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| author | Jung-uk Kim <jkim@FreeBSD.org> | 2010-08-05 19:12:35 +0000 |
|---|---|---|
| committer | Jung-uk Kim <jkim@FreeBSD.org> | 2010-08-05 19:12:35 +0000 |
| commit | c5e960de354760a262c705c12616444a56ad84ff (patch) | |
| tree | d3dbdeff07f3477ce4ed6607784a1e6f83111adc /sys/compat | |
| parent | bbbb114cdaf51834e7b2b6c6187b8a57f273c4cb (diff) | |
| download | src-c5e960de354760a262c705c12616444a56ad84ff.tar.gz src-c5e960de354760a262c705c12616444a56ad84ff.zip | |
Do not copy stack pointer and flags. These registers are unconditionally
destroyed from vm86_prepcall().
Notes
Notes:
svn path=/head/; revision=210885
Diffstat (limited to 'sys/compat')
| -rw-r--r-- | sys/compat/x86bios/x86bios.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/sys/compat/x86bios/x86bios.c b/sys/compat/x86bios/x86bios.c index 94b2869bbb7c..9fd4dc34addf 100644 --- a/sys/compat/x86bios/x86bios.c +++ b/sys/compat/x86bios/x86bios.c @@ -84,13 +84,10 @@ x86bios_emu2vmf(struct x86emu_regs *regs, struct vm86frame *vmf) vmf->vmf_ds = regs->R_DS; vmf->vmf_es = regs->R_ES; - vmf->vmf_ss = regs->R_SS; - vmf->vmf_flags = regs->R_FLG; vmf->vmf_ax = regs->R_AX; vmf->vmf_bx = regs->R_BX; vmf->vmf_cx = regs->R_CX; vmf->vmf_dx = regs->R_DX; - vmf->vmf_sp = regs->R_SP; vmf->vmf_bp = regs->R_BP; vmf->vmf_si = regs->R_SI; vmf->vmf_di = regs->R_DI; @@ -102,13 +99,10 @@ x86bios_vmf2emu(struct vm86frame *vmf, struct x86emu_regs *regs) regs->R_DS = vmf->vmf_ds; regs->R_ES = vmf->vmf_es; - regs->R_SS = vmf->vmf_ss; - regs->R_FLG = vmf->vmf_flags; regs->R_AX = vmf->vmf_ax; regs->R_BX = vmf->vmf_bx; regs->R_CX = vmf->vmf_cx; regs->R_DX = vmf->vmf_dx; - regs->R_SP = vmf->vmf_sp; regs->R_BP = vmf->vmf_bp; regs->R_SI = vmf->vmf_si; regs->R_DI = vmf->vmf_di; |