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modify irq.h so that it can always be included, but will have dummy

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functions for loader (simplifies the rest of the code)
This commit is contained in:
bushing 2009-05-11 20:55:46 -07:00
parent 3da716812c
commit b797351848
2 changed files with 29 additions and 27 deletions
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11
irq.h
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@ -12,6 +12,7 @@ Copyright (C) 2008, 2009 Sven Peter <svenpeter@gmail.com>
#ifndef __IRQ_H__
#define __IRQ_H__
#ifdef CAN_HAZ_IRQ
#define IRQ_TIMER 0
#define IRQ_NAND 1
#define IRQ_AES 2
@ -66,7 +67,17 @@ static inline void irq_wait(void)
}
void irq_set_alarm(u32 ms, u8 enable);
#endif
#else
// stub functions allow us to avoid sprinkling other code with ifdefs
static inline u32 irq_kill(void) {
return 0;
}
static inline void irq_restore(u32 cookie) {
(void)cookie;
}
#endif
#endif

45
memory.c Normal file → Executable file
View File

@ -14,9 +14,7 @@ Copyright (C) 2008, 2009 Hector Martin "marcan" <marcan@marcansoft.com>
#include "utils.h"
#include "gecko.h"
#include "hollywood.h"
#ifdef CAN_HAZ_IRQ
#include "irq.h"
#endif
void _dc_inval_entries(void *start, int count);
void _dc_flush_entries(const void *start, int count);
@ -54,14 +52,6 @@ void _tlb_inval(void);
#define HW_188 (HW_REG_BASE + 0x188)
#define HW_18C (HW_REG_BASE + 0x18c)
#ifdef CAN_HAZ_IRQ
#define IRQ_PREAMBLE u32 cookie = irq_kill();
#define IRQ_POSTAMBLE irq_restore(cookie);
#else
#define IRQ_PREAMBLE /* */
#define IRQ_POSTAMBLE (void)0;
#endif
// what is this thing doing anyway?
// and why only on reads?
u32 _mc_read32(u32 addr)
@ -163,17 +153,18 @@ void _ahb_flush_to(enum AHBDEV dev) {
// invalidate device and then starlet
void ahb_flush_to(enum AHBDEV type)
{
IRQ_PREAMBLE
u32 cookie = irq_kill();
_ahb_flush_to(type);
if(type != AHB_STARLET)
_ahb_flush_to(AHB_STARLET);
IRQ_POSTAMBLE
irq_restore(cookie);
}
// flush device and also invalidate memory
void ahb_flush_from(enum AHBDEV dev)
{
IRQ_PREAMBLE
u32 cookie = irq_kill();
u16 req = 0;
u16 ack;
int i;
@ -210,12 +201,12 @@ IRQ_PREAMBLE
gecko_printf("ahb_flush(%d): Flush (0x%x) did not ack!\n", dev, req);
}
done:
IRQ_POSTAMBLE
irq_restore(cookie);
}
void dc_flushrange(const void *start, u32 size)
{
IRQ_PREAMBLE
u32 cookie = irq_kill();
if(size > 0x4000) {
_dc_flush();
} else {
@ -225,34 +216,34 @@ IRQ_PREAMBLE
}
_drain_write_buffer();
ahb_flush_from(AHB_1);
IRQ_POSTAMBLE
irq_restore(cookie);
}
void dc_invalidaterange(void *start, u32 size)
{
IRQ_PREAMBLE
u32 cookie = irq_kill();
void *end = ALIGN_FORWARD(((u8*)start) + size, LINESIZE);
start = ALIGN_BACKWARD(start, LINESIZE);
_dc_inval_entries(start, (end - start) / LINESIZE);
ahb_flush_to(AHB_STARLET);
IRQ_POSTAMBLE
irq_restore(cookie);
}
void dc_flushall(void)
{
IRQ_PREAMBLE
u32 cookie = irq_kill();
_dc_flush();
_drain_write_buffer();
ahb_flush_from(AHB_1);
IRQ_POSTAMBLE
irq_restore(cookie);
}
void ic_invalidateall(void)
{
IRQ_PREAMBLE
u32 cookie = irq_kill();
_ic_inval();
ahb_flush_to(AHB_STARLET);
IRQ_POSTAMBLE
irq_restore(cookie);
}
void mem_protect(int enable, void *start, void *end)
@ -321,7 +312,7 @@ void map_section(u32 from, u32 to, u32 size, u32 attributes)
void mem_initialize(void)
{
u32 cr;
IRQ_PREAMBLE
u32 cookie = irq_kill();
gecko_printf("MEM: cleaning up\n");
@ -364,12 +355,12 @@ IRQ_PREAMBLE
gecko_printf("MEM: init done\n");
IRQ_POSTAMBLE
irq_restore(cookie);
}
void mem_shutdown(void)
{
IRQ_PREAMBLE
u32 cookie = irq_kill();
_dc_flush();
_drain_write_buffer();
u32 cr = get_cr();
@ -378,6 +369,6 @@ IRQ_PREAMBLE
_ic_inval();
_dc_inval();
_tlb_inval();
IRQ_POSTAMBLE
irq_restore(cookie);
}
#endif
#endif