diff options
Diffstat (limited to 'slof/ofw.S')
| -rw-r--r-- | slof/ofw.S | 97 |
1 files changed, 7 insertions, 90 deletions
@@ -11,102 +11,19 @@ *****************************************************************************/ #include <cpu.h> +#include <xvect.h> .section ".slof.loader","ax" - # get our address - -.base: - bcl 20,31,0f - .align 3 -.st: .quad _slof_text-.base -.stl: .quad _slof_text_size -.sd: .quad _slof_data-.base -.sdl: .quad _slof_data_size -.sbl: .quad _slof_bss_size -0: - mr r16,r3 # ROM Base - mfspr r17, HSPRG1 # Fixme, will be done in pcd - mflr r31 - subi r31,r31,4 - - # copy paflof text - - ld r3,.st-.base(r31) - add r3,r3,r31 - lis r4,_slof_text@h # Addr of engine code - ori r4,r4,_slof_text@l - ld r5,.stl-.base(31) - bl .copy - - lis r3,_slof_text@h # Addr of engine code - ori r3,r3,_slof_text@l - ld r4,.stl-.base(r31) - bl .flush - - # copy paflof data - - ld r3,.sd-.base(31) - add r3,r3,r31 - lis r4,_slof_data@h # Addr of engine data - ori r4,r4,_slof_data@l - ld r5,.sdl-.base(r31) - bl .copy - - lis r3,_slof_data@h # Addr of engine data - ori r3,r3,_slof_data@l - ld r4,.sdl-.base(r31) - bl .flush - - # zero paflof bss - - lis r3,_slof_bss@h # Addr of engine bss - ori r3,r3,_slof_bss@l - ld r4,.sbl-.base(r31) - bl .zero - - lis r3,_slof_bss@h # Addr of engine bss - ori r3,r3,_slof_bss@l - ld r4,.sbl-.base(r31) - bl .flush + mr r16, r4 # ROM Base + mfspr r17, HSPRG1 # Fixme, will be done in pcd # fill in handler address - lis r3,_slof_text@h - ori r3,r3,_slof_text@l - ld r3,0(r3) - std r3,0x2ff0(0) + lis r3, _slof_text@h + ori r3, r3, _slof_text@l + ld r3, 0(r3) + std r3, XVECT_M_HANDLER(0) # GO! - ba 0x100 - - -.zero: # zero from r3 size r4 - subi r3,r3,8 - addi r4,r4,7 - srwi r4,r4,3 - mtctr r4 - li r5,0 -0: - stdu r5,8(r3) - bdnz 0b - - blr - -.copy: # copy from 3 to 4 size 5 - subi r3,r3,8 - subi r4,r4,8 - addi r5,r5,7 - srwi r5,r5,3 - mtctr r5 -0: - ldu r5,8(r3) - stdu r5,8(r4) - bdnz 0b - - blr - -.flush: # flush at 3 size 4 - FLUSH_CACHE(r3, r4) - blr |