diff options
Diffstat (limited to 'zap/source/amd64')
-rw-r--r-- | zap/source/amd64/bs/trap.s | 10 | ||||
-rw-r--r-- | zap/source/amd64/math/abs.s | 34 | ||||
-rw-r--r-- | zap/source/amd64/mem/cp.s | 66 | ||||
-rw-r--r-- | zap/source/amd64/mem/fill.s | 35 | ||||
-rw-r--r-- | zap/source/amd64/sys/syscall.s | 27 |
5 files changed, 0 insertions, 172 deletions
diff --git a/zap/source/amd64/bs/trap.s b/zap/source/amd64/bs/trap.s deleted file mode 100644 index 19c52a8..0000000 --- a/zap/source/amd64/bs/trap.s +++ /dev/null @@ -1,10 +0,0 @@ -# Copyright 2022-2023 Gabriel Jensen. -# This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. -# If a copy of the MPL was not distributed with this file, You can obtain one at <https://mozilla.org/MPL/2.0>. - -.intel_syntax noprefix - -.globl zap_trap - -zap_trap: - ud2 diff --git a/zap/source/amd64/math/abs.s b/zap/source/amd64/math/abs.s deleted file mode 100644 index 178b5a7..0000000 --- a/zap/source/amd64/math/abs.s +++ /dev/null @@ -1,34 +0,0 @@ -# Copyright 2022-2023 Gabriel Jensen. -# This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. -# If a copy of the MPL was not distributed with this file, You can obtain one at <https://mozilla.org/MPL/2.0>. - -.intel_syntax noprefix - -.globl zap_abs8 -.globl zap_abs01 -.globl zap_abs02 -.globl zap_abs04 - -zap_abs8: - mov al,dil - neg al # zap_i8 ret = -inv; // Invert the copy of the input value. This also tests the sign of the value. - cmovs ax,di # if (val < 0x0) ret = val; // If it was positive, just return the unmodified input. - ret # return ret; - -zap_abs01: - mov ax,di - neg ax - cmovs ax,di - ret - -zap_abs02: - mov eax,edi - neg eax - cmovs eax,edi - ret - -zap_abs04: - mov rax,rdi - neg rax - cmovs rax,rdi - ret diff --git a/zap/source/amd64/mem/cp.s b/zap/source/amd64/mem/cp.s deleted file mode 100644 index b0b91e5..0000000 --- a/zap/source/amd64/mem/cp.s +++ /dev/null @@ -1,66 +0,0 @@ -# Copyright 2022-2023 Gabriel Jensen. -# This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. -# If a copy of the MPL was not distributed with this file, You can obtain one at <https://mozilla.org/MPL/2.0>. - -.intel_syntax noprefix - -.globl zap_cp - -zap_cp: - # zap_i8 val1; - # zap_i04 val8; - # unsigned int128_t val01; - # unsigned int256_t val02; - -.big02cp: # big02cp:; // We assume AVX. - cmp rdx,0x20 - jl short .big01cp # if (rem < 0x20u) goto big01cp; - - vmovdqu ymm0,[rsi] # val02 = *(unsigned int256_t *)src; - vmovdqu [rdi],ymm0 # *(unsigned int256_t *)dest = val02; - - add rdi,0x20 # dest += 0x20u; - add rsi,0x20 # src += 0x20u; - sub rdx,0x20 # rem -= 0x20u; - jmp short .big02cp # goto big02cp; - -.big01cp: # big01cp:; - cmp rdx,0x10 - jl short .wrdcp # if (rem < 0x10u) goto wrdcp; - - movdqu xmm0,[rsi] # val01 = *(unsigned int128_t *)src; - movdqu [rdi],xmm0 # *(unsigned int128_t *)dest = val01; - - add rdi,0x10 # dest += 0x10u; - add rsi,0x10 # src += 0x10u; - sub rdx,0x10 # rem -= 0x10u; - jmp short .big01cp # goto big01cp; - -.wrdcp: # wrdcp:; - cmp rdx,0x8 - jl short .bytecp # if (rem < 0x8u) goto bytecp; - - mov rcx,[rsi] # val8 = *(zap_i04 *)src; - mov [rdi],rcx # *(zap_i04 *)dest = val8; - - add rsi,0x8 # dest += 0x8u; - add rdi,0x8 # src += 0x8u; - sub rdx,0x8 # rem -= 0x8u; - jmp short .wrdcp # goto wrdcp - -.bytecp: # bytecp:; - test rdx,rdx # if (rem == 0x0) - jz short .done # goto done - - mov cl,[rsi] # val1 = *(zap_i8 *)src; - mov [rdi],cl # *(zap_i8 *)dest = val1; - - inc rdi # ++dest; - inc rsi # ++src; - dec rdx # --rem; - jmp short .bytecp # goto bytecp; - -.done: - mov rax,rdi - mov rdx,rsi - ret # return (zap_cpret) {.dest = dest,.src = src}; diff --git a/zap/source/amd64/mem/fill.s b/zap/source/amd64/mem/fill.s deleted file mode 100644 index 8e3f5fd..0000000 --- a/zap/source/amd64/mem/fill.s +++ /dev/null @@ -1,35 +0,0 @@ -# Copyright 2022-2023 Gabriel Jensen. -# This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. -# If a copy of the MPL was not distributed with this file, You can obtain one at <https://mozilla.org/MPL/2.0>. - -.intel_syntax noprefix - -.globl zap_fill - -zap_fill: - movzx rsi,sil # zap_i04 extval = val; - mov rax,0x0101010101010101 # zap_i04 val = 0x0101010101010101u; - imul rax,rsi # val *= extval; - -.wrdfill: # wrdfill:; - cmp rdx,0x8 - jl short .bytefill # if (num < 0x8u) goto bytefill; - - mov [rdi],rax # *(zap_i04 *)dest = val8; - - add rdi,0x8 # dest += 0x8u; - sub rdx,0x8 # num -= 0x8u; - jmp short .wrdfill # goto wrdfill - -.bytefill: # bytefill:; - test rdx,rdx # if (rem == 0x0) - jz short .done # goto done - - mov [rdi],al # *(zap_i8 *)dest = val1; - - inc rdi # ++dest; - dec rdx # --rem; - jmp short .bytefill # goto bytefill; - -.done: - ret # return diff --git a/zap/source/amd64/sys/syscall.s b/zap/source/amd64/sys/syscall.s deleted file mode 100644 index f6a615a..0000000 --- a/zap/source/amd64/sys/syscall.s +++ /dev/null @@ -1,27 +0,0 @@ -# Copyright 2022-2023 Gabriel Jensen. -# This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. -# If a copy of the MPL was not distributed with this file, You can obtain one at <https://mozilla.org/MPL/2.0>. - -.globl zap_syscall - -zap_syscall: - # System calls on AMD64 use the following registers: - # rax : System call identifier - # rdi : First parameter - # rsi : Second parameter - # rdx : Third parameter - # r10 : Fourth parameter - # r8 : Fifth parameter - # r9 : Sixth parameter - # eax : Return value - # No registers to save. - movq %rdi,%rax # Move the first parameter (the identifier) to rax. - movq %rsi,%rdi # Move parameters into their designated registers. - movq %rdx,%rsi - movq %rcx,%rdx - movq %r8,%r10 # System calls use r10 instead of rcx. - movq %r9,%r8 - movq 0x8(%rsp),%r9 # Extract the sixth argument from the stack. - syscall # Slime incident - # No need to move the return value. - ret |