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more conversion to C

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This commit is contained in:
Markus Fröschle
2014-02-02 22:27:10 +00:00
parent fe5b7d466d
commit 25f66ae7f9
2 changed files with 16 additions and 17 deletions
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19
sys/exceptions.S
View File

@@ -187,27 +187,11 @@
.equ MCD_TT_FLAGS_RL, 0x1
.equ MCD_TT_FLAGS_SP, 0x4
.equ DMA_ALWAYS, 0
//---------------------------------------------------
/*********************************************************************
*
* General Purpose Timers (GPT)
*
*********************************************************************/
/* Register read/write macros */
#define MCF_GPT0_GMS __MBAR+0x800
/*********************************************************************
*
* Slice Timers (SLT)
*
*********************************************************************/
#define MCF_SLT0_SCNT __MBAR+0x908
/**********************************************************/
// macros
/**********************************************************/
.altmacro
.macro irq vector,int_mask,clr_int
move.w #0x2700,sr // disable interrupt
@@ -243,7 +227,7 @@
\st #\a << 24|\b<<16|\c<<8|\d,\tgt
.endm
.text
.text
_vec_init:
move.l a2,-(sp) // Backup registers
@@ -255,6 +239,7 @@ _vec_init:
movec d0,VBR
move.l d0,a0
move.l a0,a2
init_vec:
move.l #256,d0
lea std_exc_vec(pc),a1 // standard vector

14
sys/interrupts.c
View File

@@ -236,7 +236,21 @@ void pic_interrupt_handler(void)
void video_addr_timeout(void)
{
uint32_t addr;
dbg("%s:\r\n", __FUNCTION__);
flush_and_invalidate_cashes();
do
{
MCF_MMU_MMUAR = addr;
MCF_MMU_MMUOR =
MCF_MMU_MMUOR_STLB |
MCF_MMU_MMUOR_RW |
MCF_MMU_MMUOR_ACC;
NOP();
} while (1);
}
extern int32_t video_sbt;