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Diffstat (limited to 'core/bgdrtm/src/misc.c')
| -rw-r--r-- | core/bgdrtm/src/misc.c | 317 |
1 files changed, 317 insertions, 0 deletions
diff --git a/core/bgdrtm/src/misc.c b/core/bgdrtm/src/misc.c new file mode 100644 index 0000000..aeaf1f1 --- /dev/null +++ b/core/bgdrtm/src/misc.c @@ -0,0 +1,317 @@ +/* + * Copyright © 2006-2016 SplinterGU (Fenix/Bennugd) + * + * This file is part of Bennu - Game Development + * + * This software is provided 'as-is', without any express or implied + * warranty. In no event will the authors be held liable for any damages + * arising from the use of this software. + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. If you use this software + * in a product, an acknowledgment in the product documentation would be + * appreciated but is not required. + * + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * + * 3. This notice may not be removed or altered from any source + * distribution. + * + */ + +/* --------------------------------------------------------------------------- */ +/* + * INCLUDES + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> +#include <ctype.h> + +#include "bgdrtm.h" +#include "offsets.h" +#include "dcb.h" +#include "sysprocs_p.h" +#include "xstrings.h" + +#include "fmath.h" + +#if defined(TARGET_GP2X_WIZ) || defined(TARGET_CAANOO) + #include <sys/types.h> + #include <sys/stat.h> + #include <fcntl.h> + + #include <sys/mman.h> +#endif + +/* --------------------------------------------------------------------------- */ + +char * appname = NULL; +char * appexename = NULL; +char * appexepath = NULL; +char * appexefullpath = NULL; + +/* --------------------------------------------------------------------------- */ + +int debug = 0; /* 1 if running in debug mode */ + +/* --------------------------------------------------------------------------- */ + +/* os versions */ +#ifdef _WIN32 +#define _OS_ID OS_WIN32 +#endif + +#ifdef TARGET_LINUX +#define _OS_ID OS_LINUX +#endif + +#ifdef TARGET_BEOS +#define _OS_ID OS_BEOS +#endif + +#ifdef TARGET_MAC +#define _OS_ID OS_MACOS +#endif + +#ifdef TARGET_GP32 +#define _OS_ID OS_GP32 +#endif + +#ifdef TARGET_DC +#define _OS_ID OS_DC +#endif + +#ifdef TARGET_BSD +#define _OS_ID OS_BSD +#endif + +#ifdef TARGET_GP2X +#ifdef _OS_ID +#undef _OS_ID +#endif +#define _OS_ID OS_GP2X +#endif + +#ifdef TARGET_GP2X_WIZ +#ifdef _OS_ID +#undef _OS_ID +#endif +#define _OS_ID OS_GP2X_WIZ +#endif + +#ifdef TARGET_CAANOO +#ifdef _OS_ID +#undef _OS_ID +#endif +#define _OS_ID OS_CAANOO +#endif + +#ifdef TARGET_DINGUX_A320 +#ifdef _OS_ID +#undef _OS_ID +#endif +#define _OS_ID OS_DINGUX_A320 +#endif + +#ifdef TARGET_WII +#ifdef _OS_ID +#undef _OS_ID +#endif +#define _OS_ID OS_WII +#endif + +#ifdef TARGET_ANDROID +#ifdef _OS_ID +#undef _OS_ID +#endif +#define _OS_ID OS_ANDROID +#endif + +#ifdef TARGET_IOS +#ifdef _OS_ID +#undef _OS_ID +#endif +#define _OS_ID OS_IOS +#endif + +/* --------------------------------------------------------------------------- */ + +#if defined(TARGET_GP2X_WIZ) || defined(TARGET_CAANOO) + +#define TIMER_BASE3 0x1980 +#define TIMER_REG(x) __bgdrtm_memregl[(TIMER_BASE3 + x) >> 2] + +volatile unsigned long *__bgdrtm_memregl = NULL; +int __bgdrtm_memdev = -1; + +#ifdef TARGET_CAANOO +static unsigned long caanoo_firmware_version = 0; +#endif + +void bgdrtm_ptimer_init(void) +{ +#if defined(TARGET_GP2X_WIZ) + TIMER_REG(0x44) = 0x922; +#else + if ( caanoo_firmware_version < 1000006 ) /* firmware version < 1.0.6 */ + { + TIMER_REG(0x44) = 0x922; + } + else + { + TIMER_REG(0x44) = 0x0FF2; + } +#endif + TIMER_REG(0x40) = 0x0c; + TIMER_REG(0x08) = 0x6b; +} + +unsigned long bgdrtm_ptimer_get_ticks_us(void) +{ + TIMER_REG(0x08) = 0x4b; /* run timer, latch value */ + return TIMER_REG(0); +} + +void bgdrtm_ptimer_cleanup(void) +{ + TIMER_REG(0x40) = 0x0c; + TIMER_REG(0x08) = 0x23; + TIMER_REG(0x00) = 0; + TIMER_REG(0x40) = 0; + TIMER_REG(0x44) = 0; +} + +#endif + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : strncmpi + * + * Compare two strings (case-insensitive version) + * + * PARAMS: + * str1 first string + * str2 second string + * + * RETURN VALUE: + * Result of the comparison + */ + +int strncmpi( char * str1, char * str2, int sz ) +{ + while (( *str1 || *str2 ) && sz ) + { +#ifdef _WIN32 + if ( toupper( *str1 ) != toupper( *str2 ) ) return toupper( *str1 ) - toupper( *str2 ); +#else + if ( *str1 != *str2 ) return *str1 - *str2; +#endif + str1++; str2++; sz--; + } + + return 0 ; +} + +/* --------------------------------------------------------------------------- */ + +void bgdrtm_entry( int argc, char * argv[] ) +{ + int i; + int * args = (int *)&GLODWORD( ARGV_TABLE ); + char * os_id; + + GLODWORD( ARGC ) = argc ; + + for ( i = 0 ; i < argc && i < 32; i++ ) + { + args[i] = string_new( argv[i] ) ; + string_use( args[i] ) ; + } + + if ( ( os_id = getenv( "OS_ID" ) ) ) + GLODWORD( OS_ID ) = atol( os_id ) ; + else + GLODWORD( OS_ID ) = _OS_ID ; + +#if defined(TARGET_GP2X_WIZ) || defined(TARGET_CAANOO) + +#ifdef TARGET_CAANOO + { + FILE * fp = fopen( "/usr/gp2x/version", "r" ); + if ( fp ) + { + char *p1, *p2; + char b[32] = ""; + + fgets( b, sizeof(b), fp ); + fclose( fp ); + + if ( ( p2 = strchr( b, '.' ) ) ) + { + *p2++ = '\0'; + caanoo_firmware_version = atol( b ) * 1000000L; + if ( ( p1 = strchr( p2, '.' ) ) ) + { + *p1++ = '\0'; + caanoo_firmware_version += atol( p2 ) * 1000L; + caanoo_firmware_version += atol( p1 ); + } + else + { + caanoo_firmware_version += atol( p2 ) * 1000L; + } + } + } + } +#endif + + __bgdrtm_memdev = open( "/dev/mem", O_RDWR ); + __bgdrtm_memregl = mmap( 0, 0x20000, PROT_READ|PROT_WRITE, MAP_SHARED, __bgdrtm_memdev, 0xc0000000 ); + + bgdrtm_ptimer_init(); +#endif + + init_cos_tables(); +} + +/* --------------------------------------------------------------------------- */ +/* + * FUNCTION : bgdrtm_exit + * + * Exits from the program cleanly ending operations + * + * PARAMS: + * INT n: ERROR LEVEL to return to OS + * + * RETURN VALUE: + * No value + * + */ + +void bgdrtm_exit( int exit_value ) +{ + int n; + /* Finalize all modules */ + if ( module_finalize_count ) + for ( n = 0; n < module_finalize_count; n++ ) + module_finalize_list[n](); + +#if defined(TARGET_GP2X_WIZ) || defined(TARGET_CAANOO) + bgdrtm_ptimer_cleanup(); + + __bgdrtm_memregl = munmap( 0, 0x20000 ); __bgdrtm_memregl = NULL; + close( __bgdrtm_memdev ); __bgdrtm_memdev = -1; +#endif + + exit( exit_value ) ; +} + +/* --------------------------------------------------------------------------- */ |