xemu-project/xemu
1
0
Fork 0
mirror of https://github.com/xemu-project/xemu.git synced 2024-11-23 19:49:43 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

target-i386: set G=1 in SMM big real mode selectors

Browse Source 
Because the limit field's bits 31:20 is 1, G should be 1.
VMX actually enforces this, let's do it for completeness
in QEMU as well.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2015-04-30 12:02:46 +02:00
parent 9982f74bad
commit b4854f1384
1 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
target-i386/smm_helper.c
View File

@ -177,22 +177,22 @@ void do_smm_enter(X86CPU *cpu)
cpu_x86_load_seg_cache(env, R_CS, (env->smbase >> 4) & 0xffff, env->smbase,
0xffffffff,
DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
DESC_A_MASK);
DESC_G_MASK | DESC_A_MASK);
cpu_x86_load_seg_cache(env, R_DS, 0, 0, 0xffffffff,
DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
DESC_A_MASK);
DESC_G_MASK | DESC_A_MASK);
cpu_x86_load_seg_cache(env, R_ES, 0, 0, 0xffffffff,
DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
DESC_A_MASK);
DESC_G_MASK | DESC_A_MASK);
cpu_x86_load_seg_cache(env, R_SS, 0, 0, 0xffffffff,
DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
DESC_A_MASK);
DESC_G_MASK | DESC_A_MASK);
cpu_x86_load_seg_cache(env, R_FS, 0, 0, 0xffffffff,
DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
DESC_A_MASK);
DESC_G_MASK | DESC_A_MASK);
cpu_x86_load_seg_cache(env, R_GS, 0, 0, 0xffffffff,
DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
DESC_A_MASK);
DESC_G_MASK | DESC_A_MASK);
}
void helper_rsm(CPUX86State *env)