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Mebbe speed up IPC a bit

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marcan 2009-03-18 18:21:25 +01:00 committed by bushing
parent e8e0851ebe
commit d6e55bbcd0
3 changed files with 17 additions and 3 deletions
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4
ipc.c
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@ -90,7 +90,7 @@ void ipc_post(u32 code, u32 tag, u32 num_args, ...)
} }
va_end(ap); va_end(ap);
} }
dc_flushrange((void*)&out_queue[out_tail], 32); dc_flush_block_fast((void*)&out_queue[out_tail]);
out_tail = (out_tail+1)&(IPC_OUT_SIZE-1); out_tail = (out_tail+1)&(IPC_OUT_SIZE-1);
poke_outtail(out_tail); poke_outtail(out_tail);
write32(HW_IPC_ARMCTRL, IPC_CTRL_IRQ_IN | IPC_CTRL_OUT); write32(HW_IPC_ARMCTRL, IPC_CTRL_IRQ_IN | IPC_CTRL_OUT);
@ -148,7 +148,7 @@ static void process_in(void)
//gecko_printf("IPC: process in %d @ %p\n",in_head,req); //gecko_printf("IPC: process in %d @ %p\n",in_head,req);
dc_invalidaterange((void*)req, 32); dc_inval_block_fast((void*)req);
//gecko_printf("IPC: req %08x %08x [%08x %08x %08x %08x %08x %08x]\n", req->code, req->tag, //gecko_printf("IPC: req %08x %08x [%08x %08x %08x %08x %08x %08x]\n", req->code, req->tag,
// req->args[0], req->args[1], req->args[2], req->args[3], req->args[4], req->args[5]); // req->args[0], req->args[1], req->args[2], req->args[3], req->args[4], req->args[5]);

2
memory.c
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@ -138,7 +138,7 @@ void ahb_flush_to(enum AHBDEV type)
{ {
u32 cookie = irq_kill(); u32 cookie = irq_kill();
_ahb_flush_to(type); _ahb_flush_to(type);
if(type != 0) if(type != AHB_STARLET)
_ahb_flush_to(AHB_STARLET); _ahb_flush_to(AHB_STARLET);
irq_restore(cookie); irq_restore(cookie);
} }

14
memory.h
View File

@ -82,5 +82,19 @@ static inline u32 get_far(void)
return data; return data;
} }
void _ahb_flush_to(enum AHBDEV dev);
static inline void dc_inval_block_fast(void *block)
{
__asm__ volatile ( "mcr\tp15, 0, %0, c7, c6, 1" :: "r" (block) );
_ahb_flush_to(AHB_STARLET); //TODO: check if really needed and if not, remove
}
static inline void dc_flush_block_fast(void *block)
{
__asm__ volatile ( "mcr\tp15, 0, %0, c7, c10, 1" :: "r" (block) );
__asm__ volatile ( "mcr\tp15, 0, %0, c7, c10, 4" :: "r" (0) );
ahb_flush_from(AHB_1); //TODO: check if really needed and if not, remove
}
#endif #endif