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-rw-r--r--pipe_image.c112
1 files changed, 0 insertions, 112 deletions
diff --git a/pipe_image.c b/pipe_image.c
deleted file mode 100644
index 7e27fb9..0000000
--- a/pipe_image.c
+++ /dev/null
@@ -1,112 +0,0 @@
-#include <stdio.h>
-#include <err.h>
-#include <endian.h>
-#include <stdint.h>
-#include <sys/types.h>
-#include "lib/rs232/rs232.h"
-
-#define ANSI_FG_RED "\033[0;31m"
-#define ANSI_FG_DEFAULT "\033[0;39m"
-
-/* This program pipes it's argument file to /dev/ttyUSB0 or stdout */
-/* prepending it with it's size (4 bytes, little endian). */
-/* It is intended to be used with our bootloader. */
-
-int main(int argc, const char **argv) {
- const char *image_file_name = "kernel.img";
- _Bool stdout_instead_of_uart = 0;
-
- if (argc > 1)
- if (!strcmp(argv[1], "--stdout"))
- {
- stdout_instead_of_uart = 1;
- argc--;
- argv++;
- }
-
- if (argc > 1)
- image_file_name = argv[1];
-
- FILE *image_file_handle = fopen(image_file_name, "r");
-
- if (!image_file_handle)
- err(-1, "couldn't open" ANSI_FG_RED "%s" ANSI_FG_DEFAULT,
- image_file_name);
-
- if (fseek(image_file_handle, 0, SEEK_END))
- err(-1, "error navigating through file");
-
- ssize_t image_size = ftell(image_file_handle);
- if (image_size < 0)
- err(-1, "couldn't get image file size");
-
- if (image_size >> 32)
- err(-1, "file to big (should be smaller than 4G)");
-
- if (fseek(image_file_handle, 0, SEEK_SET))
- err(-1, "error navigating through file");
-
- //init comport
- const int comport=16;
-
- if (!stdout_instead_of_uart)
- if (RS232_OpenComport(comport, 115200, "8N1", 1) == 1)
- err(-1, "Error opening comport");
-
- uint32_t image_size_le = htole32(image_size);
-
- if (stdout_instead_of_uart)
- {
- if (fwrite((unsigned char*) &image_size_le, 4, 1, stdout) != 1)
- err(-1, "error writing number to stdout");
- }
- else
- {
- if (RS232_SendBuf(comport, (unsigned char*) &image_size_le, 4)
- == -1)
- err(-1, "error writing number to serial");
- }
-
- ssize_t bytes_left = image_size;
-
- unsigned char buf[1024];
- while (bytes_left)
- {
- size_t bytes_read;
- if ((bytes_read = fread(buf, 1, sizeof(buf), image_file_handle))
- < 1)
- err(-1, "error reading the file");
-
- if (stdout_instead_of_uart)
- {
- if (fwrite((unsigned char*) buf, bytes_read, 1, stdout) != 1)
- err(-1, "error writing to stdout");
- }
- else
- {
- if (RS232_SendBuf(comport, buf, bytes_read) == -1)
- err(-1, "error writing to serial");
- }
-
- bytes_left -= bytes_read;
- }
-/*
- while(1){
- int bytes_read=read(0,buf,sizeof(buf));
- if (stdout_instead_of_uart)
- {
- if (fwrite((unsigned char*) buf, bytes_read, 1, stdout) != 1)
- err(-1, "error writing to stdout");
- }
- else
- {
- if (RS232_SendBuf(comport, buf, bytes_read) == 1)
- err(-1, "error writing to serial");
- }
- }
- */
- if (!stdout_instead_of_uart)
- RS232_CloseComport(comport);
-
- return 0;
-}