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Diffstat (limited to 'zap/source/amd64/mem/memfill.S')
| -rw-r--r-- | zap/source/amd64/mem/memfill.S | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/zap/source/amd64/mem/memfill.S b/zap/source/amd64/mem/memfill.S deleted file mode 100644 index c38eec8..0000000 --- a/zap/source/amd64/mem/memfill.S +++ /dev/null @@ -1,34 +0,0 @@ -# Copyright 2022 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_memfill - -zap_memfill: -# Address of the current element: -#define addr %rdi -# Address of the element after the last element: -#define afterbuf %rsi -# Byte value: -#define val %dl - - addq addr,afterbuf # afterbuf += addr // afterbuf contains the number of bytes - - # Iterate over buffer: -.loop: - - # Check if we have reached the final element: - cmpq addr,afterbuf # if (addr == afterbuf) - je .done # goto done - - # Set the value of the current element: - movb val,(addr) # *addr = val - - # Continue to next element: - incq addr # ++addr - jmp .loop # goto loop - - # Finish: -.done: - - ret # return |