[PATCH 2/2] ARM: add malloc size to decompressor kexec size structure
From: Russell King <hidden>
Date: 2020-08-06 11:15:39
Also in:
lkml
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
Add the required malloc size to the decompressor kexec size structure. Signed-off-by: Russell King <redacted> --- arch/arm/boot/compressed/Makefile | 5 ++++- arch/arm/boot/compressed/head.S | 4 ++-- arch/arm/boot/compressed/vmlinux.lds.S | 3 ++- 3 files changed, 8 insertions(+), 4 deletions(-)
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index 0890d82b8cf4..432af49ddbcb 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile@@ -7,7 +7,6 @@ OBJS = -AFLAGS_head.o += -DTEXT_OFFSET=$(TEXT_OFFSET) HEAD = head.o OBJS += misc.o decompress.o ifeq ($(CONFIG_DEBUG_UNCOMPRESS),y)
@@ -69,8 +68,12 @@ ZTEXTADDR := 0 ZBSSADDR := ALIGN(8) endif +MALLOC_SIZE := 65536 + +AFLAGS_head.o += -DTEXT_OFFSET=$(TEXT_OFFSET) -DMALLOC_SIZE=$(MALLOC_SIZE) CPPFLAGS_vmlinux.lds := -DTEXT_START="$(ZTEXTADDR)" -DBSS_START="$(ZBSSADDR)" CPPFLAGS_vmlinux.lds += -DTEXT_OFFSET="$(TEXT_OFFSET)" +CPPFLAGS_vmlinux.lds += -DMALLOC_SIZE="$(MALLOC_SIZE)" compress-$(CONFIG_KERNEL_GZIP) = gzip compress-$(CONFIG_KERNEL_LZO) = lzo
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index 7f24f0852a94..2ea4521bf7df 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S@@ -299,7 +299,7 @@ restart: adr r0, LC1 #ifndef CONFIG_ZBOOT_ROM /* malloc space is above the relocated stack (64k max) */ - add r10, sp, #0x10000 + add r10, sp, #MALLOC_SIZE #else /* * With ZBOOT_ROM the bss/stack is non relocatable,
@@ -610,7 +610,7 @@ not_relocated: mov r0, #0 */ mov r0, r4 mov r1, sp @ malloc space above stack - add r2, sp, #0x10000 @ 64k max + add r2, sp, #MALLOC_SIZE @ 64k max mov r3, r7 bl decompress_kernel
diff --git a/arch/arm/boot/compressed/vmlinux.lds.S b/arch/arm/boot/compressed/vmlinux.lds.S
index da1f6fa5345b..0ed4d82d3782 100644
--- a/arch/arm/boot/compressed/vmlinux.lds.S
+++ b/arch/arm/boot/compressed/vmlinux.lds.S@@ -42,11 +42,12 @@ SECTIONS } .table : ALIGN(4) { _table_start = .; - LONG(ZIMAGE_MAGIC(5)) + LONG(ZIMAGE_MAGIC(6)) LONG(ZIMAGE_MAGIC(0x5a534c4b)) LONG(ZIMAGE_MAGIC(__piggy_size_addr - _start)) LONG(ZIMAGE_MAGIC(_kernel_bss_size)) LONG(ZIMAGE_MAGIC(TEXT_OFFSET)) + LONG(ZIMAGE_MAGIC(MALLOC_SIZE)) LONG(0) _table_end = .; }
--
2.20.1
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