3 files changed, 67 insertions, 5 deletions
diff --git a/zap/source/amd64/bs/trap.s b/zap/source/amd64/bs/trap.s
new file mode 100644
index 0000000..93138e5
--- /dev/null
+++ b/zap/source/amd64/bs/trap.s
@@ -0,0 +1,10 @@
+# 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_priv_trap
+
+zap_priv_trap:
+ ud2
diff --git a/zap/source/amd64/mem/cp.s b/zap/source/amd64/mem/cp.s
index 5985f04..57e716f 100644
--- a/zap/source/amd64/mem/cp.s
+++ b/zap/source/amd64/mem/cp.s
@@ -9,21 +9,22 @@
 zap_cp:
 # zap_i8 val1;
 # zap_i04 val8;
+ # unsigned int128_t val01;
 # unsigned int256_t val02;
 
 .big02cp:
 cmp rdx,0x20
 jl .big01cp # if (num < 0x20u) goto big01cp;
 
- vmovups ymm0,[rsi] # val01 = *src;
- vmovups [rdi],ymm0 # *dest = val01;
+ vmovups ymm0,[rsi] # val02 = *src;
+ vmovups [rdi],ymm0 # *dest = val02;
 
 add rsi,0x20 # dest += 0x20u;
 add rdi,0x20 # src += 0x20u;
 sub rdx,0x20 # num -= 0x20u;
 jmp .big02cp # goto big02cp;
 
-.big01cp:
+.big01cp: # big01cp:;
 cmp rdx,0x10
 jl .wrdcp # if (num < 0x10u) goto wrdcp;
 
@@ -35,7 +36,7 @@ zap_cp:
 sub rdx,0x10 # num -= 0x10u;
 jmp .big01cp # goto big01cp;
 
-.wrdcp:
+.wrdcp: # wrdcp:;
 cmp rdx,0x8
 jl .bytecp # if (num < 0x8u) goto bytecp;
 
@@ -47,7 +48,7 @@ zap_cp:
 sub rdx,0x8 # num -= 0x8u;
 jmp .wrdcp # goto wrdcp
 
-.bytecp:
+.bytecp: # bytecp:;
 test rdx,rdx # if (rem == 0x0)
 jz .done # goto done
 
diff --git a/zap/source/amd64/mem/fill.s b/zap/source/amd64/mem/fill.s
new file mode 100644
index 0000000..0abd2be
--- /dev/null
+++ b/zap/source/amd64/mem/fill.s
@@ -0,0 +1,51 @@
+# 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:
+ # zap_i8 val1;
+ # zap_i04 val8;
+
+ movzx rax,sil # val8 = val;
+ shl rax,0x8 # val8 <<= 0x8u;
+ mov al,sil # val8 |= val;
+ shl rax,0x8 # val8 <<= 0x8u;
+ mov al,sil # val8 |= val;
+ shl rax,0x8 # val8 <<= 0x8u;
+ mov al,sil # val8 |= val;
+ shl rax,0x8 # val8 <<= 0x8u;
+ mov al,sil # val8 |= val;
+ shl rax,0x8 # val8 <<= 0x8u;
+ mov al,sil # val8 |= val;
+ shl rax,0x8 # val8 <<= 0x8u;
+ mov al,sil # val8 |= val;
+ shl rax,0x8 # val8 <<= 0x8u;
+ mov al,sil # val8 |= val;
+ # val1 = val8;
+
+.wrdfill: # wrdfill:;
+ cmp rdx,0x8
+ jl .bytefill # if (num < 0x8u) goto bytefill;
+
+ mov [rdi],rax # *dest = val8;
+
+ add rdi,0x8 # dest += 0x8u;
+ sub rdx,0x8 # num -= 0x8u;
+ jmp .wrdfill # goto wrdfill
+
+.bytefill: # bytefill:;
+ test rdx,rdx # if (rem == 0x0)
+ jz .done # goto done
+
+ mov [rsi],al # *dest = val1;
+
+ inc rdi # ++dest;
+ dec rdx # --rem;
+ jmp .bytefill # goto bytefill;
+
+.done:
+ ret # return