Add a minimal dump-guest-memory support for ARM. The -p option is not
supported and we don't add any QEMU-specific notes.
Signed-off-by: Rabin Vincent <ra...@rab.in>
---
configure | 4 +--
target-arm/Makefile.objs | 2 +-
target-arm/arch_dump.c | 59 ++++++++++++++++++++++++++++++++++++++
target-arm/arch_memory_mapping.c | 13 +++++++++
4 files changed, 75 insertions(+), 3 deletions(-)
create mode 100644 target-arm/arch_dump.c
create mode 100644 target-arm/arch_memory_mapping.c
diff --git a/configure b/configure
index b68c0ca..a20ad19 100755
--- a/configure
+++ b/configure
@@ -3727,7 +3727,7 @@ case "$target_arch2" in
fi
esac
case "$target_arch2" in
- i386|x86_64)
+ arm|i386|x86_64)
echo "CONFIG_HAVE_GET_MEMORY_MAPPING=y" >> $config_target_mak
esac
if test "$target_arch2" = "ppc64" -a "$fdt" = "yes"; then
@@ -3746,7 +3746,7 @@ if test "$target_softmmu" = "yes" ; then
echo "subdir-$target: subdir-libcacard" >> $config_host_mak
fi
case "$target_arch2" in
- i386|x86_64)
+ arm|i386|x86_64)
echo "CONFIG_HAVE_CORE_DUMP=y" >> $config_target_mak
esac
fi
diff --git a/target-arm/Makefile.objs b/target-arm/Makefile.objs
index f447c4f..837b374 100644
--- a/target-arm/Makefile.objs
+++ b/target-arm/Makefile.objs
@@ -1,5 +1,5 @@
obj-y += arm-semi.o
-obj-$(CONFIG_SOFTMMU) += machine.o
+obj-$(CONFIG_SOFTMMU) += machine.o arch_memory_mapping.o arch_dump.o
obj-y += translate.o op_helper.o helper.o cpu.o
obj-y += neon_helper.o iwmmxt_helper.o
diff --git a/target-arm/arch_dump.c b/target-arm/arch_dump.c
new file mode 100644
index 0000000..47a7e40
--- /dev/null
+++ b/target-arm/arch_dump.c
@@ -0,0 +1,59 @@
+#include "cpu.h"
+#include "cpu-all.h"
+#include "dump.h"
+#include "elf.h"
+
+typedef struct {
+ char pad1[24];
+ uint32_t pid;
+ char pad2[44];
+ uint32_t regs[18];
+ char pad3[4];
+} arm_elf_prstatus;
+
+int cpu_write_elf64_note(write_core_dump_function f, CPUArchState *env,
+ int cpuid, void *opaque)
+{
+ return -1;
+}
+
+int cpu_write_elf32_note(write_core_dump_function f, CPUArchState *env,
+ int cpuid, void *opaque)
+{
+ arm_elf_prstatus prstatus;
+
+ memset(&prstatus, 0, sizeof(prstatus));
+ memcpy(&(prstatus.regs), env->regs, sizeof(env->regs));
+ prstatus.pid = cpuid;
+
+ return dump_write_elf_note(ELFCLASS32, "CORE", NT_PRSTATUS,
+ &prstatus, sizeof(prstatus),
+ f, opaque);
+}
+
+int cpu_write_elf64_qemunote(write_core_dump_function f, CPUArchState *env,
+ void *opaque)
+{
+ return -1;
+}
+
+int cpu_write_elf32_qemunote(write_core_dump_function f, CPUArchState *env,
+ void *opaque)
+{
+ return 0;
+}
+
+int cpu_get_dump_info(ArchDumpInfo *info)
+{
+ info->d_machine = EM_ARM;
+ info->d_endian = ELFDATA2LSB;
+ info->d_class = ELFCLASS32;
+
+ return 0;
+}
+
+ssize_t cpu_get_note_size(int class, int machine, int nr_cpus)
+{
+ return nr_cpus * dump_get_note_size(ELFCLASS32, "CORE",
+ sizeof(arm_elf_prstatus));
+}
diff --git a/target-arm/arch_memory_mapping.c b/target-arm/arch_memory_mapping.c
new file mode 100644
index 0000000..eeaaf09
--- /dev/null
+++ b/target-arm/arch_memory_mapping.c
@@ -0,0 +1,13 @@
+#include "cpu.h"
+#include "cpu-all.h"
+#include "memory_mapping.h"
+
+bool cpu_paging_enabled(CPUArchState *env)
+{
+ return 0;
+}
+
+int cpu_get_memory_mapping(MemoryMappingList *list, CPUArchState *env)
+{
+ return -1;
+}
--
1.7.9.5
