The PowerPC/Power ISA Time Base is a 64-bit register. We can use
the full lower 32 bits.
OK?
Index: arch/macppc/macppc/clock.c
===================================================================
RCS file: /cvs/src/sys/arch/macppc/macppc/clock.c,v
retrieving revision 1.44
diff -u -p -r1.44 clock.c
--- arch/macppc/macppc/clock.c 6 Jul 2020 13:33:08 -0000 1.44
+++ arch/macppc/macppc/clock.c 12 Jul 2020 15:17:48 -0000
@@ -57,7 +57,7 @@ u_int32_t ns_per_tick = 320;
static int32_t ticks_per_intr;
static struct timecounter tb_timecounter = {
- tb_get_timecount, NULL, 0x7fffffff, 0, "tb", 0, NULL, 0
+ tb_get_timecount, NULL, 0xffffffff, 0, "tb", 0, NULL, 0
};
/* calibrate the timecounter frequency for the listed models */
Index: arch/powerpc64/powerpc64/clock.c
===================================================================
RCS file: /cvs/src/sys/arch/powerpc64/powerpc64/clock.c,v
retrieving revision 1.1
diff -u -p -r1.1 clock.c
--- arch/powerpc64/powerpc64/clock.c 10 Jun 2020 19:06:53 -0000 1.1
+++ arch/powerpc64/powerpc64/clock.c 12 Jul 2020 15:18:02 -0000
@@ -37,7 +37,7 @@ struct evcount stat_count;
u_int tb_get_timecount(struct timecounter *);
static struct timecounter tb_timecounter = {
- tb_get_timecount, NULL, 0x7fffffff, 0, "tb", 0, NULL
+ tb_get_timecount, NULL, 0xffffffff, 0, "tb", 0, NULL
};
void cpu_startclock(void);
--
Christian "naddy" Weisgerber [email protected]
