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| version 1.1, 2003/12/08 00:55:31 | version 1.15, 2004/03/24 14:03:52 |
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| Line 34 | Line 34 |
| extern "C" { | extern "C" { |
| #endif | #endif |
| /* enter/leave paging mode */ | /* |
| void FASTCALL change_pg(int onoff); | * ページ・ディレクトリ・エントリ (4K バイトページ使用時) |
| * | |
| * 31 12 11 9 8 7 6 5 4 3 2 1 0 | |
| * +----------------------------------------+------+-+--+-+-+---+---+---+---+-+ | |
| * | ページ・テーブルのベース・アドレス |使用可|G|PS|-|A|PCD|PWT|U/S|R/W|P| | |
| * +----------------------------------------+------+-+--+-+-+---+---+---+---+-+ | |
| * | | | | | | | | | | | |
| * 9-11: システム・プログラマが使用可能 --------+ | | | | | | | | | | |
| * 8: グローバル・ページ(無視される) ------------+ | | | | | | | | | |
| * 7: ページ・サイズ (0 = 4k バイトページ) ---------+ | | | | | | | | |
| * 6: 予約 (-) ---------------------------------------+ | | | | | | | |
| * 5: アクセス -----------------------------------------+ | | | | | | |
| * 4: キャッシュ無効 --------------------------------------+ | | | | | |
| * 3: ライトスルー --------------------------------------------+ | | | | |
| * 2: ユーザ/スーパバイザ (0 = スーパバイザ) ---------------------+ | | | |
| * 1: 読み取り/書き込み (0 = 読み取りのみ) ---------------------------+ | | |
| * 0: ページ存在 ---------------------------------------------------------+ | |
| */ | |
| #define CPU_PDE_BASEADDR_MASK 0xfffff000 | |
| #define CPU_PDE_GLOBAL_PAGE (1 << 8) | |
| #define CPU_PDE_PAGE_SIZE (1 << 7) | |
| #define CPU_PDE_DIRTY (1 << 6) | |
| #define CPU_PDE_ACCESS (1 << 5) | |
| #define CPU_PDE_CACHE_DISABLE (1 << 4) | |
| #define CPU_PDE_WRITE_THROUGH (1 << 3) | |
| #define CPU_PDE_USER_MODE (1 << 2) | |
| #define CPU_PDE_WRITABLE (1 << 1) | |
| #define CPU_PDE_PRESENT (1 << 0) | |
| /* paging check */ | /* |
| void MEMCALL paging_check(DWORD laddr, DWORD length, int rw); | * ページ・ディレクトリ・エントリ (4M バイトページ使用時) |
| * | |
| * 31 22 21 12 11 9 8 7 6 5 4 3 2 1 0 | |
| * +----------------------------+-----------+------+-+--+-+-+---+---+---+---+-+ | |
| * |ページテーブルの物理アドレス| 予約済み |使用可|G|PS|D|A|PCD|PWT|U/S|R/W|P| | |
| * +----------------------------+-----------+------+-+--+-+-+---+---+---+---+-+ | |
| * | | | | | | | | | | | |
| * 9-11: システム・プログラマが使用可能 --------+ | | | | | | | | | | |
| * 8: グローバル・ページ ------------------------+ | | | | | | | | | |
| * 7: ページ・サイズ (1 = 4M バイトページ) ---------+ | | | | | | | | |
| * 6: ダーティ ---------------------------------------+ | | | | | | | |
| * 5: アクセス -----------------------------------------+ | | | | | | |
| * 4: キャッシュ無効 --------------------------------------+ | | | | | |
| * 3: ライトスルー --------------------------------------------+ | | | | |
| * 2: ユーザ/スーパバイザ (0 = スーパバイザ) ---------------------+ | | | |
| * 1: 読み取り/書き込み (0 = 読み取りのみ) ---------------------------+ | | |
| * 0: ページ存在 ---------------------------------------------------------+ | |
| */ | |
| #define CPU_PDE_4M_BASEADDR_MASK 0xffc00000 | |
| #define CPU_PDE_4M_GLOBAL_PAGE (1 << 8) | |
| #define CPU_PDE_4M_PAGE_SIZE (1 << 7) | |
| #define CPU_PDE_4M_DIRTY (1 << 6) | |
| #define CPU_PDE_4M_ACCESS (1 << 5) | |
| #define CPU_PDE_4M_CACHE_DISABLE (1 << 4) | |
| #define CPU_PDE_4M_WRITE_THROUGH (1 << 3) | |
| #define CPU_PDE_4M_USER_MODE (1 << 2) | |
| #define CPU_PDE_4M_WRITABLE (1 << 1) | |
| #define CPU_PDE_4M_PRESENT (1 << 0) | |
| /* | |
| * ページ・テーブル・エントリ (4k バイト・ページ) | |
| * | |
| * 31 12 11 9 8 7 6 5 4 3 2 1 0 | |
| * +----------------------------------------+------+-+-+-+-+---+---+---+---+-+ | |
| * | ページのベース・アドレス |使用可|G|-|D|A|PCD|PWT|U/S|R/W|P| | |
| * +----------------------------------------+------+-+-+-+-+---+---+---+---+-+ | |
| * | | | | | | | | | | | |
| * 9-11: システム・プログラマが使用可能 -------+ | | | | | | | | | | |
| * 8: グローバル・ページ -----------------------+ | | | | | | | | | |
| * 7: 予約 (-) -----------------------------------+ | | | | | | | | |
| * 6: ダーティ -------------------------------------+ | | | | | | | |
| * 5: アクセス ---------------------------------------+ | | | | | | |
| * 4: キャッシュ無効 ------------------------------------+ | | | | | |
| * 3: ライトスルー ------------------------------------------+ | | | | |
| * 2: ユーザ/スーパバイザ (0 = スーパバイザ) -------------------+ | | | |
| * 1: 読み取り/書き込み (0 = 読み取りのみ) -------------------------+ | | |
| * 0: ページ存在 -------------------------------------------------------+ | |
| */ | |
| #define CPU_PTE_BASEADDR_MASK 0xfffff000 | |
| #define CPU_PTE_GLOBAL_PAGE (1 << 8) | |
| #define CPU_PTE_PAGE_SIZE (1 << 7) | |
| #define CPU_PTE_DIRTY (1 << 6) | |
| #define CPU_PTE_ACCESS (1 << 5) | |
| #define CPU_PTE_CACHE_DISABLE (1 << 4) | |
| #define CPU_PTE_WRITE_THROUGH (1 << 3) | |
| #define CPU_PTE_USER_MODE (1 << 2) | |
| #define CPU_PTE_WRITABLE (1 << 1) | |
| #define CPU_PTE_PRESENT (1 << 0) | |
| /* paging_check(): rw */ | |
| #define CPU_PAGING_PAGE_READ (0 << 0) | |
| #define CPU_PAGING_PAGE_WRITE (1 << 0) | |
| /* | |
| * linear address function | |
| */ | |
| DWORD MEMCALL cpu_linear_memory_read(DWORD address, DWORD length, int code); | |
| void MEMCALL cpu_linear_memory_write(DWORD address, DWORD length, DWORD value); | |
| /* cpu_linear_memory_read(): code */ | |
| #define CPU_PAGING_PAGE_CODE (1 << 1) | |
| #define CPU_PAGING_PAGE_DATA (1 << 2) | |
| #define cpu_lmemoryread(a) \ | |
| (CPU_STAT_PAGING) ? \ | |
| (BYTE)cpu_linear_memory_read(a, 1, FALSE) : \ | |
| cpu_memoryread(a); | |
| #define cpu_lmemoryread_w(a) \ | |
| (CPU_STAT_PAGING) ? \ | |
| (WORD)cpu_linear_memory_read(a, 2, FALSE) : \ | |
| cpu_memoryread_w(a); | |
| #define cpu_lmemoryread_d(a) \ | |
| (CPU_STAT_PAGING) ? \ | |
| cpu_linear_memory_read(a, 4, FALSE) : \ | |
| cpu_memoryread_d(a); | |
| #define cpu_lmemorywrite(a,v) \ | |
| (CPU_STAT_PAGING) ? \ | |
| cpu_linear_memory_write(a, 1, v) : \ | |
| cpu_memorywrite(a,v); | |
| #define cpu_lmemorywrite_w(a,v) \ | |
| (CPU_STAT_PAGING) ? \ | |
| cpu_linear_memory_write(a, 2, v) : \ | |
| cpu_memorywrite_w(a,v); | |
| #define cpu_lmemorywrite_d(a,v) \ | |
| (CPU_STAT_PAGING) ? \ | |
| cpu_linear_memory_write(a, 4, v) : \ | |
| cpu_memorywrite_d(a,v); | |
| /* | |
| * linear address memory access function | |
| */ | |
| #if defined(IA32_PAGING_EACHSIZE) | |
| UINT8 MEMCALL cpu_memory_access_la_RMW_b(UINT32 laddr, UINT32 (*func)(UINT32, void *), void *arg); | |
| UINT16 MEMCALL cpu_memory_access_la_RMW_w(UINT32 laddr, UINT32 (*func)(UINT32, void *), void *arg); | |
| UINT32 MEMCALL cpu_memory_access_la_RMW_d(UINT32 laddr, UINT32 (*func)(UINT32, void *), void *arg); | |
| UINT8 MEMCALL cpu_linear_memory_read_b(UINT32 laddr, const int crw, const int user_mode); | |
| UINT16 MEMCALL cpu_linear_memory_read_w(UINT32 laddr, const int crw, const int user_mode); | |
| UINT32 MEMCALL cpu_linear_memory_read_d(UINT32 laddr, const int crw, const int user_mode); | |
| void MEMCALL cpu_linear_memory_write_b(UINT32 laddr, UINT8 value, const int user_mode); | |
| void MEMCALL cpu_linear_memory_write_w(UINT32 laddr, UINT16 value, const int user_mode); | |
| void MEMCALL cpu_linear_memory_write_d(UINT32 laddr, UINT32 value, const int user_mode); | |
| #else /* !IA32_PAGING_EACHSIZE */ | |
| UINT32 MEMCALL cpu_memory_access_la_RMW(UINT32 laddr, UINT length, const int user_mode, UINT32 (*func)(UINT32, void *), void *arg); | |
| UINT32 MEMCALL cpu_linear_memory_read(UINT32 address, UINT length, const int crw, const int user_mode); | |
| void MEMCALL cpu_linear_memory_write(UINT32 address, UINT32 value, UINT length, const int user_mode); | |
| #endif /* IA32_PAGING_EACHSIZE */ | |
| void MEMCALL cpu_memory_access_la_region(UINT32 address, UINT length, const int crw, const int user_mode, BYTE *data); | |
| void MEMCALL paging_check(UINT32 laddr, UINT length, const int crw, const int user_mode); | |
| /* crw */ | |
| #define CPU_PAGE_READ (0 << 0) | |
| #define CPU_PAGE_WRITE (1 << 0) | |
| #define CPU_PAGE_CODE (1 << 1) | |
| #define CPU_PAGE_DATA (1 << 2) | |
| #define CPU_PAGE_READ_CODE (CPU_PAGE_READ|CPU_PAGE_CODE) | |
| #define CPU_PAGE_READ_DATA (CPU_PAGE_READ|CPU_PAGE_DATA) | |
| #define CPU_PAGE_WRITE_DATA (CPU_PAGE_WRITE|CPU_PAGE_DATA) | |
| #if defined(IA32_PAGING_EACHSIZE) | |
| #define cpu_lmemoryread(a,pl) \ | |
| (!CPU_STAT_PAGING) ? \ | |
| cpu_memoryread(a) : cpu_linear_memory_read_b(a,CPU_PAGE_READ_DATA,pl) | |
| #define cpu_lmemoryread_b(a,pl) cpu_lmemoryread(a,pl) | |
| #define cpu_lmemoryread_w(a,pl) \ | |
| (!CPU_STAT_PAGING) ? \ | |
| cpu_memoryread_w(a) : cpu_linear_memory_read_w(a,CPU_PAGE_READ_DATA,pl) | |
| #define cpu_lmemoryread_d(a,pl) \ | |
| (!CPU_STAT_PAGING) ? \ | |
| cpu_memoryread_d(a) : cpu_linear_memory_read_d(a,CPU_PAGE_READ_DATA,pl) | |
| #define cpu_lmemorywrite(a,v,pl) \ | |
| (!CPU_STAT_PAGING) ? \ | |
| cpu_memorywrite(a,v) : cpu_linear_memory_write_b(a,v,pl) | |
| #define cpu_lmemorywrite_b(a,v,pl) cpu_lmemorywrite(a,v,pl) | |
| #define cpu_lmemorywrite_w(a,v,pl) \ | |
| (!CPU_STAT_PAGING) ? \ | |
| cpu_memorywrite_w(a,v) : cpu_linear_memory_write_w(a,v,pl) | |
| #define cpu_lmemorywrite_d(a,v,pl) \ | |
| (!CPU_STAT_PAGING) ? \ | |
| cpu_memorywrite_d(a,v) : cpu_linear_memory_write_d(a,v,pl) | |
| /* code */ | |
| #define cpu_lcmemoryread(a) \ | #define cpu_lcmemoryread(a) \ |
| (CPU_STAT_PAGING) ? \ | (!CPU_STAT_PAGING) ? \ |
| (BYTE)cpu_linear_memory_read(a, 1, TRUE) : \ | cpu_memoryread(a) : \ |
| cpu_memoryread(a); | cpu_linear_memory_read_b(a,CPU_PAGE_READ_CODE,CPU_STAT_USER_MODE) |
| #define cpu_lcmemoryread_w(a) \ | #define cpu_lcmemoryread_w(a) \ |
| (CPU_STAT_PAGING) ? \ | (!CPU_STAT_PAGING) ? \ |
| (WORD)cpu_linear_memory_read(a, 2, TRUE) : \ | cpu_memoryread_w(a) : \ |
| cpu_memoryread_w(a); | cpu_linear_memory_read_w(a,CPU_PAGE_READ_CODE,CPU_STAT_USER_MODE) |
| #define cpu_lcmemoryread_d(a) \ | #define cpu_lcmemoryread_d(a) \ |
| (CPU_STAT_PAGING) ? \ | (!CPU_STAT_PAGING) ? \ |
| cpu_linear_memory_read(a, 4, TRUE) : \ | cpu_memoryread_d(a) : \ |
| cpu_memoryread_d(a); | cpu_linear_memory_read_d(a,CPU_PAGE_READ_CODE,CPU_STAT_USER_MODE) |
| #else /* !IA32_PAGING_EACHSIZE */ | |
| #define cpu_memory_access_la_RMW_b(l,f,a) \ | |
| cpu_memory_access_la_RMW(l,1,f,a) | |
| #define cpu_memory_access_la_RMW_w(l,f,a) \ | |
| cpu_memory_access_la_RMW(l,2,f,a) | |
| #define cpu_memory_access_la_RMW_d(l,f,a) \ | |
| cpu_memory_access_la_RMW(l,4,f,a) | |
| #define cpu_lmemoryread(a,pl) \ | |
| (!CPU_STAT_PAGING) ? \ | |
| cpu_memoryread(a) : \ | |
| (UINT8)cpu_linear_memory_read(a,1,CPU_PAGE_READ_DATA,pl) | |
| #define cpu_lmemoryread_b(a,pl) cpu_lmemoryread(a,pl) | |
| #define cpu_lmemoryread_w(a,pl) \ | |
| (!CPU_STAT_PAGING) ? \ | |
| cpu_memoryread_w(a) : \ | |
| (UINT16)cpu_linear_memory_read(a,2,CPU_PAGE_READ_DATA,pl) | |
| #define cpu_lmemoryread_d(a,pl) \ | |
| (!CPU_STAT_PAGING) ? \ | |
| cpu_memoryread_d(a) : \ | |
| cpu_linear_memory_read(a,4,CPU_PAGE_READ_DATA,pl) | |
| #define cpu_lmemorywrite(a,v,pl) \ | |
| (!CPU_STAT_PAGING) ? \ | |
| cpu_memorywrite(a,v) : \ | |
| cpu_linear_memory_write(a,v,1,pl) | |
| #define cpu_lmemorywrite_b(a,v,pl) cpu_lmemorywrite(a,v,pl) | |
| #define cpu_lmemorywrite_w(a,v,pl) \ | |
| (!CPU_STAT_PAGING) ? \ | |
| cpu_memorywrite_w(a,v) : \ | |
| cpu_linear_memory_write(a,v,2,pl) | |
| #define cpu_lmemorywrite_d(a,v,pl) \ | |
| (!CPU_STAT_PAGING) ? \ | |
| cpu_memorywrite_d(a,v) : \ | |
| cpu_linear_memory_write(a,v,4,pl) | |
| /* code */ | |
| #define cpu_lcmemoryread(a) \ | |
| (!CPU_STAT_PAGING) ? \ | |
| cpu_memoryread(a) : \ | |
| (UINT8)cpu_linear_memory_read(a,1,CPU_PAGE_READ_CODE,CPU_STAT_USER_MODE) | |
| #define cpu_lcmemoryread_w(a) \ | |
| (!CPU_STAT_PAGING) ? \ | |
| cpu_memoryread_w(a) : \ | |
| (UINT16)cpu_linear_memory_read(a,2,CPU_PAGE_READ_CODE,CPU_STAT_USER_MODE) | |
| #define cpu_lcmemoryread_d(a) \ | |
| (!CPU_STAT_PAGING) ? \ | |
| cpu_memoryread_d(a) : \ | |
| cpu_linear_memory_read(a,4,CPU_PAGE_READ_CODE,CPU_STAT_USER_MODE) | |
| #endif /* IA32_PAGING_EACHSIZE */ | |
| /* | |
| * linear address memory access with superviser mode | |
| */ | |
| #define cpu_kmemoryread(a) cpu_lmemoryread(a,CPU_MODE_SUPERVISER) | |
| #define cpu_kmemoryread_w(a) cpu_lmemoryread_w(a,CPU_MODE_SUPERVISER) | |
| #define cpu_kmemoryread_d(a) cpu_lmemoryread_d(a,CPU_MODE_SUPERVISER) | |
| #define cpu_kmemorywrite(a,v) cpu_lmemorywrite(a,v,CPU_MODE_SUPERVISER) | |
| #define cpu_kmemorywrite_w(a,v) cpu_lmemorywrite_w(a,v,CPU_MODE_SUPERVISER) | |
| #define cpu_kmemorywrite_d(a,v) cpu_lmemorywrite_d(a,v,CPU_MODE_SUPERVISER) | |
| /* | |
| * CR3 (Page Directory Entry base physical address) | |
| */ | |
| #define set_CR3(cr3) \ | |
| do { \ | |
| VERBOSE(("set_CR3: old = %08x, new = 0x%08x", CPU_CR3, (cr3) & CPU_CR3_MASK)); \ | |
| CPU_CR3 = (cr3) & CPU_CR3_MASK; \ | |
| CPU_STAT_PDE_BASE = CPU_CR3 & CPU_CR3_PD_MASK; \ | |
| tlb_flush(FALSE); \ | |
| } while (/*CONSTCOND*/ 0) | |
| /* | /* |
| * TLB function | * TLB function |
| */ | */ |
| void tlb_init(); | #if defined(IA32_SUPPORT_TLB) |
| void tlb_init(void); | |
| void tlb_flush(BOOL allflush); | void tlb_flush(BOOL allflush); |
| void tlb_flush_page(DWORD vaddr); | void tlb_flush_page(UINT32 laddr); |
| #else | |
| #define tlb_init() | |
| #define tlb_flush(allflush) (void)(allflush) | |
| #define tlb_flush_page(laddr) (void)(laddr) | |
| #endif | |
| #ifdef __cplusplus | #ifdef __cplusplus |
| } | } |
| #endif | #endif |