diff options
Diffstat (limited to 'board/MAI/bios_emulator/scitech/src/x86emu/debug.c')
| -rw-r--r-- | board/MAI/bios_emulator/scitech/src/x86emu/debug.c | 72 |
1 files changed, 36 insertions, 36 deletions
diff --git a/board/MAI/bios_emulator/scitech/src/x86emu/debug.c b/board/MAI/bios_emulator/scitech/src/x86emu/debug.c index 050008c93..235e6ac14 100644 --- a/board/MAI/bios_emulator/scitech/src/x86emu/debug.c +++ b/board/MAI/bios_emulator/scitech/src/x86emu/debug.c @@ -48,7 +48,7 @@ static void print_encoded_bytes (u16 s, u16 o); static void print_decoded_instruction (void); static int parse_line (char *s, int *ps, int *n); - + /* should look something like debug's output. */ void X86EMU_trace_regs (void) { @@ -94,11 +94,11 @@ static void disassemble_forward (u16 seg, u16 off, int n) * SINGLE_STEP(r,m); which disappear if DEBUG is not defined to * the preprocessor. The TRACE_REGS macro expands to: * - * if (debug&DEBUG_DISASSEMBLE) + * if (debug&DEBUG_DISASSEMBLE) * {just_disassemble(); goto EndOfInstruction;} * if (debug&DEBUG_TRACE) trace_regs(r,m); * - * ...... and at the last line of the routine. + * ...... and at the last line of the routine. * * EndOfInstruction: end_instr(); * @@ -112,14 +112,14 @@ static void disassemble_forward (u16 seg, u16 off, int n) tregs = M; tregs.x86.R_IP = off; tregs.x86.R_CS = seg; - + /* reset the decoding buffers */ tregs.x86.enc_str_pos = 0; tregs.x86.enc_pos = 0; - + /* turn on the "disassemble only, no execute" flag */ tregs.x86.debug |= DEBUG_DISASSEMBLE_F; - + /* DUMP NEXT n instructions to screen in straight_line fashion */ /* * This looks like the regular instruction fetch stream, except @@ -210,7 +210,7 @@ void X86EMU_dump_memory (u16 seg, u16 off, u32 amt) u32 end = (off+16) & 0xfffffff0; u32 i; u32 current; - + current = start; while (end <= off + amt) { printk("%04x:%04x ", seg, start); @@ -235,7 +235,7 @@ void x86emu_single_step (void) int offset; static int breakpoint; static int noDecode = 1; - + char *p; if (DEBUG_BREAK()) { @@ -249,19 +249,19 @@ void x86emu_single_step (void) X86EMU_trace_regs(); } } - + done=0; offset = M.x86.saved_ip; while (!done) { - printk("-"); - //p = fgets(s, 1023, stdin); + printk("-"); + /*p = fgets(s, 1023, stdin); */ cons_gets(s); - cmd = parse_line(s, ps, &ntok); - switch(cmd) { + cmd = parse_line(s, ps, &ntok); + switch(cmd) { case 'u': disassemble_forward(M.x86.saved_cs,(u16)offset,10); - break; - case 'd': + break; + case 'd': if (ntok == 2) { segment = M.x86.saved_cs; offset = ps[1]; @@ -277,22 +277,22 @@ void x86emu_single_step (void) X86EMU_dump_memory(segment,(u16)offset,16); offset += 16; } - break; + break; case 'c': M.x86.debug ^= DEBUG_TRACECALL_F; - break; + break; case 's': M.x86.debug ^= DEBUG_SVC_F | DEBUG_SYS_F | DEBUG_SYSINT_F; - break; + break; case 'r': X86EMU_trace_regs(); - break; + break; case 'x': X86EMU_trace_xregs(); - break; + break; case 'g': - if (ntok == 2) { - breakpoint = ps[1]; + if (ntok == 2) { + breakpoint = ps[1]; printk("breakpoint set to 0x%X\n", breakpoint); if (noDecode) { M.x86.debug |= DEBUG_DECODE_NOPRINT_F; @@ -302,8 +302,8 @@ void x86emu_single_step (void) M.x86.debug &= ~DEBUG_TRACE_F; M.x86.debug |= DEBUG_BREAK_F; done = 1; - } - break; + } + break; case 'q': M.x86.debug |= DEBUG_EXIT; return; @@ -313,9 +313,9 @@ void x86emu_single_step (void) break; case 't': case 0: - done = 1; - break; - } + done = 1; + break; + } } } @@ -338,23 +338,23 @@ static int parse_line (char *s, int *ps, int *n) ps[*n] = *s; switch (*s) { case '\n': - *n += 1; - return 0; + *n += 1; + return 0; default: - cmd = *s; - *n += 1; + cmd = *s; + *n += 1; } while (1) { while (*s != ' ' && *s != '\t' && *s != '\n') s++; - + if (*s == '\n') return cmd; - + while(*s == ' ' || *s == '\t') s++; - + ps[*n]=atoi(s); - //sscanf(s,"%x",&ps[*n]); + /*sscanf(s,"%x",&ps[*n]); */ *n += 1; } } @@ -405,7 +405,7 @@ void x86emu_dump_regs (void) if (ACCESS_FLAG(F_CF)) printk("CY "); else printk("NC "); printk("\n"); - //x86emu_dump_stack(); + /*x86emu_dump_stack(); */ } void x86emu_dump_xregs (void) |