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-rw-r--r--arch/arm/kernel/head.S18
1 files changed, 9 insertions, 9 deletions
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index 5365d4e..ebc3e74 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -234,18 +234,18 @@ __create_page_tables:
/*
* Now setup the pagetables for our kernel direct
- * mapped region. We round TEXTADDR down to the
- * nearest megabyte boundary. It is assumed that
- * the kernel fits within 4 contigous 1MB sections.
+ * mapped region.
*/
add r0, r4, #(TEXTADDR & 0xff000000) >> 18 @ start of kernel
str r3, [r0, #(TEXTADDR & 0x00f00000) >> 18]!
- add r3, r3, #1 << 20
- str r3, [r0, #4]! @ KERNEL + 1MB
- add r3, r3, #1 << 20
- str r3, [r0, #4]! @ KERNEL + 2MB
- add r3, r3, #1 << 20
- str r3, [r0, #4] @ KERNEL + 3MB
+
+ ldr r6, =(_end - PAGE_OFFSET - 1) @ r6 = number of sections
+ mov r6, r6, lsr #20 @ needed for kernel minus 1
+
+1: add r3, r3, #1 << 20
+ str r3, [r0, #4]!
+ subs r6, r6, #1
+ bgt 1b
/*
* Then map first 1MB of ram in case it contains our boot params.