diff options
| -rw-r--r-- | hw/sh7750.c | 14 | ||||
| -rw-r--r-- | hw/sm501.c | 82 |
2 files changed, 41 insertions, 55 deletions
diff --git a/hw/sh7750.c b/hw/sh7750.c index a564a80..afdb9f5 100644 --- a/hw/sh7750.c +++ b/hw/sh7750.c @@ -60,7 +60,6 @@ typedef struct SH7750State { uint16_t periph_portdirb; /* Direction seen from the peripherals */ sh7750_io_device *devices[NB_DEVICES]; /* External peripherals */ - uint16_t icr; /* Cache */ uint32_t ccr; @@ -222,8 +221,6 @@ static uint32_t sh7750_mem_readw(void *opaque, target_phys_addr_t addr) return porta_lines(s); case SH7750_PDTRB_A7: return portb_lines(s); - case 0x1fd00000: - return s->icr; default: error_access("word read", addr); assert(0); @@ -328,9 +325,6 @@ static void sh7750_mem_writew(void *opaque, target_phys_addr_t addr, assert(0); } return; - case 0x1fd00000: - s->icr = mem_value; - return; default: error_access("word write", addr); assert(0); @@ -687,8 +681,12 @@ SH7750State *sh7750_init(CPUSH4State * cpu) sh7750_io_memory = cpu_register_io_memory(0, sh7750_mem_read, sh7750_mem_write, s); - cpu_register_physical_memory_offset(0x1c000000, 0x04000000, - sh7750_io_memory, 0x1c000000); + cpu_register_physical_memory_offset(0x1f000000, 0x1000, + sh7750_io_memory, 0x1f000000); + cpu_register_physical_memory_offset(0x1f800000, 0x1000, + sh7750_io_memory, 0x1f800000); + cpu_register_physical_memory_offset(0x1fc00000, 0x1000, + sh7750_io_memory, 0x1fc00000); sh7750_mm_cache_and_tlb = cpu_register_io_memory(0, sh7750_mmct_read, @@ -638,6 +638,32 @@ static CPUWriteMemoryFunc *sm501_system_config_writefn[] = { &sm501_system_config_write, }; +static uint32_t sm501_palette_read(void *opaque, target_phys_addr_t addr) +{ + SM501State * s = (SM501State *)opaque; + SM501_DPRINTF("sm501 palette read addr=%x\n", (int)addr); + + /* TODO : consider BYTE/WORD access */ + /* TODO : consider endian */ + + assert(0 <= addr && addr < 0x400 * 3); + return *(uint32_t*)&s->dc_palette[addr]; +} + +static void sm501_palette_write(void *opaque, + target_phys_addr_t addr, uint32_t value) +{ + SM501State * s = (SM501State *)opaque; + SM501_DPRINTF("sm501 palette write addr=%x, val=%x\n", + (int)addr, value); + + /* TODO : consider BYTE/WORD access */ + /* TODO : consider endian */ + + assert(0 <= addr && addr < 0x400 * 3); + *(uint32_t*)&s->dc_palette[addr] = value; +} + static uint32_t sm501_disp_ctrl_read(void *opaque, target_phys_addr_t addr) { SM501State * s = (SM501State *)opaque; @@ -719,6 +745,10 @@ static uint32_t sm501_disp_ctrl_read(void *opaque, target_phys_addr_t addr) ret = s->dc_crt_hwc_addr; break; + case SM501_DC_PANEL_PALETTE ... SM501_DC_PANEL_PALETTE + 0x400*3 - 4: + ret = sm501_palette_read(opaque, addr - SM501_DC_PANEL_PALETTE); + break; + default: printf("sm501 disp ctrl : not implemented register read." " addr=%x\n", (int)addr); @@ -823,6 +853,10 @@ static void sm501_disp_ctrl_write(void *opaque, s->dc_crt_hwc_addr = value & 0x0000FFFF; break; + case SM501_DC_PANEL_PALETTE ... SM501_DC_PANEL_PALETTE + 0x400*3 - 4: + sm501_palette_write(opaque, addr - SM501_DC_PANEL_PALETTE, value); + break; + default: printf("sm501 disp ctrl : not implemented register write." " addr=%x, val=%x\n", (int)addr, value); @@ -842,45 +876,6 @@ static CPUWriteMemoryFunc *sm501_disp_ctrl_writefn[] = { &sm501_disp_ctrl_write, }; -static uint32_t sm501_palette_read(void *opaque, target_phys_addr_t addr) -{ - SM501State * s = (SM501State *)opaque; - SM501_DPRINTF("sm501 palette read addr=%x\n", (int)addr); - - /* TODO : consider BYTE/WORD access */ - /* TODO : consider endian */ - - assert(0 <= addr && addr < 0x400 * 3); - return *(uint32_t*)&s->dc_palette[addr]; -} - -static void sm501_palette_write(void *opaque, - target_phys_addr_t addr, uint32_t value) -{ - SM501State * s = (SM501State *)opaque; - SM501_DPRINTF("sm501 palette write addr=%x, val=%x\n", - (int)addr, value); - - /* TODO : consider BYTE/WORD access */ - /* TODO : consider endian */ - - assert(0 <= addr && addr < 0x400 * 3); - *(uint32_t*)&s->dc_palette[addr] = value; -} - -static CPUReadMemoryFunc *sm501_palette_readfn[] = { - &sm501_palette_read, - &sm501_palette_read, - &sm501_palette_read, -}; - -static CPUWriteMemoryFunc *sm501_palette_writefn[] = { - &sm501_palette_write, - &sm501_palette_write, - &sm501_palette_write, -}; - - /* draw line functions for all console modes */ #include "pixel_ops.h" @@ -1070,7 +1065,6 @@ void sm501_init(DisplayState *ds, uint32_t base, unsigned long local_mem_base, SM501State * s; int sm501_system_config_index; int sm501_disp_ctrl_index; - int sm501_palette_index; /* allocate management data region */ s = (SM501State *)qemu_mallocz(sizeof(SM501State)); @@ -1098,13 +1092,7 @@ void sm501_init(DisplayState *ds, uint32_t base, unsigned long local_mem_base, sm501_disp_ctrl_index = cpu_register_io_memory(0, sm501_disp_ctrl_readfn, sm501_disp_ctrl_writefn, s); cpu_register_physical_memory(base + MMIO_BASE_OFFSET + SM501_DC, - 0x400, sm501_disp_ctrl_index); - - sm501_palette_index = cpu_register_io_memory(0, sm501_palette_readfn, - sm501_palette_writefn, s); - cpu_register_physical_memory(base + MMIO_BASE_OFFSET - + SM501_DC + SM501_DC_PANEL_PALETTE, - 0x400 * 3, sm501_palette_index); + 0x1000, sm501_disp_ctrl_index); /* bridge to serial emulation module */ if (chr) |