mirror of https://github.com/wolfSSL/wolfssl
store non volatile xmm6-15 for aesni on microsoft
This commit is contained in:
toddouska
parent
2494217a87
commit
d728474ef3
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@ -47,6 +47,7 @@ AES_CBC_encrypt PROC
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mov rax,rdi
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mov r11,rsi
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; convert to what we had for att&t convention
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mov rdi,rcx
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mov rsi,rdx
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mov rdx,r8
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@ -93,6 +94,7 @@ LAST:
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aesenclast xmm1,xmm2
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movdqu [rsi],xmm1
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jne LOOP_1
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; restore non volatile rdi,rsi
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mov rdi,rax
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mov rsi,r11
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ret
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@ -121,6 +123,7 @@ AES_CBC_decrypt PROC
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mov rax,rdi
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mov r11,rsi
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; convert to what we had for att&t convention
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mov rdi,rcx
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mov rsi,rdx
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mov rdx,r8
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@ -128,6 +131,17 @@ AES_CBC_decrypt PROC
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mov r8,[rsp+40]
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mov r9d,[rsp+48]
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; on microsoft xmm6-xmm15 are non volaitle, let's save on stack and restore at end
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sub rsp,8+8*64 ; 8 = align stack , 8 xmm6-12,15 8 bytes each
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movdqa xmm6, [rsp+0]
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movdqa xmm7, [rsp+16]
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movdqa xmm8, [rsp+32]
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movdqa xmm9, [rsp+48]
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movdqa xmm10, [rsp+64]
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movdqa xmm11, [rsp+80]
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movdqa xmm12, [rsp+96]
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movdqa xmm15, [rsp+112]
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mov r10,rcx
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shr rcx,4
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shl r10,60
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@ -286,8 +300,19 @@ DLAST_4_2:
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dec r10
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jne DLOOP_4_2
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DEND_4:
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; restore non volatile rdi,rsi
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mov rdi,rax
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mov rsi,r11
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; restore non volatile xmms from stack
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movdqa [rsp+0], xmm6
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movdqa [rsp+16], xmm7
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movdqa [rsp+32], xmm8
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movdqa [rsp+48], xmm9
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movdqa [rsp+64], xmm10
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movdqa [rsp+80], xmm11
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movdqa [rsp+96], xmm12
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movdqa [rsp+112], xmm15
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add rsp,8+8*64 ; 8 = align stack , 8 xmm6-12,15 8 bytes each
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ret
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AES_CBC_decrypt ENDP
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@ -310,12 +335,21 @@ AES_ECB_encrypt PROC
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mov rax,rdi
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mov r11,rsi
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; convert to what we had for att&t convention
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mov rdi,rcx
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mov rsi,rdx
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mov rdx,r8
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mov rcx,r9
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mov r8d,[rsp+40]
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; on microsoft xmm6-xmm15 are non volaitle, let's save on stack and restore at end
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sub rsp,8+4*64 ; 8 = align stack , 4 xmm9-12, 8 bytes each
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movdqa xmm9, [rsp+0]
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movdqa xmm10, [rsp+16]
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movdqa xmm11, [rsp+32]
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movdqa xmm12, [rsp+48]
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mov r10,rdx
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shr rdx,4
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shl r10,60
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@ -458,8 +492,15 @@ EECB_LAST_4_2:
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dec r10
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jne EECB_LOOP_4_2
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EECB_END_4:
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; restore non volatile rdi,rsi
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mov rdi,rax
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mov rsi,r11
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; restore non volatile xmms from stack
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movdqa [rsp+0], xmm9
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movdqa [rsp+16], xmm10
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movdqa [rsp+32], xmm11
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movdqa [rsp+48], xmm12
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add rsp,8+4*64 ; 8 = align stack , 4 xmm9-12 8 bytes each
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ret
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AES_ECB_encrypt ENDP
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@ -482,12 +523,20 @@ AES_ECB_decrypt PROC
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mov rax,rdi
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mov r11,rsi
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; convert to what we had for att&t convention
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mov rdi,rcx
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mov rsi,rdx
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mov rdx,r8
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mov rcx,r9
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mov r8d,[rsp+40]
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; on microsoft xmm6-xmm15 are non volaitle, let's save on stack and restore at end
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sub rsp,8+4*64 ; 8 = align stack , 4 xmm9-12, 8 bytes each
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movdqa xmm9, [rsp+0]
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movdqa xmm10, [rsp+16]
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movdqa xmm11, [rsp+32]
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movdqa xmm12, [rsp+48]
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mov r10,rdx
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shr rdx,4
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shl r10,60
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@ -630,8 +679,15 @@ DECB_LAST_4_2:
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dec r10
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jne DECB_LOOP_4_2
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DECB_END_4:
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; restore non volatile rdi,rsi
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mov rdi,rax
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mov rsi,r11
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; restore non volatile xmms from stack
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movdqa [rsp+0], xmm9
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movdqa [rsp+16], xmm10
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movdqa [rsp+32], xmm11
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movdqa [rsp+48], xmm12
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add rsp,8+4*64 ; 8 = align stack , 4 xmm9-12 8 bytes each
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ret
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AES_ECB_decrypt ENDP
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@ -651,6 +707,7 @@ AES_128_Key_Expansion PROC
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mov rax,rdi
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mov r11,rsi
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; convert to what we had for att&t convention
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mov rdi,rcx
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mov rsi,rdx
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@ -697,6 +754,7 @@ ASSISTS:
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aeskeygenassist xmm2,xmm1,36h
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call PREPARE_ROUNDKEY_128
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movdqa 160[rsi],xmm1
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; restore non volatile rdi,rsi
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mov rdi,rax
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mov rsi,r11
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ret
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@ -727,9 +785,14 @@ AES_192_Key_Expansion PROC
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mov rax,rdi
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mov r11,rsi
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; convert to what we had for att&t convention
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mov rdi,rcx
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mov rsi,rdx
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; on microsoft xmm6-xmm15 are non volaitle, let's save on stack and restore at end
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sub rsp,8+1*64 ; 8 = align stack , 1 xmm6, 8 bytes each
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movdqa xmm6, [rsp+0]
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movdqu xmm1,[rdi]
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movdqu xmm3,16[rdi]
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movdqa [rsi],xmm1
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@ -786,8 +849,12 @@ AES_192_Key_Expansion PROC
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call PREPARE_ROUNDKEY_192
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movdqa 192[rsi],xmm1
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movdqa 208[rsi],xmm3
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; restore non volatile rdi,rsi
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mov rdi,rax
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mov rsi,r11
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; restore non volatile xmms from stack
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movdqa [rsp+0], xmm6
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add rsp,8+1*64 ; 8 = align stack , 1 xmm6 8 bytes each
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ret
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PREPARE_ROUNDKEY_192:
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@ -822,6 +889,7 @@ AES_256_Key_Expansion PROC
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mov rax,rdi
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mov r11,rsi
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; convert to what we had for att&t convention
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mov rdi,rcx
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mov rsi,rdx
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@ -871,6 +939,7 @@ AES_256_Key_Expansion PROC
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call MAKE_RK256_a
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movdqa 224[rsi],xmm1
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; restore non volatile rdi,rsi
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mov rdi,rax
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mov rsi,r11
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ret
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