diff options
Diffstat (limited to 'arch/arm/kernel')
-rw-r--r-- | arch/arm/kernel/head.S | 25 | ||||
-rw-r--r-- | arch/arm/kernel/vmlinux.lds.S | 1 |
2 files changed, 14 insertions, 12 deletions
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index cf495a3084b3..c5f0c52660b2 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S | |||
@@ -48,9 +48,11 @@ | |||
48 | .endm | 48 | .endm |
49 | 49 | ||
50 | #ifdef CONFIG_XIP_KERNEL | 50 | #ifdef CONFIG_XIP_KERNEL |
51 | #define TEXTADDR XIP_VIRT_ADDR(CONFIG_XIP_PHYS_ADDR) | 51 | #define KERNEL_START XIP_VIRT_ADDR(CONFIG_XIP_PHYS_ADDR) |
52 | #define KERNEL_END _edata_loc | ||
52 | #else | 53 | #else |
53 | #define TEXTADDR KERNEL_RAM_VADDR | 54 | #define KERNEL_START KERNEL_RAM_VADDR |
55 | #define KERNEL_END _end | ||
54 | #endif | 56 | #endif |
55 | 57 | ||
56 | /* | 58 | /* |
@@ -240,16 +242,15 @@ __create_page_tables: | |||
240 | * Now setup the pagetables for our kernel direct | 242 | * Now setup the pagetables for our kernel direct |
241 | * mapped region. | 243 | * mapped region. |
242 | */ | 244 | */ |
243 | add r0, r4, #(TEXTADDR & 0xff000000) >> 18 @ start of kernel | 245 | add r0, r4, #(KERNEL_START & 0xff000000) >> 18 |
244 | str r3, [r0, #(TEXTADDR & 0x00f00000) >> 18]! | 246 | str r3, [r0, #(KERNEL_START & 0x00f00000) >> 18]! |
245 | 247 | ldr r6, =(KERNEL_END - 1) | |
246 | ldr r6, =(_end - PAGE_OFFSET - 1) @ r6 = number of sections | 248 | add r0, r0, #4 |
247 | mov r6, r6, lsr #20 @ needed for kernel minus 1 | 249 | add r6, r4, r6, lsr #18 |
248 | 250 | 1: cmp r0, r6 | |
249 | 1: add r3, r3, #1 << 20 | 251 | add r3, r3, #1 << 20 |
250 | str r3, [r0, #4]! | 252 | strls r3, [r0], #4 |
251 | subs r6, r6, #1 | 253 | bls 1b |
252 | bgt 1b | ||
253 | 254 | ||
254 | /* | 255 | /* |
255 | * Then map first 1MB of ram in case it contains our boot params. | 256 | * Then map first 1MB of ram in case it contains our boot params. |
diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S index b929a60f7547..ddbdad48f5b2 100644 --- a/arch/arm/kernel/vmlinux.lds.S +++ b/arch/arm/kernel/vmlinux.lds.S | |||
@@ -156,6 +156,7 @@ SECTIONS | |||
156 | 156 | ||
157 | _edata = .; | 157 | _edata = .; |
158 | } | 158 | } |
159 | _edata_loc = __data_loc + SIZEOF(.data); | ||
159 | 160 | ||
160 | .bss : { | 161 | .bss : { |
161 | __bss_start = .; /* BSS */ | 162 | __bss_start = .; /* BSS */ |