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authorHeiko Schocher <hs@denx.de>2010-11-12 07:53:55 +0100
committerWolfgang Denk <wd@denx.de>2010-12-08 23:50:09 +0100
commit296cae732b0dbe374abc9b26fed6f73588b9d1e2 (patch)
treef947d45840b38c44825c5362e67d86e5afb3d4fc
parent44b0a386bc435d2b51e1b088a0e2610226000c3c (diff)
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arm: add 8-byte alignment for ABI compliance before board_init_f
suggested from Daniel Hobi<daniel.hobi@schmid-telecom.ch> Tested on following boards: arm1136: qong armv7: omap3_beagle arm926ejs: magnesium, tx25 Signed-off-by: Heiko Schocher <hs@denx.de> cc: Daniel Hobi <daniel.hobi@schmid-telecom.ch> cc: Albert ARIBAUD <albert.aribaud@free.fr>
Diffstat
-rw-r--r--arch/arm/cpu/arm1136/start.S1
-rw-r--r--arch/arm/cpu/arm1176/start.S1
-rw-r--r--arch/arm/cpu/arm720t/start.S1
-rw-r--r--arch/arm/cpu/arm920t/start.S1
-rw-r--r--arch/arm/cpu/arm925t/start.S1
-rw-r--r--arch/arm/cpu/arm926ejs/start.S1
-rw-r--r--arch/arm/cpu/arm946es/start.S1
-rw-r--r--arch/arm/cpu/arm_intcm/start.S1
-rw-r--r--arch/arm/cpu/armv7/start.S1
-rw-r--r--arch/arm/cpu/ixp/start.S1
-rw-r--r--arch/arm/cpu/lh7a40x/start.S1
-rw-r--r--arch/arm/cpu/pxa/start.S1
-rw-r--r--arch/arm/cpu/s3c44b0/start.S1
-rw-r--r--arch/arm/cpu/sa1100/start.S1
-rw-r--r--arch/arm/lib/board.c2
15 files changed, 15 insertions, 1 deletions
diff --git a/arch/arm/cpu/arm1136/start.S b/arch/arm/cpu/arm1136/start.S
index eec8bee..7b59619 100644
--- a/arch/arm/cpu/arm1136/start.S
+++ b/arch/arm/cpu/arm1136/start.S
@@ -160,6 +160,7 @@ next:
/* Set stackpointer in internal RAM to call board_init_f */
call_board_init_f:
ldr sp, =(CONFIG_SYS_INIT_SP_ADDR)
+ bic sp, sp, #7 /* 8-byte alignment for ABI compliance */
ldr r0,=0x00000000
#ifdef CONFIG_NAND_SPL
diff --git a/arch/arm/cpu/arm1176/start.S b/arch/arm/cpu/arm1176/start.S
index cd8f016..ddfefd4 100644
--- a/arch/arm/cpu/arm1176/start.S
+++ b/arch/arm/cpu/arm1176/start.S
@@ -223,6 +223,7 @@ skip_tcmdisable:
/* Set stackpointer in internal RAM to call board_init_f */
call_board_init_f:
ldr sp, =(CONFIG_SYS_INIT_SP_ADDR)
+ bic sp, sp, #7 /* 8-byte alignment for ABI compliance */
ldr r0,=0x00000000
bl board_init_f
diff --git a/arch/arm/cpu/arm720t/start.S b/arch/arm/cpu/arm720t/start.S
index 46050da..da0e61e 100644
--- a/arch/arm/cpu/arm720t/start.S
+++ b/arch/arm/cpu/arm720t/start.S
@@ -138,6 +138,7 @@ reset:
/* Set stackpointer in internal RAM to call board_init_f */
call_board_init_f:
ldr sp, =(CONFIG_SYS_INIT_SP_ADDR)
+ bic sp, sp, #7 /* 8-byte alignment for ABI compliance */
ldr r0,=0x00000000
bl board_init_f
diff --git a/arch/arm/cpu/arm920t/start.S b/arch/arm/cpu/arm920t/start.S
index 01edb9b..69a54cb 100644
--- a/arch/arm/cpu/arm920t/start.S
+++ b/arch/arm/cpu/arm920t/start.S
@@ -184,6 +184,7 @@ copyex:
/* Set stackpointer in internal RAM to call board_init_f */
call_board_init_f:
ldr sp, =(CONFIG_SYS_INIT_SP_ADDR)
+ bic sp, sp, #7 /* 8-byte alignment for ABI compliance */
ldr r0,=0x00000000
bl board_init_f
diff --git a/arch/arm/cpu/arm925t/start.S b/arch/arm/cpu/arm925t/start.S
index ce590a7..a9b5e48 100644
--- a/arch/arm/cpu/arm925t/start.S
+++ b/arch/arm/cpu/arm925t/start.S
@@ -175,6 +175,7 @@ poll1:
/* Set stackpointer in internal RAM to call board_init_f */
call_board_init_f:
ldr sp, =(CONFIG_SYS_INIT_SP_ADDR)
+ bic sp, sp, #7 /* 8-byte alignment for ABI compliance */
ldr r0,=0x00000000
bl board_init_f
diff --git a/arch/arm/cpu/arm926ejs/start.S b/arch/arm/cpu/arm926ejs/start.S
index 6dcc9b4..bf4988d 100644
--- a/arch/arm/cpu/arm926ejs/start.S
+++ b/arch/arm/cpu/arm926ejs/start.S
@@ -174,6 +174,7 @@ reset:
/* Set stackpointer in internal RAM to call board_init_f */
call_board_init_f:
ldr sp, =(CONFIG_SYS_INIT_SP_ADDR)
+ bic sp, sp, #7 /* 8-byte alignment for ABI compliance */
ldr r0,=0x00000000
bl board_init_f
diff --git a/arch/arm/cpu/arm946es/start.S b/arch/arm/cpu/arm946es/start.S
index f4950f7..80fee31 100644
--- a/arch/arm/cpu/arm946es/start.S
+++ b/arch/arm/cpu/arm946es/start.S
@@ -146,6 +146,7 @@ reset:
/* Set stackpointer in internal RAM to call board_init_f */
call_board_init_f:
ldr sp, =(CONFIG_SYS_INIT_SP_ADDR)
+ bic sp, sp, #7 /* 8-byte alignment for ABI compliance */
ldr r0,=0x00000000
bl board_init_f
diff --git a/arch/arm/cpu/arm_intcm/start.S b/arch/arm/cpu/arm_intcm/start.S
index fcaba30..0e8a21b 100644
--- a/arch/arm/cpu/arm_intcm/start.S
+++ b/arch/arm/cpu/arm_intcm/start.S
@@ -142,6 +142,7 @@ reset:
/* Set stackpointer in internal RAM to call board_init_f */
call_board_init_f:
ldr sp, =(CONFIG_SYS_INIT_SP_ADDR)
+ bic sp, sp, #7 /* 8-byte alignment for ABI compliance */
ldr r0,=0x00000000
bl board_init_f
diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S
index 2dfdafe..de9d1e2 100644
--- a/arch/arm/cpu/armv7/start.S
+++ b/arch/arm/cpu/armv7/start.S
@@ -142,6 +142,7 @@ next:
/* Set stackpointer in internal RAM to call board_init_f */
call_board_init_f:
ldr sp, =(CONFIG_SYS_INIT_SP_ADDR)
+ bic sp, sp, #7 /* 8-byte alignment for ABI compliance */
ldr r0,=0x00000000
bl board_init_f
diff --git a/arch/arm/cpu/ixp/start.S b/arch/arm/cpu/ixp/start.S
index d1ab19b..75ee677 100644
--- a/arch/arm/cpu/ixp/start.S
+++ b/arch/arm/cpu/ixp/start.S
@@ -268,6 +268,7 @@ reset:
/* Set stackpointer in internal RAM to call board_init_f */
call_board_init_f:
ldr sp, =(CONFIG_SYS_INIT_SP_ADDR)
+ bic sp, sp, #7 /* 8-byte alignment for ABI compliance */
ldr r0,=0x00000000
bl board_init_f
diff --git a/arch/arm/cpu/lh7a40x/start.S b/arch/arm/cpu/lh7a40x/start.S
index 5cf477b..2fa3614 100644
--- a/arch/arm/cpu/lh7a40x/start.S
+++ b/arch/arm/cpu/lh7a40x/start.S
@@ -155,6 +155,7 @@ reset:
/* Set stackpointer in internal RAM to call board_init_f */
call_board_init_f:
ldr sp, =(CONFIG_SYS_INIT_SP_ADDR)
+ bic sp, sp, #7 /* 8-byte alignment for ABI compliance */
ldr r0,=0x00000000
bl board_init_f
diff --git a/arch/arm/cpu/pxa/start.S b/arch/arm/cpu/pxa/start.S
index ae358a5..66479cb 100644
--- a/arch/arm/cpu/pxa/start.S
+++ b/arch/arm/cpu/pxa/start.S
@@ -220,6 +220,7 @@ zerojmp:
/* Set stackpointer in internal RAM to call board_init_f */
call_board_init_f:
ldr sp, =(CONFIG_SYS_INIT_SP_ADDR)
+ bic sp, sp, #7 /* 8-byte alignment for ABI compliance */
ldr r0,=0x00000000
bl board_init_f
diff --git a/arch/arm/cpu/s3c44b0/start.S b/arch/arm/cpu/s3c44b0/start.S
index 8c7100c..5559431 100644
--- a/arch/arm/cpu/s3c44b0/start.S
+++ b/arch/arm/cpu/s3c44b0/start.S
@@ -127,6 +127,7 @@ reset:
/* Set stackpointer in internal RAM to call board_init_f */
call_board_init_f:
ldr sp, =(CONFIG_SYS_INIT_SP_ADDR)
+ bic sp, sp, #7 /* 8-byte alignment for ABI compliance */
ldr r0,=0x00000000
bl board_init_f
diff --git a/arch/arm/cpu/sa1100/start.S b/arch/arm/cpu/sa1100/start.S
index 36d44da..4fb0b8b 100644
--- a/arch/arm/cpu/sa1100/start.S
+++ b/arch/arm/cpu/sa1100/start.S
@@ -131,6 +131,7 @@ reset:
/* Set stackpointer in internal RAM to call board_init_f */
call_board_init_f:
ldr sp, =(CONFIG_SYS_INIT_SP_ADDR)
+ bic sp, sp, #7 /* 8-byte alignment for ABI compliance */
ldr r0,=0x00000000
bl board_init_f
diff --git a/arch/arm/lib/board.c b/arch/arm/lib/board.c
index 1fd5f83..96c0e30 100644
--- a/arch/arm/lib/board.c
+++ b/arch/arm/lib/board.c
@@ -276,7 +276,7 @@ void board_init_f (ulong bootflag)
ulong addr, addr_sp;
/* Pointer is writable since we allocated a register for it */
- gd = (gd_t *) (CONFIG_SYS_INIT_SP_ADDR);
+ gd = (gd_t *) ((CONFIG_SYS_INIT_SP_ADDR) & ~0x07);
/* compiler optimization barrier needed for GCC >= 3.4 */
__asm__ __volatile__("": : :"memory");
generated by cgit v1.1 at 2024-11-24 05:24:27 +0000