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a little readability and a bugfix we prolly never run into

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dhewg 2009-04-12 18:32:59 +02:00 committed by bushing
parent 5c64add743
commit cd4872979d
1 changed files with 8 additions and 4 deletions
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12
memory.c
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@ -40,6 +40,10 @@ extern u32 __page_table[4096];
#define LINESIZE 0x20
#define CACHESIZE 0x4000
#define CR_MMU (1 << 0)
#define CR_DCACHE (1 << 2)
#define CR_ICACHE (1 << 12)
// TODO: move to hollywood.h once we figure out WTF
#define HW_100 (HW_REG_BASE + 0x100)
#define HW_104 (HW_REG_BASE + 0x104)
@ -189,6 +193,7 @@ void ahb_flush_from(enum AHBDEV dev)
break;
default:
gecko_printf("ahb_flush(%d): Invalid device\n", dev);
irq_restore(cookie);
return;
}
@ -265,7 +270,6 @@ void mem_setswap(int enable)
write32(HW_MEMMIRR, d & ~0x20);
if((!(d & 0x20)) && enable)
write32(HW_MEMMIRR, d | 0x20);
}
u32 dma_addr(void *p)
@ -347,12 +351,12 @@ void mem_initialize(void)
#ifndef NO_CACHES
gecko_printf("MEM: enabling caches\n");
cr |= 0x1004; //ICACHE/DCACHE and MMU enable
cr |= CR_DCACHE | CR_ICACHE;
set_cr(cr);
gecko_printf("MEM: enabling MMU\n");
cr |= 0x0001; //ICACHE/DCACHE and MMU enable
cr |= CR_MMU;
set_cr(cr);
#endif
@ -367,7 +371,7 @@ void mem_shutdown(void)
_dc_flush();
_drain_write_buffer();
u32 cr = get_cr();
cr &= ~0x1005; //disable ICACHE, DCACHE, MMU
cr &= ~(CR_MMU | CR_DCACHE | CR_ICACHE); //disable ICACHE, DCACHE, MMU
set_cr(cr);
_ic_inval();
_dc_inval();