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Do not copy stack pointer and flags. These registers are unconditionally

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destroyed from vm86_prepcall().
This commit is contained in:
Jung-uk Kim 2010-08-05 19:12:35 +00:00
parent bbbb114cda
commit c5e960de35
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=210885
1 changed files with 0 additions and 6 deletions
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6
sys/compat/x86bios/x86bios.c
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@ -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;