diff options
author | Jens Arnold <amiconn@rockbox.org> | 2007-04-11 23:51:00 +0000 |
---|---|---|
committer | Jens Arnold <amiconn@rockbox.org> | 2007-04-11 23:51:00 +0000 |
commit | 8636e6949e802556da1588b814e454155358df90 (patch) | |
tree | fb668ba4b210d21185ee6f46a8e80e61171af8bf /firmware/system.c | |
parent | b16137e10b0b309ccd9bf81fb2d70f24b090aa7d (diff) |
Moved SH1 system code to target tree. * First shot at hwcompat cleanup.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13114 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/system.c')
-rw-r--r-- | firmware/system.c | 402 |
1 files changed, 1 insertions, 401 deletions
diff --git a/firmware/system.c b/firmware/system.c index 02d14e3ee6..7e7effe67d 100644 --- a/firmware/system.c +++ b/firmware/system.c @@ -171,407 +171,7 @@ bool detect_original_firmware(void) return !(detect_flashed_ramimage() || detect_flashed_romimage()); } -#if CONFIG_CPU == SH7034 -#include "led.h" -#include "system.h" -#include "rolo.h" - -static const char* const irqname[] = { - "", "", "", "", "IllInstr", "", "IllSltIn","","", - "CPUAdrEr", "DMAAdrEr", "NMI", "UserBrk", - "","","","","","","","","","","","","","","","","","","", - "Trap32","Trap33","Trap34","Trap35","Trap36","Trap37","Trap38","Trap39", - "Trap40","Trap41","Trap42","Trap43","Trap44","Trap45","Trap46","Trap47", - "Trap48","Trap49","Trap50","Trap51","Trap52","Trap53","Trap54","Trap55", - "Trap56","Trap57","Trap58","Trap59","Trap60","Trap61","Trap62","Trap63", - "Irq0","Irq1","Irq2","Irq3","Irq4","Irq5","Irq6","Irq7", - "Dma0","","Dma1","","Dma2","","Dma3","", - "IMIA0","IMIB0","OVI0","", "IMIA1","IMIB1","OVI1","", - "IMIA2","IMIB2","OVI2","", "IMIA3","IMIB3","OVI3","", - "IMIA4","IMIB4","OVI4","", - "Ser0Err","Ser0Rx","Ser0Tx","Ser0TE", - "Ser1Err","Ser1Rx","Ser1Tx","Ser1TE", - "ParityEr","A/D conv","","","Watchdog","DRAMRefr" -}; - -#define RESERVE_INTERRUPT(number) "\t.long\t_UIE" #number "\n" -#define DEFAULT_INTERRUPT(name, number) "\t.weak\t_" #name \ - "\n\t.set\t_" #name ",_UIE" #number \ - "\n\t.long\t_" #name "\n" - -asm ( - -/* Vector table. - * Handled in asm because gcc 4.x doesn't allow weak aliases to symbols - * defined in an asm block -- silly. - * Reset vectors (0..3) are handled in crt0.S */ - - ".section\t.vectors,\"aw\",@progbits\n" - DEFAULT_INTERRUPT (GII, 4) - RESERVE_INTERRUPT ( 5) - DEFAULT_INTERRUPT (ISI, 6) - RESERVE_INTERRUPT ( 7) - RESERVE_INTERRUPT ( 8) - DEFAULT_INTERRUPT (CPUAE, 9) - DEFAULT_INTERRUPT (DMAAE, 10) - DEFAULT_INTERRUPT (NMI, 11) - DEFAULT_INTERRUPT (UB, 12) - RESERVE_INTERRUPT ( 13) - RESERVE_INTERRUPT ( 14) - RESERVE_INTERRUPT ( 15) - RESERVE_INTERRUPT ( 16) /* TCB #0 */ - RESERVE_INTERRUPT ( 17) /* TCB #1 */ - RESERVE_INTERRUPT ( 18) /* TCB #2 */ - RESERVE_INTERRUPT ( 19) /* TCB #3 */ - RESERVE_INTERRUPT ( 20) /* TCB #4 */ - RESERVE_INTERRUPT ( 21) /* TCB #5 */ - RESERVE_INTERRUPT ( 22) /* TCB #6 */ - RESERVE_INTERRUPT ( 23) /* TCB #7 */ - RESERVE_INTERRUPT ( 24) /* TCB #8 */ - RESERVE_INTERRUPT ( 25) /* TCB #9 */ - RESERVE_INTERRUPT ( 26) /* TCB #10 */ - RESERVE_INTERRUPT ( 27) /* TCB #11 */ - RESERVE_INTERRUPT ( 28) /* TCB #12 */ - RESERVE_INTERRUPT ( 29) /* TCB #13 */ - RESERVE_INTERRUPT ( 30) /* TCB #14 */ - RESERVE_INTERRUPT ( 31) /* TCB #15 */ - DEFAULT_INTERRUPT (TRAPA32, 32) - DEFAULT_INTERRUPT (TRAPA33, 33) - DEFAULT_INTERRUPT (TRAPA34, 34) - DEFAULT_INTERRUPT (TRAPA35, 35) - DEFAULT_INTERRUPT (TRAPA36, 36) - DEFAULT_INTERRUPT (TRAPA37, 37) - DEFAULT_INTERRUPT (TRAPA38, 38) - DEFAULT_INTERRUPT (TRAPA39, 39) - DEFAULT_INTERRUPT (TRAPA40, 40) - DEFAULT_INTERRUPT (TRAPA41, 41) - DEFAULT_INTERRUPT (TRAPA42, 42) - DEFAULT_INTERRUPT (TRAPA43, 43) - DEFAULT_INTERRUPT (TRAPA44, 44) - DEFAULT_INTERRUPT (TRAPA45, 45) - DEFAULT_INTERRUPT (TRAPA46, 46) - DEFAULT_INTERRUPT (TRAPA47, 47) - DEFAULT_INTERRUPT (TRAPA48, 48) - DEFAULT_INTERRUPT (TRAPA49, 49) - DEFAULT_INTERRUPT (TRAPA50, 50) - DEFAULT_INTERRUPT (TRAPA51, 51) - DEFAULT_INTERRUPT (TRAPA52, 52) - DEFAULT_INTERRUPT (TRAPA53, 53) - DEFAULT_INTERRUPT (TRAPA54, 54) - DEFAULT_INTERRUPT (TRAPA55, 55) - DEFAULT_INTERRUPT (TRAPA56, 56) - DEFAULT_INTERRUPT (TRAPA57, 57) - DEFAULT_INTERRUPT (TRAPA58, 58) - DEFAULT_INTERRUPT (TRAPA59, 59) - DEFAULT_INTERRUPT (TRAPA60, 60) - DEFAULT_INTERRUPT (TRAPA61, 61) - DEFAULT_INTERRUPT (TRAPA62, 62) - DEFAULT_INTERRUPT (TRAPA63, 63) - DEFAULT_INTERRUPT (IRQ0, 64) - DEFAULT_INTERRUPT (IRQ1, 65) - DEFAULT_INTERRUPT (IRQ2, 66) - DEFAULT_INTERRUPT (IRQ3, 67) - DEFAULT_INTERRUPT (IRQ4, 68) - DEFAULT_INTERRUPT (IRQ5, 69) - DEFAULT_INTERRUPT (IRQ6, 70) - DEFAULT_INTERRUPT (IRQ7, 71) - DEFAULT_INTERRUPT (DEI0, 72) - RESERVE_INTERRUPT ( 73) - DEFAULT_INTERRUPT (DEI1, 74) - RESERVE_INTERRUPT ( 75) - DEFAULT_INTERRUPT (DEI2, 76) - RESERVE_INTERRUPT ( 77) - DEFAULT_INTERRUPT (DEI3, 78) - RESERVE_INTERRUPT ( 79) - DEFAULT_INTERRUPT (IMIA0, 80) - DEFAULT_INTERRUPT (IMIB0, 81) - DEFAULT_INTERRUPT (OVI0, 82) - RESERVE_INTERRUPT ( 83) - DEFAULT_INTERRUPT (IMIA1, 84) - DEFAULT_INTERRUPT (IMIB1, 85) - DEFAULT_INTERRUPT (OVI1, 86) - RESERVE_INTERRUPT ( 87) - DEFAULT_INTERRUPT (IMIA2, 88) - DEFAULT_INTERRUPT (IMIB2, 89) - DEFAULT_INTERRUPT (OVI2, 90) - RESERVE_INTERRUPT ( 91) - DEFAULT_INTERRUPT (IMIA3, 92) - DEFAULT_INTERRUPT (IMIB3, 93) - DEFAULT_INTERRUPT (OVI3, 94) - RESERVE_INTERRUPT ( 95) - DEFAULT_INTERRUPT (IMIA4, 96) - DEFAULT_INTERRUPT (IMIB4, 97) - DEFAULT_INTERRUPT (OVI4, 98) - RESERVE_INTERRUPT ( 99) - DEFAULT_INTERRUPT (REI0, 100) - DEFAULT_INTERRUPT (RXI0, 101) - DEFAULT_INTERRUPT (TXI0, 102) - DEFAULT_INTERRUPT (TEI0, 103) - DEFAULT_INTERRUPT (REI1, 104) - DEFAULT_INTERRUPT (RXI1, 105) - DEFAULT_INTERRUPT (TXI1, 106) - DEFAULT_INTERRUPT (TEI1, 107) - RESERVE_INTERRUPT ( 108) - DEFAULT_INTERRUPT (ADITI, 109) - -/* UIE# block. - * Must go into the same section as the UIE() handler */ - - "\t.text\n" - "_UIE4:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE5:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE6:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE7:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE8:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE9:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE10:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE11:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE12:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE13:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE14:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE15:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE16:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE17:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE18:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE19:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE20:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE21:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE22:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE23:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE24:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE25:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE26:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE27:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE28:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE29:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE30:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE31:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE32:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE33:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE34:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE35:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE36:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE37:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE38:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE39:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE40:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE41:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE42:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE43:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE44:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE45:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE46:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE47:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE48:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE49:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE50:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE51:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE52:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE53:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE54:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE55:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE56:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE57:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE58:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE59:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE60:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE61:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE62:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE63:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE64:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE65:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE66:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE67:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE68:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE69:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE70:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE71:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE72:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE73:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE74:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE75:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE76:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE77:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE78:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE79:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE80:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE81:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE82:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE83:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE84:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE85:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE86:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE87:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE88:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE89:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE90:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE91:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE92:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE93:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE94:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE95:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE96:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE97:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE98:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE99:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE100:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE101:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE102:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE103:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE104:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE105:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE106:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE107:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE108:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - "_UIE109:\tbsr\t_UIE\n\tmov.l\t@r15+,r4\n" - -); - -extern void UIE4(void); /* needed for calculating the UIE number */ - -void UIE (unsigned int pc) __attribute__((section(".text"))); -void UIE (unsigned int pc) /* Unexpected Interrupt or Exception */ -{ -#if CONFIG_LED == LED_REAL - bool state = false; - int i = 0; -#endif - unsigned int n; - char str[32]; - - asm volatile ("sts\tpr,%0" : "=r"(n)); - - /* clear screen */ - lcd_clear_display (); -#ifdef HAVE_LCD_BITMAP - lcd_setfont(FONT_SYSFIXED); -#endif - /* output exception */ - n = (n - (unsigned)UIE4 + 12)>>2; /* get exception or interrupt number */ - snprintf(str,sizeof(str),"I%02x:%s",n,irqname[n]); - lcd_puts(0,0,str); - snprintf(str,sizeof(str),"at %08x",pc); - lcd_puts(0,1,str); - lcd_update (); - - while (1) - { -#if CONFIG_LED == LED_REAL - if (--i <= 0) - { - state = !state; - led(state); - i = 240000; - } -#endif - - /* try to restart firmware if ON is pressed */ -#if CONFIG_KEYPAD == PLAYER_PAD - if (!(PADRL & 0x20)) -#elif CONFIG_KEYPAD == RECORDER_PAD -#ifdef HAVE_FMADC - if (!(PCDR & 0x0008)) -#else - if (!(PBDRH & 0x01)) -#endif -#elif CONFIG_KEYPAD == ONDIO_PAD - if (!(PCDR & 0x0008)) -#endif - { - /* enable the watchguard timer, but don't service it */ - RSTCSR_W = 0x5a40; /* Reset enabled, power-on reset */ - TCSR_W = 0xa560; /* Watchdog timer mode, timer enabled, sysclk/2 */ - } - } -} - -void system_init(void) -{ - /* Disable all interrupts */ - IPRA = 0; - IPRB = 0; - IPRC = 0; - IPRD = 0; - IPRE = 0; - - /* NMI level low, falling edge on all interrupts */ - ICR = 0; - - /* Enable burst and RAS down mode on DRAM */ - DCR |= 0x5000; - - /* Activate Warp mode (simultaneous internal and external mem access) */ - BCR |= 0x2000; - - /* Bus state controller initializations. These are only necessary when - running from flash. */ - WCR1 = 0x40FD; /* Long wait states for CS6 (ATA), short for the rest. */ - WCR3 = 0x8000; /* WAIT is pulled up, 1 state inserted for CS6 */ -} - -void system_reboot (void) -{ - set_irq_level(HIGHEST_IRQ_LEVEL); - - asm volatile ("ldc\t%0,vbr" : : "r"(0)); - - PACR2 |= 0x4000; /* for coldstart detection */ - IPRA = 0; - IPRB = 0; - IPRC = 0; - IPRD = 0; - IPRE = 0; - ICR = 0; - - asm volatile ("jmp @%0; mov.l @%1,r15" : : - "r"(*(int*)0),"r"(4)); -} - -/* Utilise the user break controller to catch invalid memory accesses. */ -int system_memory_guard(int newmode) -{ - static const struct { - unsigned long addr; - unsigned long mask; - unsigned short bbr; - } modes[MAXMEMGUARD] = { - /* catch nothing */ - { 0x00000000, 0x00000000, 0x0000 }, - /* catch writes to area 02 (flash ROM) */ - { 0x02000000, 0x00FFFFFF, 0x00F8 }, - /* catch all accesses to areas 00 (internal ROM) and 01 (free) */ - { 0x00000000, 0x01FFFFFF, 0x00FC } - }; - - int oldmode = MEMGUARD_NONE; - int i; - - /* figure out the old mode from what is in the UBC regs. If the register - values don't match any mode, assume MEMGUARD_NONE */ - for (i = MEMGUARD_NONE; i < MAXMEMGUARD; i++) - { - if (BAR == modes[i].addr && BAMR == modes[i].mask && - BBR == modes[i].bbr) - { - oldmode = i; - break; - } - } - - if (newmode == MEMGUARD_KEEP) - newmode = oldmode; - - BBR = 0; /* switch off everything first */ - - /* always set the UBC according to the mode, in case the old settings - didn't match any valid mode */ - BAR = modes[newmode].addr; - BAMR = modes[newmode].mask; - BBR = modes[newmode].bbr; - - return oldmode; -} -#elif defined(CPU_ARM) +#if defined(CPU_ARM) static const char* const uiename[] = { "Undefined instruction", "Prefetch abort", "Data abort" |