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Functions and data into iram mode for iriver, seems faster.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6112 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michiel Van Der Kolk 2005-03-03 13:50:09 +00:00
parent 0cecadd074
commit 95819727eb
6 changed files with 24 additions and 5 deletions
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2
apps/plugins/rockboy/cpu.c
View file

@ -17,7 +17,7 @@
#endif
struct cpu cpu;
struct cpu cpu IDATA_ATTR;

4
apps/plugins/rockboy/cpu.h
View file

@ -35,7 +35,7 @@ void timer_advance(int cnt);
void lcdc_advance(int cnt);
void sound_advance(int cnt);
void cpu_timers(int cnt);
int cpu_emulate(int cycles);
int cpu_emulate(int cycles) ICODE_ATTR;
int cpu_step(int max) ICODE_ATTR;
#endif

2
apps/plugins/rockboy/lcd.c
View file

@ -16,7 +16,7 @@
struct lcd lcd;
struct scan scan;
struct scan scan IDATA_ATTR;
#define BG (scan.bg)
#define WND (scan.wnd)

2
apps/plugins/rockboy/lcd.h
View file

@ -55,7 +55,7 @@ extern struct scan scan;
void updatepatpix(void);
void updatepatpix(void) ICODE_ATTR;
void tilebuf(void);
void bg_scan(void);
void wnd_scan(void);

9
apps/plugins/rockboy/rockboy.c
View file

@ -38,6 +38,12 @@ const struct {
};
#endif
#ifdef USE_IRAM
extern char iramcopy[];
extern char iramstart[];
extern char iramend[];
#endif
/* here is a global api struct pointer. while not strictly necessary,
it's nice not to have to pass the api pointer in all function calls
in the plugin */
@ -114,6 +120,9 @@ enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
/* if you are using a global api pointer, don't forget to copy it!
otherwise you will get lovely "I04: IllInstr" errors... :-) */
rb = api;
#ifdef USE_IRAM
memcpy(iramstart, iramcopy, iramend-iramstart);
#endif
shut=0;
cleanshut=0;
mp3_bufferbase=mp3_bufferpointer=0;

10
apps/plugins/rockboy/rockmacros.h
View file

@ -57,12 +57,22 @@ void ev_poll(void);
#define open(a,b) rb->sim_open((a),(b))
#undef lseek
#define lseek(a,b,c) rb->sim_lseek((a),(b),(c))
#define ICODE_ATTR
#define IDATA_ATTR
#else /* !SIMULATOR */
#define opendir(a) rb->opendir((a))
#define closedir(a) rb->closedir((a))
#define mkdir(a,b) rb->mkdir((a),(b))
#define open(a,b) rb->open((a),(b))
#define lseek(a,b,c) rb->lseek((a),(b),(c))
#if CONFIG_KEYPAD == IRIVER_H100_PAD
#define ICODE_ATTR __attribute__ ((section(".icode")))
#define IDATA_ATTR __attribute__ ((section(".idata")))
#define USE_IRAM 1
#else
#define ICODE_ATTR
#define IDATA_ATTR
#endif
#endif /* !SIMULATOR */
#define strcat(a,b) rb->strcat((a),(b))