981c35584c
Added base code, can run ELF files and simulate RV32I instructions
38 lines
813 B
C
38 lines
813 B
C
#include "bootloader.h"
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#include "elf/elf.h"
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#include <errno.h>
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#include <stdlib.h>
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#include <stdio.h>
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uint32_t bootload(char* file_path)
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{
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// Open the file
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FILE* f = fopen(file_path, "r");
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if(!f)
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{
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fprintf(stderr, "Could not open file '%s': %s\n", file_path, strerror(errno));
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exit(EXIT_FAILURE);
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}
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// Obtain file size
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fseek(f, 0, SEEK_END);
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size_t file_size = ftell(f);
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fseek(f, 0, SEEK_SET);
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// Load the file in memory
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void* file = malloc(file_size);
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if(fread(file, file_size, 1, f) != 1)
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{
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fprintf(stderr, "Could not read file '%s': %s\n", file_path, strerror(errno));
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fclose(f);
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exit(EXIT_FAILURE);
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}
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// Close the file
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fclose(f);
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// TODO: Check file type (for now we only bootload ELF)
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return elf_32_load(file);
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}
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