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Line 1... Line 1...
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init_fpu:
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init_fpu:
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           clts
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           clts
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           fninit
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           fninit
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           bt [cpu_caps], CAPS_FXSR
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           bt [cpu_caps], CAPS_SSE
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           jnc .no_FXSR
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           jnc .no_SSE
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           stdcall kernel_alloc, 512*256
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           stdcall kernel_alloc, 512*256
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           xorps xmm6, xmm6
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           xorps xmm6, xmm6
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           xorps xmm7, xmm7
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           xorps xmm7, xmm7
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           fxsave [eax]
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           fxsave [eax]
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           ret
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           ret
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.no_FXSR:
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.no_SSE:
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           stdcall kernel_alloc, 112*256
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           stdcall kernel_alloc, 112*256
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           mov [fpu_data], eax
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           mov [fpu_data], eax
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           mov ecx, cr0
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           mov ecx, cr0
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           and ecx, not CR0_EM
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           and ecx, not CR0_EM
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           or ecx, CR0_MP+CR0_NE
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           or ecx, CR0_MP+CR0_NE
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           mov cr0, ecx
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           mov cr0, ecx
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           mov eax, [ebx+PROC_BASE+0x10]
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           mov eax, [ebx+PROC_BASE+0x10]
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           mov ebx, [CURRENT_TASK]
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           mov ebx, [CURRENT_TASK]
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           mov [fpu_owner], ebx
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           mov [fpu_owner], ebx
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           bt [cpu_caps], CAPS_FXSR
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           bt [cpu_caps], CAPS_SSE
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           jnc .no_SSE
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           jnc .no_SSE
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           fxsave [eax]
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           fxsave [eax]
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           fninit            ;re-init fpu
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           fninit            ;re-init fpu
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proc fpu_restore
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proc fpu_restore
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           mov ebx, [CURRENT_TASK]
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           mov ebx, [CURRENT_TASK]
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           shl ebx, 8
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           shl ebx, 8
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           mov eax, [ebx+PROC_BASE+0x10]
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           mov eax, [ebx+PROC_BASE+0x10]
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           bt [cpu_caps], CAPS_FXSR
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           bt [cpu_caps], CAPS_SSE
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           jnc .no_SSE
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           jnc .no_SSE
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           fxrstor [eax]
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           fxrstor [eax]
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           ret
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           ret
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.no_SSE:
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.no_SSE:
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        je .exit
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        je .exit
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        shl ebx, 8
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        shl ebx, 8
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        mov eax, [ebx+PROC_BASE+APPDATA.fpu_state]
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        mov eax, [ebx+PROC_BASE+APPDATA.fpu_state]
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        bt [cpu_caps], CAPS_FXSR
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        bt [cpu_caps], CAPS_SSE
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        jnc .no_SSE
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        jnc .no_SSE
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        fxsave [eax]
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        fxsave [eax]
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        mov ebx, [CURRENT_TASK]
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        mov ebx, [CURRENT_TASK]