[PATCH 3/3] Add powerpc tests

[PATCH 3/3] Add powerpc tests

[Jerone Young]

This patch contains a small set of simple tests for testing guest
functionality for powerpc.
	

Signed-off-by: Jerone Young <jyoung5-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>

diff --git a/user/test/powerpc/io.S b/user/test/powerpc/io.S
new file mode 100644
--- /dev/null
+++ b/user/test/powerpc/io.S
@@ -0,0 +1,32 @@
+#define SPRN_MMUCR 0x3b2
+
+#define TLBWORD0 0xf0000210
+#define TLBWORD1 0xf0000000
+#define TLBWORD2 0x00000003
+
+.global _start
+_start:
+	li	r4, 0
+	mtspr	SPRN_MMUCR, r4
+
+	li	r3, 2
+
+	lis	r4, TLBWORD0@h
+	ori	r4, r4, TLBWORD0@l
+	tlbwe	r4, r3, 0
+
+	lis	r4, TLBWORD1@h
+	ori	r4, r4, TLBWORD1@l
+	tlbwe	r4, r3, 1
+
+	lis	r4, TLBWORD2@h
+	ori	r4, r4, TLBWORD2@l
+	tlbwe	r4, r3, 2
+
+	lis	r3, 0xf000
+	lis	r4, 0x1234
+	ori	r4, r4, 0x5678
+	stb	r4, 0(r3)
+	lbz	r5, 0(r3)
+
+	b	.
diff --git a/user/test/powerpc/spin.S b/user/test/powerpc/spin.S
new file mode 100644
--- /dev/null
+++ b/user/test/powerpc/spin.S
@@ -0,0 +1,4 @@
+
+.global _start
+_start:
+	b	.
diff --git a/user/test/powerpc/sprg.S b/user/test/powerpc/sprg.S
new file mode 100644
--- /dev/null
+++ b/user/test/powerpc/sprg.S
@@ -0,0 +1,7 @@
+
+.global _start
+_start:
+	li	r3, 42
+	mtsprg	0, r3
+	mfsprg	r4, 0
+	b	.
diff --git a/user/test/powerpc/tlbsx.S b/user/test/powerpc/tlbsx.S
new file mode 100644
--- /dev/null
+++ b/user/test/powerpc/tlbsx.S
@@ -0,0 +1,33 @@
+#define SPRN_MMUCR 0x3b2
+
+#define TLBWORD0 0x10000210
+#define TLBWORD1 0x10000000
+#define TLBWORD2 0x00000003
+
+.global _start
+_start:
+	li	r4, 0
+	mtspr	SPRN_MMUCR, r4
+
+	li	r3, 23
+
+	lis	r4, TLBWORD0@h
+	ori	r4, r4, TLBWORD0@l
+	tlbwe	r4, r3, 0
+
+	lis	r4, TLBWORD1@h
+	ori	r4, r4, TLBWORD1@l
+	tlbwe	r4, r3, 1
+
+	lis	r4, TLBWORD2@h
+	ori	r4, r4, TLBWORD2@l
+	tlbwe	r4, r3, 2
+
+	lis	r4, 0x1000
+	tlbsx	r5, r4, r0
+	cmpwi	r5, 23
+	beq	good
+	trap
+
+good:
+	b	.
diff --git a/user/test/powerpc/tlbwe.S b/user/test/powerpc/tlbwe.S
new file mode 100644
--- /dev/null
+++ b/user/test/powerpc/tlbwe.S
@@ -0,0 +1,27 @@
+#define SPRN_MMUCR 0x3b2
+
+/* Create a mapping at 4MB */
+#define TLBWORD0 0x00400210
+#define TLBWORD1 0x00400000
+#define TLBWORD2 0x00000003
+
+.global _start
+_start:
+	li	r4, 0
+	mtspr	SPRN_MMUCR, r4
+
+	li	r3, 23
+
+	lis	r4, TLBWORD0@h
+	ori	r4, r4, TLBWORD0@l
+	tlbwe	r4, r3, 0
+
+	lis	r4, TLBWORD1@h
+	ori	r4, r4, TLBWORD1@l
+	tlbwe	r4, r3, 1
+
+	lis	r4, TLBWORD2@h
+	ori	r4, r4, TLBWORD2@l
+	tlbwe	r4, r3, 2
+
+	b	.
diff --git a/user/test/powerpc/tlbwe_16KB.S b/user/test/powerpc/tlbwe_16KB.S
new file mode 100644
--- /dev/null
+++ b/user/test/powerpc/tlbwe_16KB.S
@@ -0,0 +1,35 @@
+#define SPRN_MMUCR 0x3b2
+
+/* 16KB mapping at 4MB */
+#define TLBWORD0 0x00400220
+#define TLBWORD1 0x00400000
+#define TLBWORD2 0x00000003
+
+.global _start
+_start:
+	li	r4, 0
+	mtspr	SPRN_MMUCR, r4
+
+	li	r3, 5
+
+	lis	r4, TLBWORD0@h
+	ori	r4, r4, TLBWORD0@l
+	tlbwe	r4, r3, 0
+
+	lis	r4, TLBWORD1@h
+	ori	r4, r4, TLBWORD1@l
+	tlbwe	r4, r3, 1
+
+	lis	r4, TLBWORD2@h
+	ori	r4, r4, TLBWORD2@l
+	tlbwe	r4, r3, 2
+
+	/* load from 4MB */
+	lis	r3, 0x0040
+	lwz	r4, 0(r3)
+
+	/* load from 4MB+8KB */
+	ori	r3, r3, 0x2000
+	lwz	r4, 0(r3)
+
+	b	.
diff --git a/user/test/powerpc/tlbwe_hole.S b/user/test/powerpc/tlbwe_hole.S
new file mode 100644
--- /dev/null
+++ b/user/test/powerpc/tlbwe_hole.S
@@ -0,0 +1,27 @@
+#define SPRN_MMUCR 0x3b2
+
+/* Try to map real address 1GB. */
+#define TLBWORD0 0x40000210
+#define TLBWORD1 0x40000000
+#define TLBWORD2 0x00000003
+
+.global _start
+_start:
+	li	r4, 0
+	mtspr	SPRN_MMUCR, r4
+
+	li	r3, 23
+
+	lis	r4, TLBWORD0@h
+	ori	r4, r4, TLBWORD0@l
+	tlbwe	r4, r3, 0
+
+	lis	r4, TLBWORD1@h
+	ori	r4, r4, TLBWORD1@l
+	tlbwe	r4, r3, 1
+
+	lis	r4, TLBWORD2@h
+	ori	r4, r4, TLBWORD2@l
+	tlbwe	r4, r3, 2
+
+	b	.



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Re: [kvm-ppc-devel] [PATCH 3/3] Add powerpc tests

[Kumar Gala]

On Oct 18, 2007, at 3:11 PM, Jerone Young wrote:

> This patch contains a small set of simple tests for testing guest
> functionality for powerpc.
> 	
>
> Signed-off-by: Jerone Young <jyoung5-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>

some of these tests should be marked a 44x specific (any tlb related  
ones)

- k


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