From: "Suzuki K. Poulose" <suzuki@in.ibm.com>
To: kumagai-atsushi@mxc.nes.nec.co.jp
Cc: kexec@lists.infradead.org
Subject: [PATCH v1 4/4] [makedumpfile][ppc] PPC44x page translation definitions
Date: Thu, 16 Feb 2012 09:07:07 +0530 [thread overview]
Message-ID: <20120216033656.7972.19596.stgit@suzukikp> (raw)
In-Reply-To: <20120216033411.7972.77705.stgit@suzukikp>
This patch defines the translation bits for PPC44x.
Signed-off-by : Suzuki K. Poulose <suzuki@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)
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next prev parent reply other threads:[~2012-02-16 3:38 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-16 3:35 [PATCH v1 0/4][makedumpfile] vmalloc translation support for PPC32 Suzuki K. Poulose
2012-02-16 3:35 ` [PATCH v1 1/4] [makedumpfile] Add read_string routine Suzuki K. Poulose
2012-04-20 1:47 ` Atsushi Kumagai
2012-02-16 3:36 ` [PATCH v1 2/4] [makedumpfile][ppc] Generic vmalloc translation support Suzuki K. Poulose
2012-02-16 3:36 ` [PATCH v1 3/4] [makedumpfile][ppc] Define platform descriptors for page translation Suzuki K. Poulose
2012-02-16 3:37 ` Suzuki K. Poulose [this message]
2012-02-17 0:32 ` [PATCH v1 0/4][makedumpfile] vmalloc translation support for PPC32 Atsushi Kumagai
2012-02-17 5:55 ` Suzuki K. Poulose
2012-02-17 8:39 ` Benjamin Herrenschmidt
2012-02-20 9:56 ` Atsushi Kumagai
2012-02-20 10:31 ` Suzuki K. Poulose
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