aboutsummaryrefslogtreecommitdiff
path: root/arch/sparc64
diff options
context:
space:
mode:
authorDavid S. Miller <davem@sunset.davemloft.net>2006-02-16 14:26:53 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2006-03-20 01:13:16 -0800
commit94f8762db9a80ed34252e9fe5fa38be87bb7826b (patch)
tree22279c62d2d4d583c64f1d2c6122f4eb98b429a6 /arch/sparc64
parentbc45e32e0fbf661d0c5c5b9c981bc0fe5da4901f (diff)
[SPARC64]: Add sun4v_cpu_qconf() hypervisor call.
Call it from register_one_mondo(). Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64')
-rw-r--r--arch/sparc64/kernel/entry.S12
-rw-r--r--arch/sparc64/kernel/irq.c26
2 files changed, 19 insertions, 19 deletions
diff --git a/arch/sparc64/kernel/entry.S b/arch/sparc64/kernel/entry.S
index bf40b065bcc..f5c8a293979 100644
--- a/arch/sparc64/kernel/entry.S
+++ b/arch/sparc64/kernel/entry.S
@@ -1772,3 +1772,15 @@ sun4v_intr_settarget:
retl
nop
+ /* %o0: type
+ * %o1: queue paddr
+ * %o2: num queue entries
+ *
+ * returns %o0: status
+ */
+ .globl sun4v_cpu_qconf
+sun4v_cpu_qconf:
+ mov HV_FAST_CPU_QCONF, %o5
+ ta HV_FAST_TRAP
+ retl
+ nop
diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c
index 4d9931d124a..e1729e5189a 100644
--- a/arch/sparc64/kernel/irq.c
+++ b/arch/sparc64/kernel/irq.c
@@ -939,25 +939,13 @@ void init_irqwork_curcpu(void)
static void __cpuinit register_one_mondo(unsigned long paddr, unsigned long type)
{
- register unsigned long func __asm__("%o5");
- register unsigned long arg0 __asm__("%o0");
- register unsigned long arg1 __asm__("%o1");
- register unsigned long arg2 __asm__("%o2");
-
- func = HV_FAST_CPU_QCONF;
- arg0 = type;
- arg1 = paddr;
- arg2 = 128; /* XXX Implied by Niagara queue offsets. XXX */
- __asm__ __volatile__("ta %8"
- : "=&r" (func), "=&r" (arg0),
- "=&r" (arg1), "=&r" (arg2)
- : "0" (func), "1" (arg0),
- "2" (arg1), "3" (arg2),
- "i" (HV_FAST_TRAP));
-
- if (arg0 != HV_EOK) {
- prom_printf("SUN4V: cpu_qconf(%lu) failed with error %lu\n",
- type, func);
+ unsigned long num_entries = 128;
+ unsigned long status;
+
+ status = sun4v_cpu_qconf(type, paddr, num_entries);
+ if (status != HV_EOK) {
+ prom_printf("SUN4V: sun4v_cpu_qconf(%lu:%lx:%lu) failed, "
+ "err %lu\n", type, paddr, num_entries, status);
prom_halt();
}
}