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CARD ROM HEADERとTWL CARD ROM HEADERの両方を表示。ヘッダCRC検査つき。

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git-svn-id: file:///Users/lillianskinner/Downloads/platinum/twl/TwlIPL/trunk@2316 b08762b0-b915-fc4b-9d8c-17b2551a87ff
This commit is contained in:
nishikawa_takeshi 2008-08-29 02:06:33 +00:00
parent 60459c6ddd
commit 37bab42cf1
1 changed files with 128 additions and 15 deletions
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143
build/debugsoft/CardRomHeaderChecker/common/src/main.c
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@ -19,23 +19,34 @@
#include <twl/hw/common/mmap_shared.h> #include <twl/hw/common/mmap_shared.h>
#include "DEMO.h" #include "DEMO.h"
#define LABEL_COLOR (GX_RGBA(0, 31, 31, 1)) #define COLOR_WHITE (GX_RGBA(31, 31, 31, 1))
#define VALUE_COLOR (GX_RGBA(31, 31, 31, 1)) #define COLOR_CYAN (GX_RGBA(0, 31, 31, 1))
#define COLOR_RED (GX_RGBA(31, 0, 0, 1))
#define COLOR_YELLOW (GX_RGBA(31, 31, 0, 1))
#define TITLE_COLOR COLOR_YELLOW
#define LABEL_COLOR COLOR_WHITE
#define VALUE_COLOR COLOR_WHITE
#define OK_COLOR COLOR_CYAN
#define NG_COLOR COLOR_RED
// CRC計算
#define CRC16_INIT_VALUE 0xffff
#define CALC_CRC16_SIZE 0x15e
static u16 CalcCRC16(u16 start, u8 *data, int size);
void TwlMain(void) void TwlMain(void)
{ {
ROM_Header *prh; ROM_Header *prhTWL, *prhNTR;
char str[100]; char str[100];
u16 row = 0; u16 row = 0;
u16 shift = 16; u16 shift = 8;
u16 crc;
OS_Init(); OS_Init();
(void)OS_EnableIrq(); (void)OS_EnableIrq();
(void)OS_EnableInterrupts(); (void)OS_EnableInterrupts();
// この固定メモリアドレスにカードROMヘッダがある
prh = (ROM_Header*)HW_TWL_CARD_ROM_HEADER_BUF;
DEMOInitCommon(); DEMOInitCommon();
DEMOInitVRAM(); DEMOInitVRAM();
DEMOInitDisplayBitmap(); DEMOInitDisplayBitmap();
@ -45,14 +56,17 @@ void TwlMain(void)
DEMOSetBitmapGroundColor(DEMO_RGB_CLEAR); DEMOSetBitmapGroundColor(DEMO_RGB_CLEAR);
DEMOStartDisplay(); DEMOStartDisplay();
DEMOSetBitmapTextColor(GX_RGBA(31, 31, 31, 1)); // カードROMヘッダ: NTR互換用
DEMODrawText( 8, 0, "Card ROM Header Checker" ); prhNTR = (ROM_Header*)HW_CARD_ROM_HEADER;
DEMOSetBitmapTextColor(COLOR_YELLOW);
DEMODrawText( 8, row, "Card ROM Header" );
row += 2 * shift;
row = 24;
DEMOSetBitmapTextColor(LABEL_COLOR); DEMOSetBitmapTextColor(LABEL_COLOR);
DEMODrawText( 8, row, "Title Name:" ); DEMODrawText( 8, row, "Title Name:" );
MI_CpuClear8( str, 100 ); MI_CpuClear8( str, 100 );
MI_CpuCopy8( prh->s.title_name, str, TITLE_NAME_MAX ); MI_CpuCopy8( prhNTR->s.title_name, str, TITLE_NAME_MAX );
DEMOSetBitmapTextColor(VALUE_COLOR); DEMOSetBitmapTextColor(VALUE_COLOR);
DEMODrawText( 96, row, str ); DEMODrawText( 96, row, str );
row += shift; row += shift;
@ -60,27 +74,90 @@ void TwlMain(void)
DEMOSetBitmapTextColor(LABEL_COLOR); DEMOSetBitmapTextColor(LABEL_COLOR);
DEMODrawText( 8, row, "Game Code:" ); DEMODrawText( 8, row, "Game Code:" );
MI_CpuClear8( str, 100 ); MI_CpuClear8( str, 100 );
MI_CpuCopy8( prh->s.game_code, str, GAME_CODE_MAX ); MI_CpuCopy8( prhNTR->s.game_code, str, GAME_CODE_MAX );
DEMOSetBitmapTextColor(VALUE_COLOR);
DEMODrawText( 96, row, str );
row += shift;
DEMOSetBitmapTextColor(LABEL_COLOR);
DEMODrawText( 8, row, "Header CRC:" );
DEMOSetBitmapTextColor(VALUE_COLOR);
DEMODrawText( 96, row, "0x%04x", prhNTR->s.header_crc16 );
row += shift;
crc = CalcCRC16( CRC16_INIT_VALUE, (u8*)prhNTR, CALC_CRC16_SIZE );
if( crc == prhNTR->s.header_crc16 )
{
DEMOSetBitmapTextColor(OK_COLOR);
DEMODrawText( 96, row, "0x%04x OK", crc );
}
else
{
DEMOSetBitmapTextColor(NG_COLOR);
DEMODrawText( 96, row, "0x%04x NG", crc );
}
row += 3 * shift;
// この固定メモリアドレスにTWLカードROMヘッダがある
// これはカードROMヘッダとは異なる
// カードROMヘッダ: NTR互換のための領域でROMヘッダのNTR互換部分だけがある
// TWLカードROMヘッダ: NTR互換部分に加えてROMヘッダのTWLで追加された部分もある
prhTWL = (ROM_Header*)HW_TWL_CARD_ROM_HEADER_BUF;
DEMOSetBitmapTextColor(COLOR_YELLOW);
DEMODrawText( 8, row, "TWL Card ROM Header" );
row += 2 * shift;
DEMOSetBitmapTextColor(LABEL_COLOR);
DEMODrawText( 8, row, "Title Name: " );
MI_CpuClear8( str, 100 );
MI_CpuCopy8( prhTWL->s.title_name, str, TITLE_NAME_MAX );
DEMOSetBitmapTextColor(VALUE_COLOR);
DEMODrawText( 96, row, str );
row += shift;
DEMOSetBitmapTextColor(LABEL_COLOR);
DEMODrawText( 8, row, "Game Code: " );
MI_CpuClear8( str, 100 );
MI_CpuCopy8( prhTWL->s.game_code, str, GAME_CODE_MAX );
DEMOSetBitmapTextColor(VALUE_COLOR); DEMOSetBitmapTextColor(VALUE_COLOR);
DEMODrawText( 96, row, str ); DEMODrawText( 96, row, str );
row += shift; row += shift;
DEMOSetBitmapTextColor(LABEL_COLOR); DEMOSetBitmapTextColor(LABEL_COLOR);
DEMODrawText( 8, row, "TitleID_Hi: " ); DEMODrawText( 8, row, "TitleID_Hi: " );
prh = (ROM_Header*)HW_TWL_CARD_ROM_HEADER_BUF; prhTWL = (ROM_Header*)HW_TWL_CARD_ROM_HEADER_BUF;
DEMOSetBitmapTextColor(VALUE_COLOR); DEMOSetBitmapTextColor(VALUE_COLOR);
DEMODrawText( 96, row, "0x%08x", prh->s.titleID_Hi ); DEMODrawText( 96, row, "0x%08x", prhTWL->s.titleID_Hi );
row += shift; row += shift;
DEMOSetBitmapTextColor(LABEL_COLOR); DEMOSetBitmapTextColor(LABEL_COLOR);
DEMODrawText( 8, row, "TitleID_Lo: " ); DEMODrawText( 8, row, "TitleID_Lo: " );
MI_CpuClear8( str, 100 ); MI_CpuClear8( str, 100 );
MI_CpuCopy8( prh->s.titleID_Lo, str, 4 ); MI_CpuCopy8( prhTWL->s.titleID_Lo, str, 4 );
DEMOSetBitmapTextColor(VALUE_COLOR); DEMOSetBitmapTextColor(VALUE_COLOR);
DEMODrawText( 96, row, str ); DEMODrawText( 96, row, str );
row += shift; row += shift;
DEMOSetBitmapTextColor(LABEL_COLOR);
DEMODrawText( 8, row, "Header CRC:" );
DEMOSetBitmapTextColor(VALUE_COLOR);
DEMODrawText( 96, row, "0x%04x", prhTWL->s.header_crc16 );
row += shift; row += shift;
crc = CalcCRC16( CRC16_INIT_VALUE, (u8*)prhTWL, CALC_CRC16_SIZE );
if( crc == prhTWL->s.header_crc16 )
{
DEMOSetBitmapTextColor(OK_COLOR);
DEMODrawText( 96, row, "0x%04x OK", crc );
}
else
{
DEMOSetBitmapTextColor(NG_COLOR);
DEMODrawText( 96, row, "0x%04x NG", crc );
}
row += 2 * shift;
DEMOSetBitmapTextColor(GX_RGBA(31, 31, 31, 1)); DEMOSetBitmapTextColor(GX_RGBA(31, 31, 31, 1));
DEMODrawText( 8, row, "End." ); DEMODrawText( 8, row, "End." );
@ -91,4 +168,40 @@ void TwlMain(void)
} }
} }
/*---------------------------------------------------------------------------*
* Math
*
* u16 CalcCRC16( u16 start, u8 *data, int size )
*---------------------------------------------------------------------------*/
static u16 crc16_table[16] = {
0x0000, 0xCC01, 0xD801, 0x1400,
0xF001, 0x3C00, 0x2800, 0xE401,
0xA001, 0x6C00, 0x7800, 0xB401,
0x5000, 0x9C01, 0x8801, 0x4400
};
static u16 CalcCRC16(u16 start, u8 *data, int size)
{
u16 r1;
u16 total = start;
while (size-- > 0)
{
// 下位4bit
r1 = crc16_table[total & 0xf];
total = (u16)((total >> 4) & 0x0fff);
total = (u16)(total ^ r1 ^ crc16_table[*data & 0xf]);
// 上位4bit
r1 = crc16_table[total & 0xf];
total = (u16)((total >> 4) & 0x0fff);
total = (u16)(total ^ r1 ^ crc16_table[(*data >> 4) & 0xf]);
data++;
}
return total;
}
/*====== End of main.c ======*/ /*====== End of main.c ======*/