Firebee/BaS_gcc
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fixed formatting

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This commit is contained in:
Markus Fröschle
2015-01-07 13:54:35 +00:00
parent 1ca15ed48b
commit 19c8636eae
4 changed files with 64 additions and 50 deletions
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40
sys/exceptions.S
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@@ -225,7 +225,7 @@ init_vec_loop:
move.l a1,(INT_SOURCE_XLBPCI + 64) * 4(a0)
#ifndef MACHINE_FIREBEE
// FEC1 not wired on the FireBee, but used on other machines
// FEC1 not wired on the FireBee (used for FPGA as GPIO), but used on other machines
move.l a1,(INT_SOURCE_FEC1 + 64) * 4(a0)
#endif
@@ -234,6 +234,7 @@ init_vec_loop:
move.l (sp)+,a2 // Restore registers
rts
/*
* exception vector routines
*/
@@ -295,8 +296,8 @@ reset_vector:
move.w #0x2700,sr // disable interrupt
move.l #0x31415926,d0
cmp.l 0x426,d0 // _resvalid: reset vector valid?
beq std_exc_vec // yes->
jmp _rom_entry // no, cold start machine
beq std_exc_vec // yes->
jmp _rom_entry // no, cold start machine
access:
move.w #0x2700,sr // disable interrupts
@@ -310,7 +311,7 @@ access:
move.l MCF_MMU_MMUSR,-(sp) // MMU status regisrter
move.w #0x2300,sr // can lower interrupt mask now that MMU status is safe
jsr _mmutr_miss // call C routine
lea 4 * 4(sp),sp // adjust stack
lea 4 * 4(sp),sp // adjust stack
tst.l d0 // exception handler signals bus error
bne bus_error
@@ -402,16 +403,16 @@ irq7:
irq 0x7c,7,0x80 // IRQ7
mfp_irq1:
irq 0x104,1,0x02 // IRQ1
irq 0x104,1,0x02 // MFP IRQ1
mfp_irq2:
irq 0x108,2,0x04 // IRQ2
irq 0x108,2,0x04 // MFP IRQ2
mfp_irq3:
irq 0x10c,3,0x08 // IRQ3
irq 0x10c,3,0x08 // MFP IRQ3
mfp_irq4:
irq 0x110,4,0x10 // IRQ4
irq 0x110,4,0x10 // MFP IRQ4
#if MACHINE_M5484LITE_notyet // handlers for M5484LITE
@@ -531,12 +532,12 @@ mfp_irq6_non_sca:
lea 0xfffffa0b,a5
bset #7,-4(a5) // int ena
btst.b #7,(a5) // acsi dma int?
beq mfp_non_acsi_dma
bsr acsi_dma
beq mfp_non_acsi_dma
bsr acsi_dma
mfp_non_acsi_dma:
// ----------------------------------------------------------------------------------
tst.b (a5)
bne mfp_irq6_1
bne mfp_irq6_1
tst.b 2(a5)
bne mfp_irq6_1
movem.l (sp),d0/a5
@@ -591,11 +592,11 @@ acsi_dma: // atari dma
move.l a1,-(sp)
move.l d1,-(sp)
//lea MCF_PSC0_PSCTB_8BIT,a1 // ++ vr
// mchar move.l, 'D,'M','A,'\ ,(a1)
//move.l #"DMA ",(a1)
// mchar move.l,'I,'N,'T,'!,(a1)
// move.l #'INT!',(a1)
//lea MCF_PSC0_PSCTB_8BIT,a1 // ++ vr
//mchar move.l, 'D,'M','A,'\ ,(a1)
//move.l #"DMA ",(a1)
//mchar move.l,'I,'N,'T,'!,(a1)
//move.l #'INT!',(a1)
lea 0xf0020110,a5 // fifo daten
acsi_dma_start:
@@ -684,6 +685,11 @@ mfp_irq7:
* when the video base address gets changed
*/
/*
* TODO: remove. This interrupt still fires, but doesn't do anything anymore.
* BaS_gcc handles FPGA RAM as STRAM, so there is no page copy necessary as
* it was with previous versions.
*/
handler_gpt0:
.extern _gpt0_interrupt_handler
@@ -721,7 +727,7 @@ _lowlevel_isr_handler:
lsr.l #2,d0 // move it in place
andi.l #0xff,d0 // mask it out
move.l d0,-(sp) // push it
jsr _isr_execute_handler // call the C handler
jsr _isr_execute_handler // call the C handler
addq.l #4,sp // adjust stack
movem.l (sp),d0-d1/a0-a1 // restore registers