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Add puts_uart.

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This commit is contained in:
Andy Nguyen
2026-05-13 07:08:28 +02:00
parent 50b28fb8c1
commit 81e2b00059
3 changed files with 27 additions and 76 deletions
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17
shellcode_kernel/utils.c
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@@ -74,3 +74,20 @@ __attribute__((noinline, optimize("O0"))) uint32_t putc_uart(uint64_t dmap,
*uart_tx = (uint32_t)tx_byte & 0xFF;
return 0;
}
__attribute__((noinline, optimize("O0"))) int puts_uart(uint64_t dmap, const uint8_t *msg) {
uint32_t max = 255;
int ret = 0;
for (int i = 0; i < 255; i++) {
if (msg[i] == '\0') {
break;
}
if (msg[i] == '\n') {
putc_uart(dmap, '\r');
}
ret = putc_uart(dmap, msg[i]);
}
return ret;
}