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Re: [Qemu-devel] [PATCH 2/4] Set eflags and cr0 prior to calling cpu_x86
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From: |
Richard Henderson |
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Subject: |
Re: [Qemu-devel] [PATCH 2/4] Set eflags and cr0 prior to calling cpu_x86_load_seg_cache() in smm_helper.c. |
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Date: |
Wed, 30 Apr 2014 09:54:10 -0700 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 |
On 04/29/2014 01:38 PM, Kevin O'Connor wrote:
> cpu_load_eflags(env, 0, ~(CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C |
> DF_MASK));
> env->eip = 0x00008000;
> + cpu_x86_update_cr0(env,
> + env->cr[0] & ~(CR0_PE_MASK | CR0_EM_MASK |
> CR0_TS_MASK |
> + CR0_PG_MASK));
> + cpu_x86_update_cr4(env, 0);
> + env->dr[7] = 0x00000400;
> + CC_OP = CC_OP_EFLAGS;
Please place the CC_OP update immediately after cpu_load_eflags.
r~