diff options
Diffstat (limited to 'arch/arm/kernel')
| -rw-r--r-- | arch/arm/kernel/head.S | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index a94dd99..591a2ea 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -206,11 +206,17 @@ __create_page_tables: #endif /* - * Then map first 1MB of ram in case it contains our boot params. + * Then map boot params address in r2 or + * the first 1MB of ram if boot params address is not specified. */ - add r0, r4, #PAGE_OFFSET >> 18 - orr r6, r7, r8 - str r6, [r0] + mov r0, r2, lsr #20 + movs r0, r0, lsl #20 + moveq r0, r8 + sub r3, r0, r8 + add r3, r3, #PAGE_OFFSET + add r3, r4, r3, lsr #18 + orr r6, r7, r0 + str r6, [r3] #ifdef CONFIG_DEBUG_LL #ifndef CONFIG_DEBUG_ICEDCC |