Date: Thu, 5 Aug 2010 19:12:36 +0000 (UTC) From: Jung-uk Kim <jkim@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r210885 - head/sys/compat/x86bios Message-ID: <201008051912.o75JCaoO079890@svn.freebsd.org>
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Author: jkim Date: Thu Aug 5 19:12:35 2010 New Revision: 210885 URL: http://svn.freebsd.org/changeset/base/210885 Log: Do not copy stack pointer and flags. These registers are unconditionally destroyed from vm86_prepcall(). Modified: head/sys/compat/x86bios/x86bios.c Modified: head/sys/compat/x86bios/x86bios.c ============================================================================== --- head/sys/compat/x86bios/x86bios.c Thu Aug 5 19:11:13 2010 (r210884) +++ head/sys/compat/x86bios/x86bios.c Thu Aug 5 19:12:35 2010 (r210885) @@ -84,13 +84,10 @@ x86bios_emu2vmf(struct x86emu_regs *regs 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, s 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;
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