This patch defines the translation bits for PPC44x.
Signed-off-by : Suzuki K. Poulose <suzuki at in.ibm.com>
---
arch/ppc.c | 15 +++++++++++++++
makedumpfile.h | 4 ++++
2 files changed, 19 insertions(+), 0 deletions(-)
diff --git a/arch/ppc.c b/arch/ppc.c
index 0ad2cf4..b63a617 100644
--- a/arch/ppc.c
+++ b/arch/ppc.c
@@ -37,12 +37,27 @@ struct platform {
typedef int (*probe_func_t)(char *, struct platform *);
static int probe_default_platform(char *, struct platform*);
+static int probe_ppc44x_platform(char *, struct platform*);
probe_func_t probe_platforms[] = {
+ probe_ppc44x_platform,
probe_default_platform, /* This should be at the end of the list */
NULL
};
+static int probe_ppc44x_platform(char *s, struct platform *p)
+{
+ if (!strncmp(s, "ppc440", 6) || strcmp(s, "ppc470")) {
+ p->name = strdup(s);
+ p->pgdir_shift = PPC44x_PGDIR_SHIFT;
+ p->ptrs_per_pte = PPC44x_PTRS_PER_PTE;
+ p->pte_size = PPC44x_PTE_SIZE;
+
+ return TRUE;
+ }
+ return FALSE;
+}
+
static int probe_default_platform(char *s, struct platform *p)
{
/* Accept as the default platform */
diff --git a/makedumpfile.h b/makedumpfile.h
index 3a5152c..430202b 100644
--- a/makedumpfile.h
+++ b/makedumpfile.h
@@ -543,6 +543,10 @@ do { \
#define DEFAULT_PTRS_PER_PTE (1024)
#define DEFAULT_PTE_SIZE (sizeof(unsigned long))
+#define PPC44x_PGDIR_SHIFT (21)
+#define PPC44x_PTRS_PER_PTE (512)
+#define PPC44x_PTE_SIZE (sizeof(unsigned long long))
+
#define PGDIR_SHIFT (base_platform.pgdir_shift)
#define PTRS_PER_PTE (base_platform.ptrs_per_pte)
#define PTE_SIZE (base_platform.pte_size)
