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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
This commit is contained in:
bellard 2008-06-06 12:08:46 +00:00
parent 7e15e60388
commit 262ffdae6f
1 changed files with 14 additions and 8 deletions
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22
target-i386/helper.c
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@ -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;
env->tr.flags = DESC_P_MASK | (11 < DESC_TYPE_SHIFT);
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);
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;