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authorStephen Rothwell <sfr@canb.auug.org.au>2005-09-28 00:17:40 +1000
committerStephen Rothwell <sfr@canb.auug.org.au>2005-09-28 00:17:40 +1000
commit99a2379cdddcc4e8579e70deb80479450ed65d49 (patch)
treed5c40a1e7ffabb87c3b1f1ae510eac80f4b52d05 /arch/powerpc
parent2952bc7c896ec76a20e18321e2be40a694a73a78 (diff)
powerpc: move hvCall.s to powerpc/platforms/iseries
Rename it to hvcall.S and (so I can do that) rename hvcall.c to hvlog.c - a more appropriate name. Do some white space cleanups. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/platforms/iseries/Makefile2
-rw-r--r--arch/powerpc/platforms/iseries/hvcall.S93
-rw-r--r--arch/powerpc/platforms/iseries/hvlog.c (renamed from arch/powerpc/platforms/iseries/hvcall.c)0
3 files changed, 94 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/iseries/Makefile b/arch/powerpc/platforms/iseries/Makefile
index a5e91c9db5c..3a9981a35e2 100644
--- a/arch/powerpc/platforms/iseries/Makefile
+++ b/arch/powerpc/platforms/iseries/Makefile
@@ -1 +1 @@
-obj-y += hvcall.o hvlpconfig.o lpardata.o setup.o mf.o lpevents.o
+obj-y += hvlog.o hvlpconfig.o lpardata.o setup.o mf.o lpevents.o hvcall.o
diff --git a/arch/powerpc/platforms/iseries/hvcall.S b/arch/powerpc/platforms/iseries/hvcall.S
new file mode 100644
index 00000000000..9901c0ec141
--- /dev/null
+++ b/arch/powerpc/platforms/iseries/hvcall.S
@@ -0,0 +1,93 @@
+/*
+ * This file contains the code to perform calls to the
+ * iSeries LPAR hypervisor
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <asm/ppc_asm.h>
+#include <asm/processor.h>
+
+ .text
+
+/*
+ * Hypervisor call
+ *
+ * Invoke the iSeries hypervisor via the System Call instruction
+ * Parameters are passed to this routine in registers r3 - r10
+ *
+ * r3 contains the HV function to be called
+ * r4-r10 contain the operands to the hypervisor function
+ *
+ */
+
+_GLOBAL(HvCall)
+_GLOBAL(HvCall0)
+_GLOBAL(HvCall1)
+_GLOBAL(HvCall2)
+_GLOBAL(HvCall3)
+_GLOBAL(HvCall4)
+_GLOBAL(HvCall5)
+_GLOBAL(HvCall6)
+_GLOBAL(HvCall7)
+
+
+ mfcr r0
+ std r0,-8(r1)
+ stdu r1,-(STACK_FRAME_OVERHEAD+16)(r1)
+
+ /* r0 = 0xffffffffffffffff indicates a hypervisor call */
+
+ li r0,-1
+
+ /* Invoke the hypervisor */
+
+ sc
+
+ ld r1,0(r1)
+ ld r0,-8(r1)
+ mtcrf 0xff,r0
+
+ /* return to caller, return value in r3 */
+
+ blr
+
+_GLOBAL(HvCall0Ret16)
+_GLOBAL(HvCall1Ret16)
+_GLOBAL(HvCall2Ret16)
+_GLOBAL(HvCall3Ret16)
+_GLOBAL(HvCall4Ret16)
+_GLOBAL(HvCall5Ret16)
+_GLOBAL(HvCall6Ret16)
+_GLOBAL(HvCall7Ret16)
+
+ mfcr r0
+ std r0,-8(r1)
+ std r31,-16(r1)
+ stdu r1,-(STACK_FRAME_OVERHEAD+32)(r1)
+
+ mr r31,r4
+ li r0,-1
+ mr r4,r5
+ mr r5,r6
+ mr r6,r7
+ mr r7,r8
+ mr r8,r9
+ mr r9,r10
+
+ sc
+
+ std r3,0(r31)
+ std r4,8(r31)
+
+ mr r3,r5
+
+ ld r1,0(r1)
+ ld r0,-8(r1)
+ mtcrf 0xff,r0
+ ld r31,-16(r1)
+
+ blr
diff --git a/arch/powerpc/platforms/iseries/hvcall.c b/arch/powerpc/platforms/iseries/hvlog.c
index f61e2e9ac9e..f61e2e9ac9e 100644
--- a/arch/powerpc/platforms/iseries/hvcall.c
+++ b/arch/powerpc/platforms/iseries/hvlog.c