[PATCH 3/3] Add dcr read/write to the PowerPC kvmctl implementation

[Christian Ehrhardt <ehrhardt-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>]

Subject: [PATCH 3/3] Add dcr read/write to the PowerPC kvmctl implementation
From: Christian Ehrhardt <ehrhardt-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>

Adds simple functions to catch dcr access while executing testcases printing
information about that access when triggered.

Signed-off-by: Christian Ehrhardt <ehrhardt-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>

---
 main-ppc.c |   15 +++++++++++++++
 1 files changed, 15 insertions(+)

diff -r d19893c744fa user/main-ppc.c
--- a/user/main-ppc.c	Wed Jan 09 14:06:38 2008 +0100
+++ b/user/main-ppc.c	Wed Jan 09 14:34:49 2008 +0100
@@ -146,6 +146,19 @@ static int test_mem_write(void *opaque, 
 	return 0;
 }
 
+static int test_dcr_read(kvm_context_t kvm, uint32_t dcrn, uint32_t *data)
+{
+	printf("%s: dcrn %04X\n", __func__, dcrn);
+	*data = 0;
+	return 0;
+}
+
+static int test_dcr_write(kvm_context_t kvm, uint32_t dcrn, uint32_t data)
+{
+	printf("%s: dcrn %04X data %04X\n", __func__, dcrn, data);
+	return 0;
+}
+
 static struct kvm_callbacks test_callbacks = {
 	.mmio_read   = test_mem_read,
 	.mmio_write  = test_mem_write,
@@ -155,6 +168,8 @@ static struct kvm_callbacks test_callbac
 	.try_push_interrupts = test_try_push_interrupts,
 	.post_kvm_run = test_post_kvm_run,
 	.pre_kvm_run = test_pre_kvm_run,
+	.powerpc_dcr_read = test_dcr_read,
+	.powerpc_dcr_write = test_dcr_write,
 };
 
 static unsigned long load_file(void *mem, const char *fname, int inval_icache)

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