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; CR0 Flags - Protected mode and Paging
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; CR0 Flags - Protected mode and Paging
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           mov eax, sys_pgdir     ;+PG_NOCACHE
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           mov eax, sys_pgdir     ;+PG_NOCACHE
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           mov cr3, eax
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           mov cr3, eax
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           mov     eax,cr0
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           mov eax,cr0
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           or      eax,0x80000000
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           or eax,CR0_PG
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           mov     cr0,eax
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           mov cr0,eax
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           mov edi, eax
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           mov edi, eax
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           mov esi, szKernel
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           mov esi, szKernel
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           mov ecx, 16
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           mov ecx, 16
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           rep movsb
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           rep movsb
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           clts
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           fninit
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           bt [cpu_caps], CAPS_FXSR
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           bt [cpu_caps], CAPS_FXSR
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           jnc .no_FXSR
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           jnc .no_FXSR
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- 
 
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           stdcall kernel_alloc, 512*256
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           stdcall kernel_alloc, 512*256
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           mov [fpu_data], eax
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           mov [fpu_data], eax
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           mov ebx, cr4
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           mov ebx, cr4
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           mov ecx, cr0
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           or ebx, CR4_OSFXSR+CR4_OSXMMEXPT
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           mov cr4, ebx
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           and ecx, not (CR0_MP+CR0_EM)
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           or ecx, CR0_NE
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           mov cr0, ecx
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           mov dword [esp-4], SSE_INIT
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           ldmxcsr [esp-4]
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           xorps xmm0, xmm0
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           xorps xmm1, xmm1
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           xorps xmm2, xmm2
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           xorps xmm3, xmm3
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           xorps xmm4, xmm4
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           xorps xmm5, xmm5
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           xorps xmm6, xmm6
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           or ebx, CR4_OSFXSR
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           xorps xmm7, xmm7
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           mov cr4, ebx
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           jmp .clts
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           jmp .set_cr
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.no_FXSR:
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.no_FXSR:
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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 ebx, cr4
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           mov ecx, cr0
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           and ebx, not (CR4_OSFXSR+CR4_OSXMMEXPT)
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           and ecx, not CR0_EM
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           mov ebx, cr4
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           or ecx, CR0_MP+CR0_NE
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           and ebx, not (CR4_OSFXSR+CR4_OSXMMEXPT)
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           mov cr0, ecx
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           mov cr4, ebx
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.clts:
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           clts
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           fninit
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           mov cr4, ebx
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.set_cr:
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           mov edi, irq_tab
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           mov edi, irq_tab
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           xor eax, eax
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           xor eax, eax