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-rw-r--r--arch/loongarch/Kconfig12
-rw-r--r--arch/loongarch/Makefile4
-rw-r--r--arch/loongarch/configs/loongson3_defconfig1
-rw-r--r--arch/loongarch/include/asm/addrspace.h2
-rw-r--r--arch/loongarch/kernel/head.S2
5 files changed, 5 insertions, 16 deletions
diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig
index 2fc18a3c565e..c6a02d26b3e5 100644
--- a/arch/loongarch/Kconfig
+++ b/arch/loongarch/Kconfig
@@ -473,6 +473,7 @@ config KEXEC
config CRASH_DUMP
bool "Build kdump crash kernel"
+ select RELOCATABLE
help
Generate crash dump after being started by kexec. This should
be normally only set in special crash dump kernels which are
@@ -482,17 +483,6 @@ config CRASH_DUMP
For more details see Documentation/admin-guide/kdump/kdump.rst
-config PHYSICAL_START
- hex "Physical address where the kernel is loaded"
- default "0x90000000a0000000"
- depends on CRASH_DUMP
- help
- This gives the XKPRANGE address where the kernel is loaded.
- If you plan to use kernel for capturing the crash dump change
- this value to start of the reserved region (the "X" value as
- specified in the "crashkernel=YM@XM" command line boot parameter
- passed to the panic-ed kernel).
-
config RELOCATABLE
bool "Relocatable kernel"
help
diff --git a/arch/loongarch/Makefile b/arch/loongarch/Makefile
index 768592998b39..f71edf574101 100644
--- a/arch/loongarch/Makefile
+++ b/arch/loongarch/Makefile
@@ -79,11 +79,7 @@ endif
cflags-y += -ffreestanding
cflags-y += $(call cc-option, -mno-check-zero-division)
-ifndef CONFIG_PHYSICAL_START
load-y = 0x9000000000200000
-else
-load-y = $(CONFIG_PHYSICAL_START)
-endif
bootvars-y = VMLINUX_LOAD_ADDRESS=$(load-y)
drivers-$(CONFIG_PCI) += arch/loongarch/pci/
diff --git a/arch/loongarch/configs/loongson3_defconfig b/arch/loongarch/configs/loongson3_defconfig
index eb84cae642e5..e18213f01cc4 100644
--- a/arch/loongarch/configs/loongson3_defconfig
+++ b/arch/loongarch/configs/loongson3_defconfig
@@ -48,6 +48,7 @@ CONFIG_HOTPLUG_CPU=y
CONFIG_NR_CPUS=64
CONFIG_NUMA=y
CONFIG_KEXEC=y
+CONFIG_CRASH_DUMP=y
CONFIG_SUSPEND=y
CONFIG_HIBERNATION=y
CONFIG_ACPI=y
diff --git a/arch/loongarch/include/asm/addrspace.h b/arch/loongarch/include/asm/addrspace.h
index d342935e5a72..8fb699b4d40a 100644
--- a/arch/loongarch/include/asm/addrspace.h
+++ b/arch/loongarch/include/asm/addrspace.h
@@ -125,4 +125,6 @@ extern unsigned long vm_map_base;
#define ISA_IOSIZE SZ_16K
#define IO_SPACE_LIMIT (PCI_IOSIZE - 1)
+#define PHYS_LINK_KADDR PHYSADDR(VMLINUX_LOAD_ADDRESS)
+
#endif /* _ASM_ADDRSPACE_H */
diff --git a/arch/loongarch/kernel/head.S b/arch/loongarch/kernel/head.S
index 1d35becc01ee..aa64b179744f 100644
--- a/arch/loongarch/kernel/head.S
+++ b/arch/loongarch/kernel/head.S
@@ -24,7 +24,7 @@ _head:
.org 0x8
.dword kernel_entry /* Kernel entry point */
.dword _end - _text /* Kernel image effective size */
- .quad 0 /* Kernel image load offset from start of RAM */
+ .quad PHYS_LINK_KADDR /* Kernel image load offset from start of RAM */
.org 0x38 /* 0x20 ~ 0x37 reserved */
.long LINUX_PE_MAGIC
.long pe_header - _head /* Offset to the PE header */