cleans up bsp read and write for ISS
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parent
92d01b9db4
commit
41d38e698d
15
env/iss/bsp_read.c
vendored
15
env/iss/bsp_read.c
vendored
@ -3,17 +3,4 @@
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#include <sys/types.h>
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#include <unistd.h>
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ssize_t _bsp_read(int fd, void *ptr, size_t len) {
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uint8_t *current = (uint8_t *)ptr;
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volatile uint32_t *uart_rx = (uint32_t *)0xFFFF0000;
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ssize_t result = 0;
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if (isatty(fd)) {
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for (current = (uint8_t *)ptr; (current < ((uint8_t *)ptr) + len);
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current++) {
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*current = *uart_rx;
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result++;
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}
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return result;
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}
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return EOF;
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}
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ssize_t _bsp_read(int fd, void *ptr, size_t len) { return EOF; }
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7
env/iss/bsp_write.c
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7
env/iss/bsp_write.c
vendored
@ -18,13 +18,6 @@ ssize_t _bsp_write(int fd, const void *ptr, size_t len) {
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payload[2] = (uintptr_t)ptr;
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payload[3] = len;
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tohost = (uintptr_t)payload;
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/*
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// accoring to my understading this part is used fot uart wrrite for later
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for (size_t jj = 0; jj < len; jj++) {
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*((uint32_t *)0xFFFF0000) = current[jj];
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}
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*/
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return len;
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}
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