121 lines
3.3 KiB
C
121 lines
3.3 KiB
C
#include <command.h>
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#include <string.h>
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// Internal prototype.
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static void syscall_jump(int argc, char **argv, struct session_s *session, char *info);
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/* Define command block into the cache section. */
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CMDBLOCK("syscall", &syscall_jump,
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"SYSCALL command help\n"
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"Take one parameter: syscall id.\n"
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"This command will jump at the\nsyscall's code entry.\n"
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"\n"
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"Syscall list (not exhaustive):\n"
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"0x013 : GLibAddinAppExecutionCheck\n"
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"0x014 : GLibGetAddinLibInfo\n"
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"0x014 : GLibGetOSVersionInfo\n"
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"0x01c : Bdisp_WriteGraph_VRAM\n"
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"0x01d : Bdisp_WriteGraph_DD\n"
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"0x01e : Bdisp_WriteGraph_DDVRAM\n"
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"0x022 : Bdisp_ReadArea_VRAM\n"
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"0x023 : Bdisp_ReadArea_DD_OS\n"
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"0x024 : Bdisp_GetDisp_DD\n"
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"0x026 : DD_GET\n"
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"0x028 : Bdisp_PutDisp_DD\n"
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"0x030 : Bdisp_DrawLineVRAM\n"
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"0x031 : Bdisp_ClearLine_VRAM\n"
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"0x118 : Bcre_cychdr\n"
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"0x119 : Bdel_cychdr\n"
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"0x142 : Bdisp_AllClr_DD\n"
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"0x143 : Bdisp_AllClr_VRAM\n"
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"0x144 : Bdisp_AllClr_DDVRAM\n"
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"0x145 : Bdisp_GetDisp_VRAM\n"
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"0x147 : Bdisp_SetPoint_DD\n"
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"0x148 : Bdisp_SetPoint_DDVRAM\n"
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"0x149 : Bdisp_GetPoint_VRAM\n"
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"0x14a : Bdisp_AreaClr_DD\n"
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"0x14b : Bdisp_AreaClr_VRAM\n"
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"0x14c : Bdisp_AreaClr_DDVRAM\n"
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"0x14d : Bdisp_AreaReverseVRAM\n"
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"0x11a : Bsta_cychdr\n"
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"0x11b : Bstp_cychdr\n"
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"0x11f : Bdisp_PutDispArea_DD\n"
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"0x1e7 : BfileFLS_CloseFile\n"
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"0x218 : flsFindCLose\n"
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"0x242 : Bkey_Set_RepeatTime\n"
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"0x243 : Bkey_Get_RepeatTime\n"
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"0x244 : Bkey_Set_RepeatTime_Default\n"
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"0x247 : Bkey_GetKeyWait\n"
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"0x24c : Chattering\n"
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"0x374 : BMCSRenameVariable\n"
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"0x3ed : SetFlagPaturn\n"
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"0x3fa : Hmem_SetMMU\n"
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"0x420 : BSrl_DummyWAIT\n"
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"0x42c : Bfile_OpenFile_OS\n"
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"0x42d : Bfile_CloseFile_OS\n"
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"0x42e : Bfile_GetMediaFree_OS\n"
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"0x42f : Bfile_GetFileSize_OS\n"
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"0x431 : Bfile_SeekFile_OS\n"
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"0x432 : Bfile_ReadFile_OS\n"
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"0x434 : Bfile_CreateEntry\n"
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"0x435 : Bfile_WriteFile_OS\n"
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"0x439 : Bfile_DeleteEntry\n"
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"0x43b : Bfile_FindFirst\n"
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"0x43d : Bfile_FindClose\n"
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"0x43c : Bfile_FindNext\n"
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"0x462 : GetAppName\n"
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"0x494 : CallBackAtQuitMainFunction\n"
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"0x807 : Locate_OS\n"
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"0x82b : MCSPutVar2\n"
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"0x830 : MCSOvwDat2\n"
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"0x836 : MCSDelVar2\n"
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"0x840 : MCSGetDlen2\n"
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"0x841 : MCSGetData1\n"
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"0x844 : MCSGetCapa\n"
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"0x8fe : PopUpWin\n"
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"0x808 : Print\n"
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"0x809 : PrintRev\n"
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"0x80b : PrintRev\n"
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"0x80d : PrintRLine\n"
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"0x80a : PrintC\n"
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"0x80c : PrintLine\n"
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"0x813 : SaveDisp\n"
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"0x814 : RestoreDisp\n"
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"0x90f : GetKey\n"
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"0x9ad : PrintXY\n"
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"0xacc : free\n"
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"0xacd : malloc\n"
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"0xc4f : PrintMiniSd\n"
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"0xe6b : calloc\n"
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"0xe6d : realloc\n"
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"0x1032 : Bkey_GetKeyTableInfo\nJumpFunc\n"
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);
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static INLINE int check_address(char *str)
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{
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--str;
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while ((*(++str) >= '0' && *str <= '9') || (*str >= 'a' && *str <= 'f'));
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return ((*str != '\0') ? 1 : 0);
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}
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//
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// syscall_jump()
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// Casio doesn't use the TRAPA instruction (software interruption), for switch from
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// user mode to privileged mode. They just jump to a content area (always at 0x80010070)
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// and use the table of syscall addresses to redirect the jump. (and the table is always
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// stored at 0x8001007c).
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//
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static void syscall_jump(int argc, char **argv, struct session_s *session, char *info)
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{
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uint32_t *systab;
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uint32_t id;
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if (argc != 2 || check_address(argv[1]) != 0){
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strcpy(info, "arguments error");
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return;
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}
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id = atoi_base(argv[1], 16);
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systab = (void*)(*(uint32_t *)0x8001007c);
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session->anchor = systab[id];
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}
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