mirror of
https://github.com/anrieff/libcpuid
synced 2025-10-13 11:10:39 +00:00
2834683640
- move the INLINE_ASM_SUPPORTED guards outside the body of exec_cpuid, as suggested by Genoil; - copy the asm code of busy_sse_loop to masm-x64.asm. Some fixup was required, because the microsoft calling convention doesn't expect xmm6 & xmm7 to be clobbered in functions. Confirmed that --clock-ic from cpuid_tool works with the resulting library.
359 lines
6.1 KiB
NASM
359 lines
6.1 KiB
NASM
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.code
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; procedure exec_cpuid
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; Signature: void exec_cpiud(uint32_t *regs)
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exec_cpuid Proc
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push rbx
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push rcx
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push rdx
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push rdi
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mov rdi, rcx
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mov eax, [rdi]
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mov ebx, [rdi+4]
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mov ecx, [rdi+8]
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mov edx, [rdi+12]
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cpuid
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mov [rdi], eax
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mov [rdi+4], ebx
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mov [rdi+8], ecx
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mov [rdi+12], edx
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pop rdi
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pop rdx
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pop rcx
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pop rbx
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ret
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exec_cpuid endp
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; procedure cpu_rdtsc
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; Signature: void cpu_rdtsc(uint64_t *result)
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cpu_rdtsc Proc
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push rdx
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rdtsc
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mov [rcx], eax
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mov [rcx+4], edx
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pop rdx
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ret
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cpu_rdtsc endp
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; procedure busy_sse_loop
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; Signature: void busy_sse_loop(int cycles)
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busy_sse_loop Proc
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; save xmm6 & xmm7 into the shadow area, as Visual C++ 2008
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; expects that we don't touch them:
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movups [rsp + 8], xmm6
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movups [rsp + 24], xmm7
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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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xorps xmm7, xmm7
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; --
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align 16
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bsLoop:
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; 0:
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addps xmm0, xmm1
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addps xmm1, xmm2
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addps xmm2, xmm3
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addps xmm3, xmm4
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addps xmm4, xmm5
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addps xmm5, xmm6
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addps xmm6, xmm7
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addps xmm7, xmm0
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; 1:
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addps xmm0, xmm1
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addps xmm1, xmm2
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addps xmm2, xmm3
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addps xmm3, xmm4
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addps xmm4, xmm5
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addps xmm5, xmm6
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addps xmm6, xmm7
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addps xmm7, xmm0
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; 2:
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addps xmm0, xmm1
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addps xmm1, xmm2
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addps xmm2, xmm3
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addps xmm3, xmm4
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addps xmm4, xmm5
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addps xmm5, xmm6
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addps xmm6, xmm7
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addps xmm7, xmm0
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; 3:
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addps xmm0, xmm1
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addps xmm1, xmm2
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addps xmm2, xmm3
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addps xmm3, xmm4
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addps xmm4, xmm5
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addps xmm5, xmm6
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addps xmm6, xmm7
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addps xmm7, xmm0
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; 4:
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addps xmm0, xmm1
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addps xmm1, xmm2
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addps xmm2, xmm3
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addps xmm3, xmm4
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addps xmm4, xmm5
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addps xmm5, xmm6
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addps xmm6, xmm7
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addps xmm7, xmm0
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; 5:
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addps xmm0, xmm1
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addps xmm1, xmm2
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addps xmm2, xmm3
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addps xmm3, xmm4
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addps xmm4, xmm5
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addps xmm5, xmm6
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addps xmm6, xmm7
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addps xmm7, xmm0
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; 6:
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addps xmm0, xmm1
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addps xmm1, xmm2
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addps xmm2, xmm3
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addps xmm3, xmm4
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addps xmm4, xmm5
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addps xmm5, xmm6
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addps xmm6, xmm7
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addps xmm7, xmm0
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; 7:
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addps xmm0, xmm1
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addps xmm1, xmm2
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addps xmm2, xmm3
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addps xmm3, xmm4
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addps xmm4, xmm5
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addps xmm5, xmm6
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addps xmm6, xmm7
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addps xmm7, xmm0
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; 8:
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addps xmm0, xmm1
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addps xmm1, xmm2
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addps xmm2, xmm3
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addps xmm3, xmm4
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addps xmm4, xmm5
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addps xmm5, xmm6
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addps xmm6, xmm7
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addps xmm7, xmm0
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; 9:
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addps xmm0, xmm1
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addps xmm1, xmm2
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addps xmm2, xmm3
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addps xmm3, xmm4
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addps xmm4, xmm5
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addps xmm5, xmm6
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addps xmm6, xmm7
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addps xmm7, xmm0
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; 10:
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addps xmm0, xmm1
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addps xmm1, xmm2
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addps xmm2, xmm3
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addps xmm3, xmm4
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addps xmm4, xmm5
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addps xmm5, xmm6
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addps xmm6, xmm7
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addps xmm7, xmm0
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; 11:
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addps xmm0, xmm1
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addps xmm1, xmm2
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addps xmm2, xmm3
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addps xmm3, xmm4
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addps xmm4, xmm5
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addps xmm5, xmm6
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addps xmm6, xmm7
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addps xmm7, xmm0
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; 12:
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addps xmm0, xmm1
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addps xmm1, xmm2
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addps xmm2, xmm3
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addps xmm3, xmm4
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addps xmm4, xmm5
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addps xmm5, xmm6
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addps xmm6, xmm7
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addps xmm7, xmm0
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; 13:
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addps xmm0, xmm1
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addps xmm1, xmm2
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addps xmm2, xmm3
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addps xmm3, xmm4
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addps xmm4, xmm5
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addps xmm5, xmm6
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addps xmm6, xmm7
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addps xmm7, xmm0
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; 14:
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addps xmm0, xmm1
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addps xmm1, xmm2
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addps xmm2, xmm3
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addps xmm3, xmm4
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addps xmm4, xmm5
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addps xmm5, xmm6
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addps xmm6, xmm7
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addps xmm7, xmm0
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; 15:
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addps xmm0, xmm1
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addps xmm1, xmm2
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addps xmm2, xmm3
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addps xmm3, xmm4
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addps xmm4, xmm5
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addps xmm5, xmm6
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addps xmm6, xmm7
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addps xmm7, xmm0
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; 16:
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addps xmm0, xmm1
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addps xmm1, xmm2
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addps xmm2, xmm3
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addps xmm3, xmm4
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addps xmm4, xmm5
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addps xmm5, xmm6
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addps xmm6, xmm7
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addps xmm7, xmm0
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; 17:
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addps xmm0, xmm1
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addps xmm1, xmm2
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addps xmm2, xmm3
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addps xmm3, xmm4
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addps xmm4, xmm5
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addps xmm5, xmm6
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addps xmm6, xmm7
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addps xmm7, xmm0
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; 18:
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addps xmm0, xmm1
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addps xmm1, xmm2
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addps xmm2, xmm3
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addps xmm3, xmm4
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addps xmm4, xmm5
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addps xmm5, xmm6
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addps xmm6, xmm7
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addps xmm7, xmm0
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; 19:
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addps xmm0, xmm1
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addps xmm1, xmm2
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addps xmm2, xmm3
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addps xmm3, xmm4
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addps xmm4, xmm5
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addps xmm5, xmm6
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addps xmm6, xmm7
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addps xmm7, xmm0
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; 20:
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addps xmm0, xmm1
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addps xmm1, xmm2
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addps xmm2, xmm3
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addps xmm3, xmm4
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addps xmm4, xmm5
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addps xmm5, xmm6
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addps xmm6, xmm7
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addps xmm7, xmm0
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; 21:
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addps xmm0, xmm1
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addps xmm1, xmm2
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addps xmm2, xmm3
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addps xmm3, xmm4
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addps xmm4, xmm5
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addps xmm5, xmm6
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addps xmm6, xmm7
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addps xmm7, xmm0
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; 22:
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addps xmm0, xmm1
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addps xmm1, xmm2
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addps xmm2, xmm3
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addps xmm3, xmm4
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addps xmm4, xmm5
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addps xmm5, xmm6
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addps xmm6, xmm7
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addps xmm7, xmm0
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; 23:
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addps xmm0, xmm1
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addps xmm1, xmm2
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addps xmm2, xmm3
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addps xmm3, xmm4
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addps xmm4, xmm5
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addps xmm5, xmm6
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addps xmm6, xmm7
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addps xmm7, xmm0
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; 24:
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addps xmm0, xmm1
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addps xmm1, xmm2
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addps xmm2, xmm3
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addps xmm3, xmm4
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addps xmm4, xmm5
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addps xmm5, xmm6
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addps xmm6, xmm7
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addps xmm7, xmm0
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; 25:
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addps xmm0, xmm1
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addps xmm1, xmm2
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addps xmm2, xmm3
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addps xmm3, xmm4
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addps xmm4, xmm5
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addps xmm5, xmm6
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addps xmm6, xmm7
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addps xmm7, xmm0
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; 26:
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addps xmm0, xmm1
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addps xmm1, xmm2
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addps xmm2, xmm3
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addps xmm3, xmm4
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addps xmm4, xmm5
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addps xmm5, xmm6
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addps xmm6, xmm7
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addps xmm7, xmm0
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; 27:
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addps xmm0, xmm1
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addps xmm1, xmm2
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addps xmm2, xmm3
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addps xmm3, xmm4
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addps xmm4, xmm5
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addps xmm5, xmm6
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addps xmm6, xmm7
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addps xmm7, xmm0
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; 28:
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addps xmm0, xmm1
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addps xmm1, xmm2
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addps xmm2, xmm3
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addps xmm3, xmm4
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addps xmm4, xmm5
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addps xmm5, xmm6
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addps xmm6, xmm7
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addps xmm7, xmm0
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; 29:
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addps xmm0, xmm1
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addps xmm1, xmm2
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addps xmm2, xmm3
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addps xmm3, xmm4
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addps xmm4, xmm5
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addps xmm5, xmm6
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addps xmm6, xmm7
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addps xmm7, xmm0
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; 30:
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addps xmm0, xmm1
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addps xmm1, xmm2
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addps xmm2, xmm3
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addps xmm3, xmm4
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addps xmm4, xmm5
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addps xmm5, xmm6
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addps xmm6, xmm7
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addps xmm7, xmm0
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; 31:
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addps xmm0, xmm1
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addps xmm1, xmm2
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addps xmm2, xmm3
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addps xmm3, xmm4
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addps xmm4, xmm5
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addps xmm5, xmm6
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addps xmm6, xmm7
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addps xmm7, xmm0
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; ----------------------
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dec ecx
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jnz bsLoop
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; restore xmm6 & xmm7:
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movups xmm6, [rsp + 8]
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movups xmm7, [rsp + 24]
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ret
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busy_sse_loop endp
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END
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