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From dd86e7cedfc0509df5dd7f824611d59cf7e9f007 Mon Sep 17 00:00:00 2001
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Message-Id: <dd86e7cedfc0509df5dd7f824611d59cf7e9f007.1431592766.git.panand@redhat.com>
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In-Reply-To: <1fb6841aa15407dbf371589d7abca7bc2d35815c.1431592766.git.panand@redhat.com>
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References: <1fb6841aa15407dbf371589d7abca7bc2d35815c.1431592766.git.panand@redhat.com>
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From: AKASHI Takahiro <takahiro.akashi@linaro.org>
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Date: Tue, 24 Feb 2015 16:46:35 +0900
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Subject: [PATCH 09/17] arm64: kdump: append kdump-specific parameter to
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command line
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---
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kexec/arch/arm64/kexec-arm64.c | 9 +++++++--
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kexec/arch/arm64/kexec-arm64.h | 2 +-
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kexec/arch/arm64/kexec-elf-arm64.c | 3 ++-
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3 files changed, 10 insertions(+), 4 deletions(-)
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diff --git a/kexec/arch/arm64/kexec-arm64.c b/kexec/arch/arm64/kexec-arm64.c
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index e83e83bdd6db..173631c66951 100644
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--- a/kexec/arch/arm64/kexec-arm64.c
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+++ b/kexec/arch/arm64/kexec-arm64.c
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@@ -586,7 +586,7 @@ static uint64_t read_sink(const char *command_line)
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*/
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int arm64_load_other_segments(struct kexec_info *info,
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- unsigned long kernel_entry)
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+ unsigned long kernel_entry, char *option)
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{
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int result;
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struct mem_ehdr ehdr;
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@@ -599,14 +599,19 @@ int arm64_load_other_segments(struct kexec_info *info,
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struct dtb dtb_2 = {.name = "dtb_2"};
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char command_line[COMMAND_LINE_SIZE] = "";
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+ dbgprintf("%s:%d: add '%s' to command line\n", __func__, __LINE__,
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+ option);
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+
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if (arm64_opts.command_line) {
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strncpy(command_line, arm64_opts.command_line,
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sizeof(command_line));
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command_line[sizeof(command_line) - 1] = 0;
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}
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- purgatory_sink = read_sink(command_line);
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+ if (option && option[0])
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+ strcat(command_line, option);
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+ purgatory_sink = read_sink(command_line);
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dbgprintf("%s:%d: purgatory sink: 0x%" PRIx64 "\n", __func__, __LINE__,
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purgatory_sink);
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diff --git a/kexec/arch/arm64/kexec-arm64.h b/kexec/arch/arm64/kexec-arm64.h
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index 7f0ca13fec11..7e4d0568bd01 100644
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--- a/kexec/arch/arm64/kexec-arm64.h
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+++ b/kexec/arch/arm64/kexec-arm64.h
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@@ -48,6 +48,6 @@ extern struct arm64_mem arm64_mem;
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int arm64_process_image_header(const struct arm64_image_header *h);
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int arm64_load_other_segments(struct kexec_info *info,
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- unsigned long kernel_entry);
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+ unsigned long kernel_entry, char *option);
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#endif
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diff --git a/kexec/arch/arm64/kexec-elf-arm64.c b/kexec/arch/arm64/kexec-elf-arm64.c
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index 903602985eb4..f5ecda825278 100644
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--- a/kexec/arch/arm64/kexec-elf-arm64.c
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+++ b/kexec/arch/arm64/kexec-elf-arm64.c
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@@ -123,7 +123,8 @@ int elf_arm64_load(int argc, char **argv, const char *kernel_buf,
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dbgprintf("%s: e_entry: %016llx -> %016lx\n", __func__,
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ehdr.e_entry, virt_to_phys(ehdr.e_entry));
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- result = arm64_load_other_segments(info, (unsigned long)info->entry);
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+ result = arm64_load_other_segments(info, (unsigned long)info->entry,
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+ header_option);
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exit:
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free_elf_info(&ehdr);
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if (header_option)
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--
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2.1.0
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