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Paul Mathieu
2025-09-24 00:53:43 +02:00
parent f46b13e044
commit 2bab877a7d
1 changed files with 12 additions and 4 deletions
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16
crt0.c
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@@ -4,10 +4,18 @@
int main(); int main();
asm ( asm (
".section .init \n" ".section .init \n"
".global _start \n" ".global _start \n"
"_start: \n" "_start: \n\t"
" jmp main \n" "mov %cs, %ax \n\t"
"mov %ax, %ds \n\t"
"mov %ax, %es \n\t"
"cli \n\t"
"mov %ax, %ss \n\t"
"mov $0x1000, %ax \n\t"
"mov %ax, %sp \n\t"
"sti \n\t"
"jmp main"
); );
void* memset(void* ptr, int val, size_t len) { void* memset(void* ptr, int val, size_t len) {