Attachment 290181 Details for Bug 254024 – Register states before and after vm86() calls for 2.6.24-rc4 kernels

Xorg-vesa-vm86-logs-2.6.24-rc4 (text/plain), 4.71 KB, created by Vivek Goyal on 2007-12-20 19:19:27 UTC

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Creator: Vivek Goyal

Created: 2007-12-20 19:19:27 UTC

Size: 4.71 KB

patch

obsolete

>Registers before first call to vm86()
>-------------------------------------
>(gdb) p/x *ptr
>$1 = {regs = {ebx = 0x1, ecx = 0x0, edx = 0x0, esi = 0x0, edi = 0x2000, 
>    ebp = 0x0, eax = 0x4f15, __null_ds = 0x0, __null_es = 0x0, 
>    __null_fs = 0xc04e0000, __null_gs = 0x0, orig_eax = 0xffffffff, 
>    eip = 0x1eae, cs = 0xc000, __csh = 0x0, eflags = 0x3200, esp = 0xffa, 
>    ss = 0x100, __ssh = 0x0, es = 0x0, __esh = 0x0, ds = 0x40, __dsh = 0x0, 
>    fs = 0x0, __fsh = 0x0, gs = 0x0, __gsh = 0x0}, flags = 0x0, 
>  screen_bitmap = 0x0, cpu_type = 0x5, int_revectored = {__map = {0xffffffff, 
>      0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 
>      0xffffffff}}, int21_revectored = {__map = {0xffffffff, 0xffffffff, 
>      0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 
>      0xffffffff}}}
>
>Registers after first call to vm86()
>
>(gdb) p/x *ptr
>$2 = {regs = {ebx = 0x1, ecx = 0x0, edx = 0xe02e, esi = 0x0, edi = 0x2000, 
>    ebp = 0x0, eax = 0x1, __null_ds = 0x0, __null_es = 0x0, 
>    __null_fs = 0xc04e0000, __null_gs = 0x0, orig_eax = 0xffffffff, 
>    eip = 0x5a72, cs = 0xc000, __csh = 0x0, eflags = 0x33286, esp = 0xfea, 
>    ss = 0x100, __ssh = 0x0, es = 0x0, __esh = 0x0, ds = 0x40, __dsh = 0x0, 
>    fs = 0x0, __fsh = 0x0, gs = 0x0, __gsh = 0x0}, flags = 0x0, 
>  screen_bitmap = 0x0, cpu_type = 0x5, int_revectored = {__map = {0xffffffff, 
>      0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 
>      0xffffffff}}, int21_revectored = {__map = {0xffffffff, 0xffffffff, 
>      0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 
>      0xffffffff}}}
>
>Registers after second call to vm86()
>
>$3 = {regs = {ebx = 0x100, ecx = 0x0, edx = 0xcf8, esi = 0x0, edi = 0x2000, 
>    ebp = 0x0, eax = 0x80010000, __null_ds = 0x0, __null_es = 0x0, 
>    __null_fs = 0xc04e0000, __null_gs = 0x0, orig_eax = 0xffffffff, 
>    eip = 0x5af9, cs = 0xc000, __csh = 0x0, eflags = 0x33886, esp = 0xfe6, 
>    ss = 0x100, __ssh = 0x0, es = 0x0, __esh = 0x0, ds = 0x40, __dsh = 0x0, 
>    fs = 0x0, __fsh = 0x0, gs = 0x0, __gsh = 0x0}, flags = 0x0, 
>  screen_bitmap = 0x0, cpu_type = 0x5, int_revectored = {__map = {0xffffffff, 
>      0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 
>      0xffffffff}}, int21_revectored = {__map = {0xffffffff, 0xffffffff, 
>      0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 
>      0xffffffff}}}
>
>Registers after third call to vm86()
>
>(gdb) p/x *ptr
>$4 = {regs = {ebx = 0x100, ecx = 0x0, edx = 0xcfc, esi = 0x0, edi = 0x2000, 
>    ebp = 0x0, eax = 0x80010000, __null_ds = 0x0, __null_es = 0x0, 
>    __null_fs = 0xc04e0000, __null_gs = 0x0, orig_eax = 0xffffffff, 
>    eip = 0x5afe, cs = 0xc000, __csh = 0x0, eflags = 0x33a86, esp = 0xfe6, 
>    ss = 0x100, __ssh = 0x0, es = 0x0, __esh = 0x0, ds = 0x40, __dsh = 0x0, 
>    fs = 0x0, __fsh = 0x0, gs = 0x0, __gsh = 0x0}, flags = 0x0, 
>  screen_bitmap = 0x0, cpu_type = 0x5, int_revectored = {__map = {0xffffffff, 
>      0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 
>      0xffffffff}}, int21_revectored = {__map = {0xffffffff, 0xffffffff, 
>      0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 
>      0xffffffff}}}
>
>...
>...
>
>(gdb) p/x *ptr
>$5 = {regs = {ebx = 0x1, ecx = 0x80, edx = 0xe02e, esi = 0x0, edi = 0x2000, 
>    ebp = 0x0, eax = 0x1, __null_ds = 0x0, __null_es = 0x0, 
>    __null_fs = 0xc04e0000, __null_gs = 0x0, orig_eax = 0xffffffff, 
>    eip = 0x5a72, cs = 0xc000, __csh = 0x0, eflags = 0x33286, esp = 0xfae, 
>    ss = 0x100, __ssh = 0x0, es = 0x0, __esh = 0x0, ds = 0x40, __dsh = 0x0, 
>    fs = 0x0, __fsh = 0x0, gs = 0x0, __gsh = 0x0}, flags = 0x0, 
>  screen_bitmap = 0x0, cpu_type = 0x5, int_revectored = {__map = {0xffffffff, 
>      0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 
>      0xffffffff}}, int21_revectored = {__map = {0xffffffff, 0xffffffff, 
>      0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 
>      0xffffffff}}}
>
>
>Register states after last call to vm86()
>
>(gdb) p/x *(struct vm86_struct*)pInt->cpuRegs
>$6 = {regs = {ebx = 0x1, ecx = 0x0, edx = 0x0, esi = 0x0, edi = 0x2000, 
>    ebp = 0x0, eax = 0x4f, __null_ds = 0x0, __null_es = 0x0, 
>    __null_fs = 0xc04e0000, __null_gs = 0x0, orig_eax = 0xffffffff, 
>    eip = 0x600, cs = 0x0, __csh = 0x0, eflags = 0x33202, esp = 0x1000, 
>    ss = 0x100, __ssh = 0x0, es = 0x0, __esh = 0x0, ds = 0x40, __dsh = 0x0, 
>    fs = 0x0, __fsh = 0x0, gs = 0x0, __gsh = 0x0}, flags = 0x0, 
>  screen_bitmap = 0x0, cpu_type = 0x5, int_revectored = {__map = {0xffffffff, 
>      0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 
>      0xffffffff}}, int21_revectored = {__map = {0xffffffff, 0xffffffff, 
>      0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 
>      0xffffffff}}}
>

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Attachments on bug 254024: 206251 | 289391 | 289411 | 289806 | 289807 | 290180 | 290181 | 290211 | 290212 | 290461 | 290688 | 291734 | 292069