 67 deletions
diff --git a/hw/sh7750.c b/hw/sh7750.c
index 9f3ea9285f..4f4d8e7d05 100644
--- a/hw/sh7750.c
+++ b/hw/sh7750.c
@@ -30,10 +30,19 @@
#include "sh7750_regnames.h"
#include "sh_intc.h"
#include "cpu.h"
+#include "exec-memory.h"
#define NB_DEVICES 4
typedef struct SH7750State {
+ MemoryRegion iomem;
+ MemoryRegion iomem_1f0;
+ MemoryRegion iomem_ff0;
+ MemoryRegion iomem_1f8;
+ MemoryRegion iomem_ff8;
+ MemoryRegion iomem_1fc;
+ MemoryRegion iomem_ffc;
+ MemoryRegion mmct_iomem;
/* CPU */
CPUSH4State *cpu;
/* Peripheral frequency in Hz */
@@ -436,16 +445,16 @@ static void sh7750_mem_writel(void *opaque, target_phys_addr_t addr,
}
}
-static CPUReadMemoryFunc * const sh7750_mem_read[] = {
- sh7750_mem_readb,
- sh7750_mem_readw,
- sh7750_mem_readl
-};
-
-static CPUWriteMemoryFunc * const sh7750_mem_write[] = {
- sh7750_mem_writeb,
- sh7750_mem_writew,
- sh7750_mem_writel
+static const MemoryRegionOps sh7750_mem_ops = {
+ .old_mmio = {
+ .read = {sh7750_mem_readb,
+ sh7750_mem_readw,
+ sh7750_mem_readl },
+ .write = {sh7750_mem_writeb,
+ sh7750_mem_writew,
+ sh7750_mem_writel },
+ },
+ .endianness = DEVICE_NATIVE_ENDIAN,
};
/* sh775x interrupt controller tables for sh_intc.c
@@ -615,18 +624,23 @@ static struct intc_group groups_irl[] = {
#define MM_UTLB_DATA (7)
#define MM_REGION_TYPE(addr) ((addr & MM_REGION_MASK) >> 24)
-static uint32_t invalid_read(void *opaque, target_phys_addr_t addr)
+static uint64_t invalid_read(void *opaque, target_phys_addr_t addr)
{
abort();
return 0;
}
-static uint32_t sh7750_mmct_readl(void *opaque, target_phys_addr_t addr)
+static uint64_t sh7750_mmct_read(void *opaque, target_phys_addr_t addr,
+ unsigned size)
{
SH7750State *s = opaque;
uint32_t ret = 0;
+ if (size != 4) {
+ return invalid_read(opaque, addr);
+ }
+
switch (MM_REGION_TYPE(addr)) {
case MM_ICACHE_ADDR:
case MM_ICACHE_DATA:
@@ -656,16 +670,20 @@ static uint32_t sh7750_mmct_readl(void *opaque, target_phys_addr_t addr)
}
static void invalid_write(void *opaque, target_phys_addr_t addr,
- uint32_t mem_value)
+ uint64_t mem_value)
{
abort();
}
-static void sh7750_mmct_writel(void *opaque, target_phys_addr_t addr,
- uint32_t mem_value)
+static void sh7750_mmct_write(void *opaque, target_phys_addr_t addr,
+ uint64_t mem_value, unsigned size)
{
SH7750State *s = opaque;
+ if (size != 4) {
+ invalid_write(opaque, addr, mem_value);
+ }
+
switch (MM_REGION_TYPE(addr)) {
case MM_ICACHE_ADDR:
case MM_ICACHE_DATA:
@@ -694,50 +712,51 @@ static void sh7750_mmct_writel(void *opaque, target_phys_addr_t addr,
}
}
-static CPUReadMemoryFunc * const sh7750_mmct_read[] = {
- invalid_read,
- invalid_read,
- sh7750_mmct_readl
-};
-
-static CPUWriteMemoryFunc * const sh7750_mmct_write[] = {
- invalid_write,
- invalid_write,
- sh7750_mmct_writel
+static const struct MemoryRegionOps sh7750_mmct_ops = {
+ .read = sh7750_mmct_read,
+ .write = sh7750_mmct_write,
+ .endianness = DEVICE_NATIVE_ENDIAN,
};
-SH7750State *sh7750_init(CPUSH4State * cpu)
+SH7750State *sh7750_init(CPUSH4State * cpu, MemoryRegion *sysmem)
{
SH7750State *s;
- int sh7750_io_memory;
- int sh7750_mm_cache_and_tlb; /* memory mapped cache and tlb */
s = g_malloc0(sizeof(SH7750State));
s->cpu = cpu;
s->periph_freq = 60000000; /* 60MHz */
- sh7750_io_memory = cpu_register_io_memory(sh7750_mem_read,
- sh7750_mem_write, s,
- DEVICE_NATIVE_ENDIAN);
- cpu_register_physical_memory_offset(0x1f000000, 0x1000,
- sh7750_io_memory, 0x1f000000);
- cpu_register_physical_memory_offset(0xff000000, 0x1000,
- sh7750_io_memory, 0x1f000000);
- cpu_register_physical_memory_offset(0x1f800000, 0x1000,
- sh7750_io_memory, 0x1f800000);
- cpu_register_physical_memory_offset(0xff800000, 0x1000,
- sh7750_io_memory, 0x1f800000);
- cpu_register_physical_memory_offset(0x1fc00000, 0x1000,
- sh7750_io_memory, 0x1fc00000);
- cpu_register_physical_memory_offset(0xffc00000, 0x1000,
- sh7750_io_memory, 0x1fc00000);
-
- sh7750_mm_cache_and_tlb = cpu_register_io_memory(sh7750_mmct_read,
- sh7750_mmct_write, s,
- DEVICE_NATIVE_ENDIAN);
- cpu_register_physical_memory(0xf0000000, 0x08000000,
- sh7750_mm_cache_and_tlb);
-
- sh_intc_init(&s->intc, NR_SOURCES,
+ memory_region_init_io(&s->iomem, &sh7750_mem_ops, s,
+ "memory", 0x1fc01000);
+
+ memory_region_init_alias(&s->iomem_1f0, "memory-1f0",
+ &s->iomem, 0x1f000000, 0x1000);
+ memory_region_add_subregion(sysmem, 0x1f000000, &s->iomem_1f0);
+
+ memory_region_init_alias(&s->iomem_ff0, "memory-ff0",
+ &s->iomem, 0x1f000000, 0x1000);
+ memory_region_add_subregion(sysmem, 0xff000000, &s->iomem_ff0);
+
+ memory_region_init_alias(&s->iomem_1f8, "memory-1f8",
+ &s->iomem, 0x1f800000, 0x1000);
+ memory_region_add_subregion(sysmem, 0x1f800000, &s->iomem_1f8);
+
+ memory_region_init_alias(&s->iomem_ff8, "memory-ff8",
+ &s->iomem, 0x1f800000, 0x1000);
+ memory_region_add_subregion(sysmem, 0xff800000, &s->iomem_ff8);
+
+ memory_region_init_alias(&s->iomem_1fc, "memory-1fc",
+ &s->iomem, 0x1fc00000, 0x1000);
+ memory_region_add_subregion(sysmem, 0x1fc00000, &s->iomem_1fc);
+
+ memory_region_init_alias(&s->iomem_ffc, "memory-ffc",
+ &s->iomem, 0x1fc00000, 0x1000);
+ memory_region_add_subregion(sysmem, 0xffc00000, &s->iomem_ffc);
+
+ memory_region_init_io(&s->mmct_iomem, &sh7750_mmct_ops, s,
+ "cache-and-tlb", 0x08000000);
+ memory_region_add_subregion(sysmem, 0xf0000000, &s->mmct_iomem);
+
+ sh_intc_init(sysmem, &s->intc, NR_SOURCES,
_INTC_ARRAY(mask_registers),
_INTC_ARRAY(prio_registers));
@@ -747,21 +766,23 @@ SH7750State *sh7750_init(CPUSH4State * cpu)
cpu->intc_handle = &s->intc;
- sh_serial_init(0x1fe00000, 0, s->periph_freq, serial_hds[0],
- s->intc.irqs[SCI1_ERI],
- s->intc.irqs[SCI1_RXI],
- s->intc.irqs[SCI1_TXI],
- s->intc.irqs[SCI1_TEI],
- NULL);
- sh_serial_init(0x1fe80000, SH_SERIAL_FEAT_SCIF,
- s->periph_freq, serial_hds[1],
- s->intc.irqs[SCIF_ERI],
- s->intc.irqs[SCIF_RXI],
- s->intc.irqs[SCIF_TXI],
- NULL,
- s->intc.irqs[SCIF_BRI]);
-
- tmu012_init(0x1fd80000,
+ sh_serial_init(sysmem, 0x1fe00000,
+ 0, s->periph_freq, serial_hds[0],
+ s->intc.irqs[SCI1_ERI],
+ s->intc.irqs[SCI1_RXI],
+ s->intc.irqs[SCI1_TXI],
+ s->intc.irqs[SCI1_TEI],
+ NULL);
+ sh_serial_init(sysmem, 0x1fe80000,
+ SH_SERIAL_FEAT_SCIF,
+ s->periph_freq, serial_hds[1],
+ s->intc.irqs[SCIF_ERI],
+ s->intc.irqs[SCIF_RXI],
+ s->intc.irqs[SCIF_TXI],
+ NULL,
+ s->intc.irqs[SCIF_BRI]);
+
+ tmu012_init(sysmem, 0x1fd80000,
TMU012_FEAT_TOCR | TMU012_FEAT_3CHAN | TMU012_FEAT_EXTCLK,
s->periph_freq,
s->intc.irqs[TMU0],
@@ -785,7 +806,7 @@ SH7750State *sh7750_init(CPUSH4State * cpu)
sh_intc_register_sources(&s->intc,
_INTC_ARRAY(vectors_tmu34),
NULL, 0);
- tmu012_init(0x1e100000, 0, s->periph_freq,
+ tmu012_init(sysmem, 0x1e100000, 0, s->periph_freq,
s->intc.irqs[TMU3],
s->intc.irqs[TMU4],
NULL, NULL);
generated by cgit v1.2.3 (git 2.26.2) at 2025-01-01 05:57:17 +0000