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-rw-r--r--arch/arm/boot/compressed/head.S30
1 files changed, 19 insertions, 11 deletions
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index 6fdf4abb718b..f9da41921c52 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -179,7 +179,7 @@ not_angel:
bl cache_on
restart: adr r0, LC0
- ldmia r0, {r1, r2, r3, r6, r9, r11, r12}
+ ldmia r0, {r1, r2, r3, r6, r10, r11, r12}
ldr sp, [r0, #28]
/*
@@ -188,6 +188,20 @@ restart: adr r0, LC0
*/
sub r0, r0, r1 @ calculate the delta offset
add r6, r6, r0 @ _edata
+ add r10, r10, r0 @ inflated kernel size location
+
+ /*
+ * The kernel build system appends the size of the
+ * decompressed kernel at the end of the compressed data
+ * in little-endian form.
+ */
+ ldrb r9, [r10, #0]
+ ldrb lr, [r10, #1]
+ orr r9, r9, lr, lsl #8
+ ldrb lr, [r10, #2]
+ ldrb r10, [r10, #3]
+ orr r9, r9, lr, lsl #16
+ orr r9, r9, r10, lsl #24
#ifndef CONFIG_ZBOOT_ROM
/* malloc space is above the relocated stack (64k max) */
@@ -347,10 +361,10 @@ LC0: .word LC0 @ r1
.word __bss_start @ r2
.word _end @ r3
.word _edata @ r6
- .word _image_size @ r9
+ .word input_data_end - 4 @ r10 (inflated size location)
.word _got_start @ r11
.word _got_end @ ip
- .word user_stack_end @ sp
+ .word .L_user_stack_end @ sp
.size LC0, . - LC0
#ifdef CONFIG_ARCH_RPC
@@ -763,12 +777,6 @@ proc_types:
W(b) __armv4_mmu_cache_off
W(b) __armv6_mmu_cache_flush
- .word 0x560f5810 @ Marvell PJ4 ARMv6
- .word 0xff0ffff0
- W(b) __armv4_mmu_cache_on
- W(b) __armv4_mmu_cache_off
- W(b) __armv6_mmu_cache_flush
-
.word 0x000f0000 @ new CPU Id
.word 0x000f0000
W(b) __armv7_mmu_cache_on
@@ -1094,5 +1102,5 @@ reloc_code_end:
.align
.section ".stack", "aw", %nobits
-user_stack: .space 4096
-user_stack_end:
+.L_user_stack: .space 4096
+.L_user_stack_end: