From 262ffdae6fdad3f6dab855a090543f5faa77ec96 Mon Sep 17 00:00:00 2001 From: bellard Date: Fri, 6 Jun 2008 12:08:46 +0000 Subject: Fix i386 segment descriptor types on reset (Avi Kivity) git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4686 c046a42c-6fe2-441c-8c8c-71466251a162 --- target-i386/helper.c | 24 +++++++++++++++--------- 1 file changed, 15 insertions(+), 9 deletions(-) (limited to 'target-i386') diff --git a/target-i386/helper.c b/target-i386/helper.c index d3bfb9aca3..856d8965d9 100644 --- a/target-i386/helper.c +++ b/target-i386/helper.c @@ -383,16 +383,22 @@ void cpu_reset(CPUX86State *env) env->idt.limit = 0xffff; env->gdt.limit = 0xffff; env->ldt.limit = 0xffff; - env->ldt.flags = DESC_P_MASK; + env->ldt.flags = DESC_P_MASK | (2 << DESC_TYPE_SHIFT); env->tr.limit = 0xffff; - env->tr.flags = DESC_P_MASK; - - cpu_x86_load_seg_cache(env, R_CS, 0xf000, 0xffff0000, 0xffff, 0); - cpu_x86_load_seg_cache(env, R_DS, 0, 0, 0xffff, 0); - cpu_x86_load_seg_cache(env, R_ES, 0, 0, 0xffff, 0); - cpu_x86_load_seg_cache(env, R_SS, 0, 0, 0xffff, 0); - cpu_x86_load_seg_cache(env, R_FS, 0, 0, 0xffff, 0); - cpu_x86_load_seg_cache(env, R_GS, 0, 0, 0xffff, 0); + env->tr.flags = DESC_P_MASK | (11 < DESC_TYPE_SHIFT); + + cpu_x86_load_seg_cache(env, R_CS, 0xf000, 0xffff0000, 0xffff, + DESC_P_MASK | DESC_S_MASK | DESC_CS_MASK | DESC_R_MASK); + cpu_x86_load_seg_cache(env, R_DS, 0, 0, 0xffff, + DESC_P_MASK | DESC_S_MASK | DESC_W_MASK); + cpu_x86_load_seg_cache(env, R_ES, 0, 0, 0xffff, + DESC_P_MASK | DESC_S_MASK | DESC_W_MASK); + cpu_x86_load_seg_cache(env, R_SS, 0, 0, 0xffff, + DESC_P_MASK | DESC_S_MASK | DESC_W_MASK); + cpu_x86_load_seg_cache(env, R_FS, 0, 0, 0xffff, + DESC_P_MASK | DESC_S_MASK | DESC_W_MASK); + cpu_x86_load_seg_cache(env, R_GS, 0, 0, 0xffff, + DESC_P_MASK | DESC_S_MASK | DESC_W_MASK); env->eip = 0xfff0; env->regs[R_EDX] = env->cpuid_version; -- cgit v1.2.3