diff options
Diffstat (limited to 'qemu/roms/openbios/arch/ppc/timebase.S')
| -rw-r--r-- | qemu/roms/openbios/arch/ppc/timebase.S | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/qemu/roms/openbios/arch/ppc/timebase.S b/qemu/roms/openbios/arch/ppc/timebase.S deleted file mode 100644 index 19faed49d..000000000 --- a/qemu/roms/openbios/arch/ppc/timebase.S +++ /dev/null @@ -1,33 +0,0 @@ -#include "asm/asmdefs.h" -#include "asm/processor.h" - -/* - * unsigned long long _get_ticks(void); - */ -_GLOBAL(_get_ticks): -1: mftbu r3 - mftb r4 - mftbu r5 - cmpw 0,r3,r5 - bne 1b - blr - -/* - * Delay for a number of ticks - */ -_GLOBAL(_wait_ticks): - mflr r8 /* save link register */ - mr r7, r3 /* save tick count */ - bl BRANCH_LABEL(_get_ticks) /* Get start time */ - - /* Calculate end time */ - addc r7, r4, r7 /* Compute end time lower */ - addze r6, r3 /* and end time upper */ - -1: bl BRANCH_LABEL(_get_ticks) /* Get current time */ - subfc r4, r4, r7 /* Subtract current time from end time */ - subfe. r3, r3, r6 - bge 1b /* Loop until time expired */ - - mtlr r8 /* restore link register */ - blr |