diff options
Diffstat (limited to 'pk/boot.S')
-rw-r--r-- | pk/boot.S | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/pk/boot.S b/pk/boot.S new file mode 100644 index 0000000..0619671 --- /dev/null +++ b/pk/boot.S @@ -0,0 +1,23 @@ +#include "pcr.h" + + .section boottext + .global __start + .ent __start +__start: + + # set up SR + li $t0, SR_S | SR_PS | SR_ET | SR_UX | SR_KX + mtpcr $t0, $0 + + # set up trap table + la $t0, trap_table + mtpcr $t0, $3 + + # set up stack + la $sp,stack_top-64 + + # call into kernel + la $t0, boot + jr $t0 + + .end __start |