Firmware/MNRS-BM-BSP
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updates the bsp_write and exit

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This commit is contained in:
Hongyu Liu 2025-03-21 16:05:01 +01:00
parent ada4881d33
commit 7d55172d51
2 changed files with 12 additions and 11 deletions
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13
env/iss/bsp_write.c vendored
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@ -7,14 +7,17 @@
#include <string.h>
extern volatile uint32_t tohost;
extern volatile uint64_t tohost;
__attribute__((optimize("O0"))) ssize_t _bsp_write(int fd, const void *ptr,
size_t len) {
ssize_t _bsp_write(int fd, const void *ptr, size_t len) {
if (isatty(fd)) {
uint64_t payload[4] = {64, 0, (uintptr_t)((uint32_t *)ptr), len};
tohost = (uint32_t)payload;
volatile uint64_t payload[8];
memset((void *)payload, 0, 8 * sizeof(uint64_t));
payload[0] = 64;
payload[2] = (uintptr_t)ptr;
payload[3] = len;
tohost = (uintptr_t)payload;
/*
// accoring to my understading this part is used fot uart wrrite for later
for (size_t jj = 0; jj < len; jj++) {

10
libwrap/sys/_exit.c
View File

@ -1,6 +1,7 @@
/* See LICENSE of license details. */
#include "weak_under_alias.h"
//#include <stdint.h>
#include <unistd.h>
#if defined(SEMIHOSTING)
#include "semihosting.h"
@ -17,19 +18,16 @@ extern volatile uint32_t fromhost;
void write_hex(int fd, uint32_t hex);
void __wrap_exit(int code) {
/*#if defined(SEMIHOSTING)
sh_exit();
return;
#endif*/
// volatile uint32_t* leds = (uint32_t*) (GPIO_BASE_ADDR + GPIO_OUT_OFFSET);
const char message[] = "\nProgam has exited with code:";
//*leds = (~(code));
write(STDERR_FILENO, message, sizeof(message) - 1);
write_hex(STDERR_FILENO, code);
write(STDERR_FILENO, "\n", 1);
tohost = code + 1;
tohost = (code << 1) + 1;
write(STDERR_FILENO, "\x04", 1);
for (;;)
;
}