|
|
| version 1.15, 2004/03/04 16:58:57 | version 1.20, 2004/03/19 00:30:01 |
|---|---|
| Line 808 REG8 MEMCALL i286_memoryread(UINT32 addr | Line 808 REG8 MEMCALL i286_memoryread(UINT32 addr |
| return(memfn.rd8[(addr >> 15) & 0x1f](addr - 0x00f00000)); | return(memfn.rd8[(addr >> 15) & 0x1f](addr - 0x00f00000)); |
| } | } |
| #if defined(SUPPORT_PC9821) | #if defined(SUPPORT_PC9821) |
| else if (addr >= 0xfff00000) { | else if ((addr >= 0x00f00000) && (addr < 0x00f80000)) { |
| return(mem9821_r(addr)); | |
| } | |
| else if ((addr >= 0xfff00000) && (addr < 0xfff80000)) { | |
| return(mem9821_r(addr)); | return(mem9821_r(addr)); |
| } | } |
| #endif | #endif |
| else { | else { |
| // TRACEOUT(("out of mem (read8): %x", addr)); | |
| return(0xff); | return(0xff); |
| } | } |
| } | } |
| Line 839 REG16 MEMCALL i286_memoryread_w(UINT32 a | Line 843 REG16 MEMCALL i286_memoryread_w(UINT32 a |
| return(memfn.rd16[(addr >> 15) & 0x1f](addr - 0x00f00000)); | return(memfn.rd16[(addr >> 15) & 0x1f](addr - 0x00f00000)); |
| } | } |
| #if defined(SUPPORT_PC9821) | #if defined(SUPPORT_PC9821) |
| else if (addr >= 0xfff00000) { | else if ((addr >= 0x00f00000) && (addr < 0x00f80000)) { |
| return(mem9821_rw(addr)); | |
| } | |
| else if ((addr >= 0xfff00000) && (addr < 0xfff80000)) { | |
| return(mem9821_rw(addr)); | return(mem9821_rw(addr)); |
| } | } |
| #endif | #endif |
| else { | else { |
| // TRACEOUT(("out of mem (read16): %x", addr)); | |
| return(0xffff); | return(0xffff); |
| } | } |
| } | } |
| Line 898 void MEMCALL i286_memorywrite(UINT32 add | Line 906 void MEMCALL i286_memorywrite(UINT32 add |
| memfn.wr8[(addr >> 15) & 0x1f](addr - 0x00f00000, value); | memfn.wr8[(addr >> 15) & 0x1f](addr - 0x00f00000, value); |
| } | } |
| #if defined(SUPPORT_PC9821) | #if defined(SUPPORT_PC9821) |
| else if (addr >= 0xfff00000) { | else if ((addr >= 0x00f00000) && (addr < 0x00f80000)) { |
| mem9821_w(addr, value); | |
| } | |
| else if ((addr >= 0xfff00000) && (addr < 0xfff80000)) { | |
| mem9821_w(addr, value); | mem9821_w(addr, value); |
| } | } |
| #endif | #endif |
| else { | else { |
| TRACEOUT(("mem_w %x %x", addr, value)); | // TRACEOUT(("out of mem (write8): %x", addr)); |
| } | } |
| } | } |
| else { | else { |
| Line 928 void MEMCALL i286_memorywrite_w(UINT32 a | Line 939 void MEMCALL i286_memorywrite_w(UINT32 a |
| memfn.wr16[(addr >> 15) & 0x1f](addr - 0x00f00000, value); | memfn.wr16[(addr >> 15) & 0x1f](addr - 0x00f00000, value); |
| } | } |
| #if defined(SUPPORT_PC9821) | #if defined(SUPPORT_PC9821) |
| else if (addr >= 0xfff00000) { | else if ((addr >= 0x00f00000) && (addr < 0x00f80000)) { |
| mem9821_ww(addr, value); | |
| } | |
| else if ((addr >= 0xfff00000) && (addr < 0xfff80000)) { | |
| mem9821_ww(addr, value); | mem9821_ww(addr, value); |
| } | } |
| #endif | #endif |
| else { | |
| // TRACEOUT(("out of mem (write16): %x", addr)); | |
| } | |
| } | } |
| else { | else { |
| memfn.wr16[(addr >> 15) & 0x1f](addr, value); | memfn.wr16[(addr >> 15) & 0x1f](addr, value); |
| Line 1088 void MEMCALL memp_write(UINT32 address, | Line 1105 void MEMCALL memp_write(UINT32 address, |
| // ---- Logical Space (BIOS) | // ---- Logical Space (BIOS) |
| static UINT32 realaddr(UINT32 addr) { | static UINT32 physicaladdr(UINT32 addr) { |
| UINT32 a; | |
| UINT32 pde; | UINT32 pde; |
| UINT32 pte; | UINT32 pte; |
| if (CPU_STAT_PAGING) { | if (CPU_STAT_PAGING) { |
| pde = i286_memoryread_d(CPU_STAT_PDE_BASE + ((addr >> 20) & 0xffc)); | a = CPU_STAT_PDE_BASE + ((addr >> 20) & 0xffc); |
| pde = i286_memoryread_d(a); | |
| if (!(pde & CPU_PDE_PRESENT)) { | if (!(pde & CPU_PDE_PRESENT)) { |
| goto retdummy; | goto retdummy; |
| } | } |
| pte = cpu_memoryread_d((pde & CPU_PDE_BASEADDR_MASK) + ((addr >> 10) & 0xffc)); | #if 0 |
| if (!(pde & CPU_PDE_ACCESS)) { | |
| i286_memorywrite_d(a, pde | CPU_PDE_ACCESS); | |
| } | |
| #endif | |
| a = (pde & CPU_PDE_BASEADDR_MASK) + ((addr >> 10) & 0xffc); | |
| pte = cpu_memoryread_d(a); | |
| if (!(pte & CPU_PTE_PRESENT)) { | if (!(pte & CPU_PTE_PRESENT)) { |
| goto retdummy; | goto retdummy; |
| } | } |
| #if 0 | |
| if (!(pte & CPU_PTE_ACCESS)) { | |
| i286_memorywrite_d(a, pte | CPU_PTE_ACCESS); | |
| } | |
| #endif | |
| addr = (pte & CPU_PTE_BASEADDR_MASK) + (addr & 0x00000fff); | addr = (pte & CPU_PTE_BASEADDR_MASK) + (addr & 0x00000fff); |
| } | } |
| return(addr); | return(addr); |
| Line 1110 retdummy: | Line 1140 retdummy: |
| return(0x01000000); // てきとーにメモリが存在しない場所 | return(0x01000000); // てきとーにメモリが存在しない場所 |
| } | } |
| void MEMCALL i286_memstr_read(UINT seg, UINT off, void *dat, UINT leng) { | |
| REG8 MEMCALL meml_read8(UINT seg, UINT off) { | |
| UINT32 addr; | |
| addr = (seg << 4) + LOW16(off); | |
| if (CPU_STAT_PAGING) { | |
| addr = physicaladdr(addr); | |
| } | |
| return(i286_memoryread(addr)); | |
| } | |
| REG16 MEMCALL meml_read16(UINT seg, UINT off) { | |
| UINT32 addr; | |
| addr = (seg << 4) + LOW16(off); | |
| if (!CPU_STAT_PAGING) { | |
| return(i286_memoryread_w(addr)); | |
| } | |
| else if ((addr + 1) & 0xfff) { | |
| return(i286_memoryread_w(physicaladdr(addr))); | |
| } | |
| return(meml_read8(seg, off) + (meml_read8(seg, off + 1) << 8)); | |
| } | |
| void MEMCALL meml_write8(UINT seg, UINT off, REG8 dat) { | |
| UINT32 addr; | |
| addr = (seg << 4) + LOW16(off); | |
| if (CPU_STAT_PAGING) { | |
| addr = physicaladdr(addr); | |
| } | |
| i286_memorywrite(addr, dat); | |
| } | |
| void MEMCALL meml_write16(UINT seg, UINT off, REG16 dat) { | |
| UINT32 addr; | |
| addr = (seg << 4) + LOW16(off); | |
| if (!CPU_STAT_PAGING) { | |
| i286_memorywrite_w(addr, dat); | |
| } | |
| else if ((addr + 1) & 0xfff) { | |
| i286_memorywrite_w(physicaladdr(addr), dat); | |
| } | |
| else { | |
| meml_write8(seg, off, (REG8)dat); | |
| meml_write8(seg, off + 1, (REG8)(dat >> 8)); | |
| } | |
| } | |
| void MEMCALL meml_readstr(UINT seg, UINT off, void *dat, UINT leng) { | |
| UINT32 adrs; | UINT32 adrs; |
| UINT size; | UINT size; |
| Line 1121 void MEMCALL i286_memstr_read(UINT seg, | Line 1205 void MEMCALL i286_memstr_read(UINT seg, |
| size = 0x1000 - (adrs & 0xfff); | size = 0x1000 - (adrs & 0xfff); |
| size = min(size, leng); | size = min(size, leng); |
| size = min(size, 0x10000 - off); | size = min(size, 0x10000 - off); |
| memp_read(realaddr(adrs), dat, size); | memp_read(physicaladdr(adrs), dat, size); |
| off += size; | off += size; |
| dat = ((BYTE *)dat) + size; | dat = ((BYTE *)dat) + size; |
| leng -= size; | leng -= size; |
| } | } |
| } | } |
| void MEMCALL i286_memstr_write(UINT seg, UINT off, | void MEMCALL meml_writestr(UINT seg, UINT off, const void *dat, UINT leng) { |
| const void *dat, UINT leng) { | |
| UINT32 adrs; | UINT32 adrs; |
| UINT size; | UINT size; |
| Line 1140 void MEMCALL i286_memstr_write(UINT seg, | Line 1223 void MEMCALL i286_memstr_write(UINT seg, |
| size = 0x1000 - (adrs & 0xfff); | size = 0x1000 - (adrs & 0xfff); |
| size = min(size, leng); | size = min(size, leng); |
| size = min(size, 0x10000 - off); | size = min(size, 0x10000 - off); |
| memp_write(realaddr(adrs), dat, size); | memp_write(physicaladdr(adrs), dat, size); |
| off += size; | off += size; |
| dat = ((BYTE *)dat) + size; | dat = ((BYTE *)dat) + size; |
| leng -= size; | leng -= size; |
| Line 1151 void MEMCALL meml_read(UINT32 address, v | Line 1234 void MEMCALL meml_read(UINT32 address, v |
| UINT size; | UINT size; |
| while(leng) { | if (!CPU_STAT_PAGING) { |
| size = 0x1000 - (address & 0xfff); | memp_read(address, dat, leng); |
| size = min(size, leng); | } |
| memp_read(realaddr(address), dat, size); | else { |
| address += size; | while(leng) { |
| dat = ((BYTE *)dat) + size; | size = 0x1000 - (address & 0xfff); |
| leng -= size; | size = min(size, leng); |
| memp_read(physicaladdr(address), dat, size); | |
| address += size; | |
| dat = ((BYTE *)dat) + size; | |
| leng -= size; | |
| } | |
| } | } |
| } | } |
| Line 1165 void MEMCALL meml_write(UINT32 address, | Line 1253 void MEMCALL meml_write(UINT32 address, |
| UINT size; | UINT size; |
| while(leng) { | if (!CPU_STAT_PAGING) { |
| size = 0x1000 - (address & 0xfff); | memp_write(address, dat, leng); |
| size = min(size, leng); | } |
| memp_write(realaddr(address), dat, size); | else { |
| address += size; | while(leng) { |
| dat = ((BYTE *)dat) + size; | size = 0x1000 - (address & 0xfff); |
| leng -= size; | size = min(size, leng); |
| memp_write(physicaladdr(address), dat, size); | |
| address += size; | |
| dat = ((BYTE *)dat) + size; | |
| leng -= size; | |
| } | |
| } | } |
| } | } |
| #endif | #endif |