#include <fxos/lang.h>
#include <fxos/load.h>
#include <fxos/errors.h>
#include <fxos/os.h>
#include <cstdio>

using namespace FxOS;

char const *info_str =
"Header information:\n"
"  Bootcode timestamp (DateA)                 (0x8000ffb0)  :  %s\n"
"  Serial number                              (0x8000ffd0)  :  %s\n"
"  Bootcode checksum                          (0x8000fffc)  :  0x%s\n"
"  OS version                                 (0x80010020)  :  %s\n";

char const *footer_str =
"\nFooter information:\n"
"  Detected footer address                                  :  0x8%07x\n"
"  Langdata entries found                                   :  %d\n"
"  OS date (DateO)                            (0x8%07x)" "  :  %s\n"
"  OS checksum                                (0x8%07x)" "  :  0x%s\n";

char const *syscall_str =
"\nSyscall information:\n"
"  Syscall table address                      (0x8001007c)  :  0x%08x\n"
"  Entries that point to valid memory                       :  0x%x\n"
"  First seemingly invalid entry                            :  0x%08x\n"
"  Syscall entries outside ROM:\n";

char const *syscall_nonrom_str =
"    %%%03x -> 0x%08x (%s memory)\n";

void info(std::string path)
{
	File file(path);
	OS os(file);

	Target t;
	t.bind_region(MemoryRegion::ROM, file);
	t.bind_region(MemoryRegion::ROM_P2, file);

	uint32_t syscall_table = t.read_u32(0x8001007c);
	uint32_t first_noncall = t.read_u32(syscall_table +
		4 * os.syscall_count());

	printf(syscall_str, syscall_table, os.syscall_count(), first_noncall);

	int total = 0;
	for(int i = 0; i < os.syscall_count(); i++)
	{
		uint32_t e = os.syscall(i);
		MemoryRegion const *r = MemoryRegion::region_for(e);
		if(!r || r->name == "ROM" || r->name == "ROM_P2") continue;

		printf(syscall_nonrom_str, i, e, r->name.c_str());
		total++;
	}

	if(!total) printf("    (none)\n");
}

int main(void)
{
	try
	{
		FxOS::load("data/sh3.txt");
		FxOS::load("data/sh4.txt");
	}
	catch(FxOS::SyntaxError &e)
	{
		std::cerr << e.file() << ":" << e.line() << ": " <<
			e.what() << "\n" << std::flush;
		return 1;
	}

	info("/home/lake/Documents/PC/Données/OS Graph 35+E II/3.10.bin");

	return 0;
}