diff options
author | Zhong Hongbo <bocui107@gmail.com> | 2012-07-07 03:24:33 +0000 |
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committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-07-20 14:24:08 +0200 |
commit | 448217d4b2e11b11ae5addd1d1f752ce194d6af0 (patch) | |
tree | 0bac7b2fb11a99bf7d8c256a484188b2ca11e66c /arch | |
parent | 3ec81d758c09d6887a77a1b1259d044a2905bc8e (diff) | |
download | u-boot-imx-448217d4b2e11b11ae5addd1d1f752ce194d6af0.zip u-boot-imx-448217d4b2e11b11ae5addd1d1f752ce194d6af0.tar.gz u-boot-imx-448217d4b2e11b11ae5addd1d1f752ce194d6af0.tar.bz2 |
arm: Fix to mistake clean the memory space
In currently, when __bss_start is equal to __bss_end__,
The bss loop will clear all the things in memory space.
But just only when __bss_end__ greater than __bss_start__,
we do the clear bss section operation.
Signed-off-by: Zhong Hongbo <bocui107@gmail.com>
Acked-by: Andreas Bießmann <andreas.devel@googlemail.com>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/cpu/arm1136/start.S | 8 | ||||
-rw-r--r-- | arch/arm/cpu/arm1176/start.S | 9 | ||||
-rw-r--r-- | arch/arm/cpu/arm720t/start.S | 8 | ||||
-rw-r--r-- | arch/arm/cpu/arm920t/start.S | 8 | ||||
-rw-r--r-- | arch/arm/cpu/arm925t/start.S | 8 | ||||
-rw-r--r-- | arch/arm/cpu/arm946es/start.S | 8 | ||||
-rw-r--r-- | arch/arm/cpu/arm_intcm/start.S | 8 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/start.S | 8 | ||||
-rw-r--r-- | arch/arm/cpu/ixp/start.S | 8 | ||||
-rw-r--r-- | arch/arm/cpu/lh7a40x/start.S | 8 | ||||
-rw-r--r-- | arch/arm/cpu/pxa/start.S | 8 | ||||
-rw-r--r-- | arch/arm/cpu/s3c44b0/start.S | 8 | ||||
-rw-r--r-- | arch/arm/cpu/sa1100/start.S | 8 |
13 files changed, 65 insertions, 40 deletions
diff --git a/arch/arm/cpu/arm1136/start.S b/arch/arm/cpu/arm1136/start.S index c0db96c..2483c63 100644 --- a/arch/arm/cpu/arm1136/start.S +++ b/arch/arm/cpu/arm1136/start.S @@ -251,10 +251,12 @@ clear_bss: add r1, r1, r4 mov r2, #0x00000000 /* clear */ -clbss_l:str r2, [r0] /* clear loop... */ +clbss_l:cmp r0, r1 /* clear loop... */ + bhs clbss_e /* if reached end of bss, exit */ + str r2, [r0] add r0, r0, #4 - cmp r0, r1 - bne clbss_l + b clbss_l +clbss_e: #endif /* #ifndef CONFIG_SPL_BUILD */ /* diff --git a/arch/arm/cpu/arm1176/start.S b/arch/arm/cpu/arm1176/start.S index 848144a..d613641 100644 --- a/arch/arm/cpu/arm1176/start.S +++ b/arch/arm/cpu/arm1176/start.S @@ -351,11 +351,12 @@ clear_bss: add r1, r1, r4 mov r2, #0x00000000 /* clear */ -clbss_l:str r2, [r0] /* clear loop... */ +clbss_l:cmp r0, r1 /* clear loop... */ + bhs clbss_e /* if reached end of bss, exit */ + str r2, [r0] add r0, r0, #4 - cmp r0, r1 - bne clbss_l - + b clbss_l +clbss_e: #ifndef CONFIG_NAND_SPL bl coloured_LED_init bl red_led_on diff --git a/arch/arm/cpu/arm720t/start.S b/arch/arm/cpu/arm720t/start.S index 540e3c2..3b97e80 100644 --- a/arch/arm/cpu/arm720t/start.S +++ b/arch/arm/cpu/arm720t/start.S @@ -228,10 +228,12 @@ clear_bss: add r1, r1, r4 mov r2, #0x00000000 /* clear */ -clbss_l:str r2, [r0] /* clear loop... */ +clbss_l:cmp r0, r1 /* clear loop... */ + bhs clbss_e /* if reached end of bss, exit */ + str r2, [r0] add r0, r0, #4 - cmp r0, r1 - bne clbss_l + b clbss_l +clbss_e: bl coloured_LED_init bl red_led_on diff --git a/arch/arm/cpu/arm920t/start.S b/arch/arm/cpu/arm920t/start.S index 8c5612c..9b8604e 100644 --- a/arch/arm/cpu/arm920t/start.S +++ b/arch/arm/cpu/arm920t/start.S @@ -271,10 +271,12 @@ clear_bss: add r1, r1, r4 mov r2, #0x00000000 /* clear */ -clbss_l:str r2, [r0] /* clear loop... */ +clbss_l:cmp r0, r1 /* clear loop... */ + bhs clbss_e /* if reached end of bss, exit */ + str r2, [r0] add r0, r0, #4 - cmp r0, r1 - bne clbss_l + b clbss_l +clbss_e: bl coloured_LED_init bl red_led_on diff --git a/arch/arm/cpu/arm925t/start.S b/arch/arm/cpu/arm925t/start.S index dbb93ef..1a54416 100644 --- a/arch/arm/cpu/arm925t/start.S +++ b/arch/arm/cpu/arm925t/start.S @@ -265,10 +265,12 @@ clear_bss: add r1, r1, r4 mov r2, #0x00000000 /* clear */ -clbss_l:str r2, [r0] /* clear loop... */ +clbss_l:cmp r0, r1 /* clear loop... */ + bhs clbss_e /* if reached end of bss, exit */ + str r2, [r0] add r0, r0, #4 - cmp r0, r1 - bne clbss_l + b clbss_l +clbss_e: bl coloured_LED_init bl red_led_on diff --git a/arch/arm/cpu/arm946es/start.S b/arch/arm/cpu/arm946es/start.S index 89ba558..b4d1d2d 100644 --- a/arch/arm/cpu/arm946es/start.S +++ b/arch/arm/cpu/arm946es/start.S @@ -236,10 +236,12 @@ clear_bss: add r1, r1, r4 mov r2, #0x00000000 /* clear */ -clbss_l:str r2, [r0] /* clear loop... */ +clbss_l:cmp r0, r1 /* clear loop... */ + bhs clbss_e /* if reached end of bss, exit */ + str r2, [r0] add r0, r0, #4 - cmp r0, r1 - blo clbss_l + b clbss_l +clbss_e: #endif /* diff --git a/arch/arm/cpu/arm_intcm/start.S b/arch/arm/cpu/arm_intcm/start.S index 2033b36..b85e7d4 100644 --- a/arch/arm/cpu/arm_intcm/start.S +++ b/arch/arm/cpu/arm_intcm/start.S @@ -232,10 +232,12 @@ clear_bss: add r1, r1, r4 mov r2, #0x00000000 /* clear */ -clbss_l:str r2, [r0] /* clear loop... */ +clbss_l:cmp r0, r1 /* clear loop... */ + bhs clbss_e /* if reached end of bss, exit */ + str r2, [r0] add r0, r0, #4 - cmp r0, r1 - bne clbss_l + b clbss_l +clbss_e: bl coloured_LED_init bl red_led_on diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S index 22a3ced..aee27fd 100644 --- a/arch/arm/cpu/armv7/start.S +++ b/arch/arm/cpu/armv7/start.S @@ -259,10 +259,12 @@ clear_bss: #endif mov r2, #0x00000000 /* clear */ -clbss_l:str r2, [r0] /* clear loop... */ +clbss_l:cmp r0, r1 /* clear loop... */ + bhs clbss_e /* if reached end of bss, exit */ + str r2, [r0] add r0, r0, #4 - cmp r0, r1 - bne clbss_l + b clbss_l +clbss_e: /* * We are done. Do not return, instead branch to second part of board diff --git a/arch/arm/cpu/ixp/start.S b/arch/arm/cpu/ixp/start.S index cb32121..59c359a 100644 --- a/arch/arm/cpu/ixp/start.S +++ b/arch/arm/cpu/ixp/start.S @@ -334,10 +334,12 @@ clear_bss: add r1, r1, r4 mov r2, #0x00000000 /* clear */ -clbss_l:str r2, [r0] /* clear loop... */ +clbss_l:cmp r0, r1 /* clear loop... */ + bhs clbss_e /* if reached end of bss, exit */ + str r2, [r0] add r0, r0, #4 - cmp r0, r1 - bne clbss_l + b clbss_l +clbss_e: bl coloured_LED_init bl red_led_on diff --git a/arch/arm/cpu/lh7a40x/start.S b/arch/arm/cpu/lh7a40x/start.S index 62de8b8..bd68cd4 100644 --- a/arch/arm/cpu/lh7a40x/start.S +++ b/arch/arm/cpu/lh7a40x/start.S @@ -245,10 +245,12 @@ clear_bss: add r1, r1, r4 mov r2, #0x00000000 /* clear */ -clbss_l:str r2, [r0] /* clear loop... */ +clbss_l:cmp r0, r1 /* clear loop... */ + bhs clbss_e /* if reached end of bss, exit */ + str r2, [r0] add r0, r0, #4 - cmp r0, r1 - bne clbss_l + b clbss_l +clbss_e: #endif /* diff --git a/arch/arm/cpu/pxa/start.S b/arch/arm/cpu/pxa/start.S index ba0de8f..33c73f6 100644 --- a/arch/arm/cpu/pxa/start.S +++ b/arch/arm/cpu/pxa/start.S @@ -258,10 +258,12 @@ clear_bss: add r1, r1, r4 mov r2, #0x00000000 /* clear */ -clbss_l:str r2, [r0] /* clear loop... */ +clbss_l:cmp r0, r1 /* clear loop... */ + bhs clbss_e /* if reached end of bss, exit */ + str r2, [r0] add r0, r0, #4 - cmp r0, r1 - bne clbss_l + b clbss_l +clbss_e: #endif /* #ifndef CONFIG_SPL_BUILD */ /* diff --git a/arch/arm/cpu/s3c44b0/start.S b/arch/arm/cpu/s3c44b0/start.S index a29d5b4..8daf26c 100644 --- a/arch/arm/cpu/s3c44b0/start.S +++ b/arch/arm/cpu/s3c44b0/start.S @@ -217,10 +217,12 @@ clear_bss: add r1, r1, r4 mov r2, #0x00000000 /* clear */ -clbss_l:str r2, [r0] /* clear loop... */ +clbss_l:cmp r0, r1 /* clear loop... */ + bhs clbss_e /* if reached end of bss, exit */ + str r2, [r0] add r0, r0, #4 - cmp r0, r1 - bne clbss_l + b clbss_l +clbss_e: bl coloured_LED_init bl red_led_on diff --git a/arch/arm/cpu/sa1100/start.S b/arch/arm/cpu/sa1100/start.S index 92546d8..bcea2a8 100644 --- a/arch/arm/cpu/sa1100/start.S +++ b/arch/arm/cpu/sa1100/start.S @@ -221,10 +221,12 @@ clear_bss: add r1, r1, r4 mov r2, #0x00000000 /* clear */ -clbss_l:str r2, [r0] /* clear loop... */ +clbss_l:cmp r0, r1 /* clear loop... */ + bhs clbss_e /* if reached end of bss, exit */ + str r2, [r0] add r0, r0, #4 - cmp r0, r1 - bne clbss_l + b clbss_l +clbss_e: #endif /* |