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Fit mips write return value

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This commit is contained in:
Lucas Schumacher 2025-04-14 17:53:51 -04:00
parent a8594606c3
commit 8a01908b1c
1 changed files with 7 additions and 6 deletions
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13
arch/mips.c
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@ -15,14 +15,15 @@ void exit(int8_t status){
intptr_t write(int32_t fd, const void* buf, intptr_t size){ intptr_t write(int32_t fd, const void* buf, intptr_t size){
intptr_t n_written = 0; intptr_t n_written = 0;
asm ( asm volatile (
"move $a0, %2\n" "move $a0, %1\n"
"move $a1, %0\n" "move $a1, %2\n"
"move $a2, %1\n" "move $a2, %3\n"
"li $v0, 4004\n" "li $v0, 4004\n"
"syscall\n" "syscall\n"
: //TODO: n_written "move %0, $v0\n"
: "r"(buf), "r"(size), "r"(fd) : "=r"(n_written)
: "r"(fd), "r"(buf), "r"(size)
: "a0", "a1", "a2", "v0" //TODO: temp registers clobbered by syscall should probably also be listed but this fn returns right away so it should be fine? : "a0", "a1", "a2", "v0" //TODO: temp registers clobbered by syscall should probably also be listed but this fn returns right away so it should be fine?
); );
return n_written; return n_written;