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initial self support (self header)

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georgemoralis 2023-03-28 10:53:23 +03:00
parent 5f19daf3ba
commit ed716d6907
6 changed files with 288 additions and 0 deletions
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emulator/main.cpp Normal file
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#include "types.h"
#include <stdio.h>
#pragma warning(disable:4996)
struct self_header
{
static const u32 signature = 0x1D3D154Fu;
u32 magic;
u08 version;
u08 mode;
u08 endian;// 1 is little endian
u08 attributes;
u08 category;
u08 program_type;
u16 padding1;
u16 header_size;
u16 meta_size;
u32 file_size;
u32 padding2;
u16 segment_count;
u16 unknown1A; //always 0x22
u32 padding3;
};
int main(int argc, char* argv[])
{
const char* const path = argv[1]; //argument 1 is the path of self file to boot
auto handle = fopen(path, "rb");
if (handle == nullptr)
{
printf("Failed to open file.\n");
return 2;
}
self_header header;
if (fread(&header, sizeof(self_header), 1, handle) != 1)
{
printf("Failed to read SELF header.\n");
fclose(handle);
return 3;
}
if (header.magic != self_header::signature)
{
printf("Not a SELF file.\n");
fclose(handle);
return 4;
}
printf("SELF header:\n");
printf(" magic ..............: 0x%08X\n", header.magic);
printf(" version .........: %d\n", header.version);
printf(" mode .........: 0x%X\n", header.mode);
printf(" endian .........: %d\n", header.endian);
printf(" attributes .........: 0x%X\n", header.attributes);
printf(" category .........: 0x%X\n", header.category);
printf(" program_type........: 0x%X\n", header.program_type);
printf(" header size ........: 0x%X\n", header.header_size);
printf(" meta size .....: 0x%X\n", header.meta_size);
printf(" file size ..........: 0x%X\n", header.file_size);
printf(" padding2 ...........: 0x%08X\n", header.padding2);
printf(" segment count ......: %u\n", header.segment_count);
printf(" unknown 1A .........: 0x%04X\n", header.unknown1A);
printf(" padding3 ...........: 0x%04X\n", header.padding3);
printf("\n");
}