Firmware/MNRS-BM-BSP
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cleans up bsp read and write for ISS

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Eyck-Alexander Jentzsch 2025-05-22 12:10:25 +02:00
parent 92d01b9db4
commit 41d38e698d
2 changed files with 1 additions and 21 deletions
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15
env/iss/bsp_read.c vendored
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@ -3,17 +3,4 @@
#include <sys/types.h> #include <sys/types.h>
#include <unistd.h> #include <unistd.h>
ssize_t _bsp_read(int fd, void *ptr, size_t len) { ssize_t _bsp_read(int fd, void *ptr, size_t len) { return EOF; }
uint8_t *current = (uint8_t *)ptr;
volatile uint32_t *uart_rx = (uint32_t *)0xFFFF0000;
ssize_t result = 0;
if (isatty(fd)) {
for (current = (uint8_t *)ptr; (current < ((uint8_t *)ptr) + len);
current++) {
*current = *uart_rx;
result++;
}
return result;
}
return EOF;
}

7
env/iss/bsp_write.c vendored
View File

@ -18,13 +18,6 @@ ssize_t _bsp_write(int fd, const void *ptr, size_t len) {
payload[2] = (uintptr_t)ptr; payload[2] = (uintptr_t)ptr;
payload[3] = len; payload[3] = len;
tohost = (uintptr_t)payload; 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++) {
*((uint32_t *)0xFFFF0000) = current[jj];
}
*/
return len; return len;
} }