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baked everything together (trap #0 handler)

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Markus Fröschle
2013-05-01 14:32:23 +00:00
parent fa5c08e54c
commit 30373c5909
2 changed files with 6 additions and 0 deletions
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2
bas.lk.in
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@@ -44,6 +44,8 @@ SECTIONS
objs/exceptions.o(.text) objs/exceptions.o(.text)
objs/supervisor.o(.text) objs/supervisor.o(.text)
objs/illegal_instruction.o(.text) objs/illegal_instruction.o(.text)
objs/xhdi_sd.o(.text)
objs/xhdi_interface.o(text)
*(.data) *(.data)
*(.bss) *(.bss)

4
sources/exceptions.S
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@@ -20,6 +20,7 @@
.extern _video_tlb .extern _video_tlb
.extern _video_sbt .extern _video_sbt
.extern cpusha .extern cpusha
.extern _xhdi_sd_install /* trap #0 exception vector for installation of xhdi SD card driver */
/* Register read/write macros */ /* Register read/write macros */
#define MCF_MMU_MMUCR __MMUBAR #define MCF_MMU_MMUCR __MMUBAR
@@ -221,6 +222,9 @@ init_vec_loop:
subq.l #1,d0 subq.l #1,d0
bne init_vec_loop bne init_vec_loop
lea _xhdi_sd_install,a0
move.l a0,0x80 // trap #0 exception vector
move.l #__SUP_SP,(a0) move.l #__SUP_SP,(a0)
lea reset_vector(pc),a1 lea reset_vector(pc),a1
move.l a1,0x04(a0) move.l a1,0x04(a0)