Move more common functions to DCInfo.c. Add BIOSTest. (12ef0312) · Commits · Dreamcast / DCInfo

BIOSTest.c

0 → 100644

+37 −0

Original line number	Diff line number	Diff line
		/*

		Part of DCInfo by Donald Haase.

		I wrote this originally as part of an update to httpd-ack that
		would give easy information to note if a BIOS was already known
		to me, or if I should dump it for review as an unknown version.

		*/
		#include <kos.h>
		#include "DCInfo.h"
		#include <kos/net.h>

		/*
		These are the three BIOSes I've been able to get from my own DCs and devkit,
		there are definitely more devkit BIOS revisions, but I don't know of any other
		regular DC model revisions (that allow for MIL-CDs)
		*/

		static unsigned int bios_crc_32_known[] = {0x89F2B1A1, 0x2186E0E5, 0x5454841F};

		unsigned int BIOS_Test (void)
		{
		unsigned int i = 0;
		unsigned int bios_crc_32 = 0;

		printf("Your CRC-32 of your DC's BIOS is: [%08X] \n", bios_crc_32 = net_crc32le(0, 0x200000));
		printf("It's version ID at 0x7C0 is: %.64s\n", (unsigned char*)0x7C0);

		for(; i<sizeof(bios_crc_32_known); i++)
		if(bios_crc_32==bios_crc_32_known[i]) break;

		if(i == sizeof(bios_crc_32_known))
		printf("Your DC's BIOS doesn't match any I know of. Please let me know about it!\n");

		return bios_crc_32;
		}
		No newline at end of file

+43 −0

Original line number	Diff line number	Diff line
		@@ -18,6 +18,46 @@ typedef struct info_mod {

		} info_mod_t;
		*/

		volatile bool __wdt_timeout_running = true;
		void __wdt_timeout_callback(void*)
		{
		__wdt_timeout_running = false;
		wdt_disable();
		}

		void out32(unsigned int addr,unsigned int data)
		{
		volatile unsigned int * p=(volatile unsigned int *)addr;
		*p=data;
		}
		void out16(unsigned int addr,unsigned short data)
		{
		volatile unsigned short * p=(volatile unsigned short *)addr;
		*p=data;
		}
		void out8(unsigned int addr,unsigned char data)
		{
		volatile unsigned char * p=(volatile unsigned char *)addr;
		*p=data;
		}

		unsigned int in32(unsigned int addr)
		{
		volatile unsigned int * p=(volatile unsigned int *)addr;
		return *p;
		}
		unsigned short in16(unsigned int addr)
		{
		volatile unsigned short * p=(volatile unsigned short *)addr;
		return *p;
		}
		unsigned char in8(unsigned int addr)
		{
		volatile unsigned char * p=(volatile unsigned char *)addr;
		return *p;
		}

		/* My patented awesome data output that I did for MapleTest */
		void awesome_data_print(unsigned char *data, unsigned int size)
		{
		@@ -51,7 +91,10 @@ int main (void)
		printf("REVISION : 0x%.4x\n", in16(REVISION));

		gdinfo_print();

		print_all_device_allinfo(2);

		BIOS_Test();

		return 0;
		}
		No newline at end of file

+10 −6

Original line number	Diff line number	Diff line

		void out32(unsigned int addr,unsigned int data);
		void out16(unsigned int addr,unsigned short data);
		void out8(unsigned int addr,unsigned char data);

		unsigned int in32(unsigned int addr);
		unsigned short in16(unsigned int addr);
		unsigned char in8(unsigned int addr);

		void awesome_data_print(unsigned char *data, unsigned int size);

		/*
		Trying to set up a reusable simple way to protect a while loop that has
		a risk of stalling. Replace a while(X) with wdt_timeout_while(X, time)
		*/
		static volatile bool __wdt_timeout_running = true;
		static void __wdt_timeout_callback(void*)
		{
		__wdt_timeout_running = false;
		wdt_disable();
		}
		extern volatile bool __wdt_timeout_running;
		void __wdt_timeout_callback(void*);

		#define wdt_timeout_while(COND, WAIT) \
		__wdt_timeout_running = true; \

+0 −32

Original line number	Diff line number	Diff line
		@@ -17,38 +17,6 @@
		#include "gdinfo.h"
		#include "DCInfo.h"

		void out32(unsigned int addr,unsigned int data)
		{
		volatile unsigned int * p=(volatile unsigned int *)addr;
		*p=data;
		}
		void out16(unsigned int addr,unsigned short data)
		{
		volatile unsigned short * p=(volatile unsigned short *)addr;
		*p=data;
		}
		void out8(unsigned int addr,unsigned char data)
		{
		volatile unsigned char * p=(volatile unsigned char *)addr;
		*p=data;
		}

		unsigned int in32(unsigned int addr)
		{
		volatile unsigned int * p=(volatile unsigned int *)addr;
		return *p;
		}
		unsigned short in16(unsigned int addr)
		{
		volatile unsigned short * p=(volatile unsigned short *)addr;
		return *p;
		}
		unsigned char in8(unsigned int addr)
		{
		volatile unsigned char * p=(volatile unsigned char *)addr;
		return *p;
		}

		unsigned int gd_error(void)
		{
		return in8(GD_ALTSTAT_Read)&ST_CHECK;

+1 −1

Original line number	Diff line number	Diff line
		@@ -4,7 +4,7 @@ NAME = DCInfo
		TARGET = $(NAME).elf


		OBJS= MapleTest.o gdinfo.o DCInfo.o
		OBJS= MapleTest.o gdinfo.o DCInfo.o BIOSTest.o

		all: rm-elf $(TARGET)