|
 |
a6d77e |
From 55cd3491542a0d696451611a4cae38db78f964dd Mon Sep 17 00:00:00 2001
|
|
|
a6d77e |
Message-Id: <55cd3491542a0d696451611a4cae38db78f964dd.1431592766.git.panand@redhat.com>
|
|
|
a6d77e |
In-Reply-To: <1fb6841aa15407dbf371589d7abca7bc2d35815c.1431592766.git.panand@redhat.com>
|
|
|
a6d77e |
References: <1fb6841aa15407dbf371589d7abca7bc2d35815c.1431592766.git.panand@redhat.com>
|
|
|
a6d77e |
From: AKASHI Takahiro <takahiro.akashi@linaro.org>
|
|
|
a6d77e |
Date: Tue, 24 Feb 2015 15:48:29 +0900
|
|
|
a6d77e |
Subject: [PATCH 10/17] arm64: kdump: copy dtb file into crash kernel memory
|
|
|
a6d77e |
|
|
|
a6d77e |
---
|
|
|
a6d77e |
kexec/arch/arm64/crashdump-arm64.c | 6 ++++++
|
|
|
a6d77e |
kexec/arch/arm64/crashdump-arm64.h | 1 +
|
|
|
a6d77e |
kexec/arch/arm64/kexec-arm64.c | 15 +++++++++------
|
|
|
a6d77e |
3 files changed, 16 insertions(+), 6 deletions(-)
|
|
|
a6d77e |
|
|
|
a6d77e |
diff --git a/kexec/arch/arm64/crashdump-arm64.c b/kexec/arch/arm64/crashdump-arm64.c
|
|
|
a6d77e |
index ec83cf0c0f38..80f5985c5d85 100644
|
|
|
a6d77e |
--- a/kexec/arch/arm64/crashdump-arm64.c
|
|
|
a6d77e |
+++ b/kexec/arch/arm64/crashdump-arm64.c
|
|
|
a6d77e |
@@ -306,3 +306,9 @@ void set_crash_entry(struct mem_ehdr *ehdr, struct kexec_info *info)
|
|
|
a6d77e |
{
|
|
|
a6d77e |
info->entry = (void *)crash_reserved_mem.start + arm64_mem.text_offset;
|
|
|
a6d77e |
}
|
|
|
a6d77e |
+
|
|
|
a6d77e |
+off_t locate_dtb_in_crashmem(struct kexec_info *info, off_t dtb_size)
|
|
|
a6d77e |
+{
|
|
|
a6d77e |
+ return locate_hole(info, dtb_size, 128UL * 1024,
|
|
|
a6d77e |
+ crash_reserved_mem.start, crash_reserved_mem.end, -1);
|
|
|
a6d77e |
+}
|
|
|
a6d77e |
diff --git a/kexec/arch/arm64/crashdump-arm64.h b/kexec/arch/arm64/crashdump-arm64.h
|
|
|
a6d77e |
index 3f8b38350841..d4fd3f2288c9 100644
|
|
|
a6d77e |
--- a/kexec/arch/arm64/crashdump-arm64.h
|
|
|
a6d77e |
+++ b/kexec/arch/arm64/crashdump-arm64.h
|
|
|
a6d77e |
@@ -21,5 +21,6 @@ extern struct memory_ranges usablemem_rgns;
|
|
|
a6d77e |
int load_crashdump_segments(struct kexec_info *info, char **option);
|
|
|
a6d77e |
void modify_ehdr_for_crashmem(struct mem_ehdr *ehdr);
|
|
|
a6d77e |
void set_crash_entry(struct mem_ehdr *ehdr, struct kexec_info *info);
|
|
|
a6d77e |
+off_t locate_dtb_in_crashmem(struct kexec_info *info, off_t dtb_size);
|
|
|
a6d77e |
|
|
|
a6d77e |
#endif
|
|
|
a6d77e |
diff --git a/kexec/arch/arm64/kexec-arm64.c b/kexec/arch/arm64/kexec-arm64.c
|
|
|
a6d77e |
index 173631c66951..190037c75186 100644
|
|
|
a6d77e |
--- a/kexec/arch/arm64/kexec-arm64.c
|
|
|
a6d77e |
+++ b/kexec/arch/arm64/kexec-arm64.c
|
|
|
a6d77e |
@@ -650,12 +650,15 @@ int arm64_load_other_segments(struct kexec_info *info,
|
|
|
a6d77e |
|
|
|
a6d77e |
dtb_max = dtb_2.size + 2 * 1024;
|
|
|
a6d77e |
|
|
|
a6d77e |
- dtb_base = locate_hole(info, dtb_max, 128UL * 1024,
|
|
|
a6d77e |
- arm64_mem.memstart + arm64_mem.text_offset
|
|
|
a6d77e |
- + arm64_mem.image_size,
|
|
|
a6d77e |
- _ALIGN_UP(arm64_mem.memstart + arm64_mem.text_offset,
|
|
|
a6d77e |
- 512UL * 1024 * 1024),
|
|
|
a6d77e |
- 1);
|
|
|
a6d77e |
+ if (info->kexec_flags & KEXEC_ON_CRASH)
|
|
|
a6d77e |
+ dtb_base = locate_dtb_in_crashmem(info, dtb_max);
|
|
|
a6d77e |
+ else
|
|
|
a6d77e |
+ dtb_base = locate_hole(info, dtb_max, 128UL * 1024,
|
|
|
a6d77e |
+ arm64_mem.memstart + arm64_mem.text_offset
|
|
|
a6d77e |
+ + arm64_mem.image_size,
|
|
|
a6d77e |
+ _ALIGN_UP(arm64_mem.memstart + arm64_mem.text_offset,
|
|
|
a6d77e |
+ 512UL * 1024 * 1024),
|
|
|
a6d77e |
+ 1);
|
|
|
a6d77e |
|
|
|
a6d77e |
dbgprintf("dtb: base %lx, size %lxh (%ld)\n", dtb_base, dtb_2.size,
|
|
|
a6d77e |
dtb_2.size);
|
|
|
a6d77e |
--
|
|
|
a6d77e |
2.1.0
|
|
|
a6d77e |
|