From 4b3db1cd31cbf690b4bf5d704211a7385ff31e03 Mon Sep 17 00:00:00 2001 From: Benoît Thébaudeau Date: Thu, 11 Apr 2013 09:35:45 +0000 Subject: arm: relocate_code(): Remove useless relocation offset computation Signed-off-by: Benoît Thébaudeau --- arch/arm/cpu/arm1136/start.S | 8 +++----- arch/arm/cpu/arm1176/start.S | 8 +++----- arch/arm/cpu/arm720t/start.S | 8 +++----- arch/arm/cpu/arm920t/start.S | 8 +++----- arch/arm/cpu/arm925t/start.S | 8 +++----- arch/arm/cpu/arm926ejs/start.S | 9 +++------ arch/arm/cpu/arm946es/start.S | 8 +++----- arch/arm/cpu/arm_intcm/start.S | 8 +++----- arch/arm/cpu/armv7/start.S | 8 +++----- arch/arm/cpu/ixp/start.S | 8 +++----- arch/arm/cpu/pxa/start.S | 8 +++----- arch/arm/cpu/s3c44b0/start.S | 8 +++----- arch/arm/cpu/sa1100/start.S | 8 +++----- 13 files changed, 39 insertions(+), 66 deletions(-) (limited to 'arch') diff --git a/arch/arm/cpu/arm1136/start.S b/arch/arm/cpu/arm1136/start.S index 52256396c43..67fcc4f687a 100644 --- a/arch/arm/cpu/arm1136/start.S +++ b/arch/arm/cpu/arm1136/start.S @@ -185,16 +185,15 @@ relocate_code: mov r6, r2 /* save addr of destination */ adr r0, _start - cmp r0, r6 - moveq r9, #0 /* no relocation. relocation offset(r9) = 0 */ + subs r9, r6, r0 /* r9 <- relocation offset */ beq relocate_done /* skip relocation */ mov r1, r6 /* r1 <- scratch for copy_loop */ ldr r3, _image_copy_end_ofs add r2, r0, r3 /* r2 <- source end address */ copy_loop: - ldmia r0!, {r9-r10} /* copy from source address [r0] */ - stmia r1!, {r9-r10} /* copy to target address [r1] */ + ldmia r0!, {r10-r11} /* copy from source address [r0] */ + stmia r1!, {r10-r11} /* copy to target address [r1] */ cmp r0, r2 /* until source end address [r2] */ blo copy_loop @@ -203,7 +202,6 @@ copy_loop: * fix .rel.dyn relocations */ ldr r0, _TEXT_BASE /* r0 <- Text base */ - sub r9, r6, r0 /* r9 <- relocation offset */ ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ add r10, r10, r0 /* r10 <- sym table in FLASH */ ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ diff --git a/arch/arm/cpu/arm1176/start.S b/arch/arm/cpu/arm1176/start.S index c0698e693d1..17b12777c94 100644 --- a/arch/arm/cpu/arm1176/start.S +++ b/arch/arm/cpu/arm1176/start.S @@ -248,16 +248,15 @@ relocate_code: mov r6, r2 /* save addr of destination */ adr r0, _start - cmp r0, r6 - moveq r9, #0 /* no relocation. relocation offset(r9) = 0 */ + subs r9, r6, r0 /* r9 <- relocation offset */ beq relocate_done /* skip relocation */ mov r1, r6 /* r1 <- scratch for copy_loop */ ldr r3, _bss_start_ofs add r2, r0, r3 /* r2 <- source end address */ copy_loop: - ldmia r0!, {r9-r10} /* copy from source address [r0] */ - stmia r1!, {r9-r10} /* copy to target address [r1] */ + ldmia r0!, {r10-r11} /* copy from source address [r0] */ + stmia r1!, {r10-r11} /* copy to target address [r1] */ cmp r0, r2 /* until source end address [r2] */ blo copy_loop @@ -266,7 +265,6 @@ copy_loop: * fix .rel.dyn relocations */ ldr r0, _TEXT_BASE /* r0 <- Text base */ - sub r9, r6, r0 /* r9 <- relocation offset */ ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ add r10, r10, r0 /* r10 <- sym table in FLASH */ ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ diff --git a/arch/arm/cpu/arm720t/start.S b/arch/arm/cpu/arm720t/start.S index c65af3f7c51..95f4447c3a2 100644 --- a/arch/arm/cpu/arm720t/start.S +++ b/arch/arm/cpu/arm720t/start.S @@ -163,16 +163,15 @@ relocate_code: mov r6, r2 /* save addr of destination */ adr r0, _start - cmp r0, r6 - moveq r9, #0 /* no relocation. relocation offset(r9) = 0 */ + subs r9, r6, r0 /* r9 <- relocation offset */ beq relocate_done /* skip relocation */ mov r1, r6 /* r1 <- scratch for copy_loop */ ldr r3, _bss_start_ofs add r2, r0, r3 /* r2 <- source end address */ copy_loop: - ldmia r0!, {r9-r10} /* copy from source address [r0] */ - stmia r1!, {r9-r10} /* copy to target address [r1] */ + ldmia r0!, {r10-r11} /* copy from source address [r0] */ + stmia r1!, {r10-r11} /* copy to target address [r1] */ cmp r0, r2 /* until source end address [r2] */ blo copy_loop @@ -181,7 +180,6 @@ copy_loop: * fix .rel.dyn relocations */ ldr r0, _TEXT_BASE /* r0 <- Text base */ - sub r9, r6, r0 /* r9 <- relocation offset */ ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ add r10, r10, r0 /* r10 <- sym table in FLASH */ ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ diff --git a/arch/arm/cpu/arm920t/start.S b/arch/arm/cpu/arm920t/start.S index 2b8b7add0fe..cd8c8db1a91 100644 --- a/arch/arm/cpu/arm920t/start.S +++ b/arch/arm/cpu/arm920t/start.S @@ -202,16 +202,15 @@ relocate_code: mov r6, r2 /* save addr of destination */ adr r0, _start - cmp r0, r6 - moveq r9, #0 /* no relocation. relocation offset(r9) = 0 */ + subs r9, r6, r0 /* r9 <- relocation offset */ beq relocate_done /* skip relocation */ mov r1, r6 /* r1 <- scratch for copy_loop */ ldr r3, _bss_start_ofs add r2, r0, r3 /* r2 <- source end address */ copy_loop: - ldmia r0!, {r9-r10} /* copy from source address [r0] */ - stmia r1!, {r9-r10} /* copy to target address [r1] */ + ldmia r0!, {r10-r11} /* copy from source address [r0] */ + stmia r1!, {r10-r11} /* copy to target address [r1] */ cmp r0, r2 /* until source end address [r2] */ blo copy_loop @@ -220,7 +219,6 @@ copy_loop: * fix .rel.dyn relocations */ ldr r0, _TEXT_BASE /* r0 <- Text base */ - sub r9, r6, r0 /* r9 <- relocation offset */ ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ add r10, r10, r0 /* r10 <- sym table in FLASH */ ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ diff --git a/arch/arm/cpu/arm925t/start.S b/arch/arm/cpu/arm925t/start.S index 6920c93f398..9358f3e45f9 100644 --- a/arch/arm/cpu/arm925t/start.S +++ b/arch/arm/cpu/arm925t/start.S @@ -192,16 +192,15 @@ relocate_code: mov r6, r2 /* save addr of destination */ adr r0, _start - cmp r0, r6 - moveq r9, #0 /* no relocation. relocation offset(r9) = 0 */ + subs r9, r6, r0 /* r9 <- relocation offset */ beq relocate_done /* skip relocation */ mov r1, r6 /* r1 <- scratch for copy_loop */ ldr r3, _bss_start_ofs add r2, r0, r3 /* r2 <- source end address */ copy_loop: - ldmia r0!, {r9-r10} /* copy from source address [r0] */ - stmia r1!, {r9-r10} /* copy to target address [r1] */ + ldmia r0!, {r10-r11} /* copy from source address [r0] */ + stmia r1!, {r10-r11} /* copy to target address [r1] */ cmp r0, r2 /* until source end address [r2] */ blo copy_loop @@ -210,7 +209,6 @@ copy_loop: * fix .rel.dyn relocations */ ldr r0, _TEXT_BASE /* r0 <- Text base */ - sub r9, r6, r0 /* r9 <- relocation offset */ ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ add r10, r10, r0 /* r10 <- sym table in FLASH */ ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ diff --git a/arch/arm/cpu/arm926ejs/start.S b/arch/arm/cpu/arm926ejs/start.S index 90b4e53fe25..6949645d1a5 100644 --- a/arch/arm/cpu/arm926ejs/start.S +++ b/arch/arm/cpu/arm926ejs/start.S @@ -209,17 +209,15 @@ relocate_code: mov r6, r2 /* save addr of destination */ adr r0, _start - sub r9, r6, r0 /* r9 <- relocation offset */ - cmp r0, r6 - moveq r9, #0 /* no relocation. offset(r9) = 0 */ + subs r9, r6, r0 /* r9 <- relocation offset */ beq relocate_done /* skip relocation */ mov r1, r6 /* r1 <- scratch for copy loop */ ldr r3, _bss_start_ofs add r2, r0, r3 /* r2 <- source end address */ copy_loop: - ldmia r0!, {r9-r10} /* copy from source address [r0] */ - stmia r1!, {r9-r10} /* copy to target address [r1] */ + ldmia r0!, {r10-r11} /* copy from source address [r0] */ + stmia r1!, {r10-r11} /* copy to target address [r1] */ cmp r0, r2 /* until source end address [r2] */ blo copy_loop @@ -228,7 +226,6 @@ copy_loop: * fix .rel.dyn relocations */ ldr r0, _TEXT_BASE /* r0 <- Text base */ - sub r9, r6, r0 /* r9 <- relocation offset */ ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ add r10, r10, r0 /* r10 <- sym table in FLASH */ ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ diff --git a/arch/arm/cpu/arm946es/start.S b/arch/arm/cpu/arm946es/start.S index 84fabf41b3e..90c15f25c9c 100644 --- a/arch/arm/cpu/arm946es/start.S +++ b/arch/arm/cpu/arm946es/start.S @@ -167,16 +167,15 @@ relocate_code: mov r6, r2 /* save addr of destination */ adr r0, _start - cmp r0, r6 - moveq r9, #0 /* no relocation. relocation offset(r9) = 0 */ + subs r9, r6, r0 /* r9 <- relocation offset */ beq relocate_done /* skip relocation */ mov r1, r6 /* r1 <- scratch for copy_loop */ ldr r3, _bss_start_ofs add r2, r0, r3 /* r2 <- source end address */ copy_loop: - ldmia r0!, {r9-r10} /* copy from source address [r0] */ - stmia r1!, {r9-r10} /* copy to target address [r1] */ + ldmia r0!, {r10-r11} /* copy from source address [r0] */ + stmia r1!, {r10-r11} /* copy to target address [r1] */ cmp r0, r2 /* until source end address [r2] */ blo copy_loop @@ -185,7 +184,6 @@ copy_loop: * fix .rel.dyn relocations */ ldr r0, _TEXT_BASE /* r0 <- Text base */ - sub r9, r6, r0 /* r9 <- relocation offset */ ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ add r10, r10, r0 /* r10 <- sym table in FLASH */ ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ diff --git a/arch/arm/cpu/arm_intcm/start.S b/arch/arm/cpu/arm_intcm/start.S index d0f8a48bfc5..a6e08ab5cd2 100644 --- a/arch/arm/cpu/arm_intcm/start.S +++ b/arch/arm/cpu/arm_intcm/start.S @@ -163,16 +163,15 @@ relocate_code: mov r6, r2 /* save addr of destination */ adr r0, _start - cmp r0, r6 - moveq r9, #0 /* no relocation. relocation offset(r9) = 0 */ + subs r9, r6, r0 /* r9 <- relocation offset */ beq relocate_done /* skip relocation */ mov r1, r6 /* r1 <- scratch for copy_loop */ ldr r3, _bss_start_ofs add r2, r0, r3 /* r2 <- source end address */ copy_loop: - ldmia r0!, {r9-r10} /* copy from source address [r0] */ - stmia r1!, {r9-r10} /* copy to target address [r1] */ + ldmia r0!, {r10-r11} /* copy from source address [r0] */ + stmia r1!, {r10-r11} /* copy to target address [r1] */ cmp r0, r2 /* until source end address [r2] */ blo copy_loop @@ -181,7 +180,6 @@ copy_loop: * fix .rel.dyn relocations */ ldr r0, _TEXT_BASE /* r0 <- Text base */ - sub r9, r6, r0 /* r9 <- relocation offset */ ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ add r10, r10, r0 /* r10 <- sym table in FLASH */ ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S index 0146c769ee7..222b5050b14 100644 --- a/arch/arm/cpu/armv7/start.S +++ b/arch/arm/cpu/armv7/start.S @@ -175,16 +175,15 @@ ENTRY(relocate_code) mov r6, r2 /* save addr of destination */ adr r0, _start - cmp r0, r6 - moveq r9, #0 /* no relocation. relocation offset(r9) = 0 */ + subs r9, r6, r0 /* r9 <- relocation offset */ beq relocate_done /* skip relocation */ mov r1, r6 /* r1 <- scratch for copy_loop */ ldr r3, _image_copy_end_ofs add r2, r0, r3 /* r2 <- source end address */ copy_loop: - ldmia r0!, {r9-r10} /* copy from source address [r0] */ - stmia r1!, {r9-r10} /* copy to target address [r1] */ + ldmia r0!, {r10-r11} /* copy from source address [r0] */ + stmia r1!, {r10-r11} /* copy to target address [r1] */ cmp r0, r2 /* until source end address [r2] */ blo copy_loop @@ -192,7 +191,6 @@ copy_loop: * fix .rel.dyn relocations */ ldr r0, _TEXT_BASE /* r0 <- Text base */ - sub r9, r6, r0 /* r9 <- relocation offset */ ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ add r10, r10, r0 /* r10 <- sym table in FLASH */ ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ diff --git a/arch/arm/cpu/ixp/start.S b/arch/arm/cpu/ixp/start.S index 0f00e3d28b7..3a1253dbe94 100644 --- a/arch/arm/cpu/ixp/start.S +++ b/arch/arm/cpu/ixp/start.S @@ -265,16 +265,15 @@ relocate_code: mov r6, r2 /* save addr of destination */ adr r0, _start - cmp r0, r6 - moveq r9, #0 /* no relocation. relocation offset(r9) = 0 */ + subs r9, r6, r0 /* r9 <- relocation offset */ beq relocate_done /* skip relocation */ mov r1, r6 /* r1 <- scratch for copy_loop */ ldr r3, _bss_start_ofs add r2, r0, r3 /* r2 <- source end address */ copy_loop: - ldmia r0!, {r9-r10} /* copy from source address [r0] */ - stmia r1!, {r9-r10} /* copy to target address [r1] */ + ldmia r0!, {r10-r11} /* copy from source address [r0] */ + stmia r1!, {r10-r11} /* copy to target address [r1] */ cmp r0, r2 /* until source end address [r2] */ blo copy_loop @@ -283,7 +282,6 @@ copy_loop: * fix .rel.dyn relocations */ ldr r0, _TEXT_BASE /* r0 <- Text base */ - sub r9, r6, r0 /* r9 <- relocation offset */ ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ add r10, r10, r0 /* r10 <- sym table in FLASH */ ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ diff --git a/arch/arm/cpu/pxa/start.S b/arch/arm/cpu/pxa/start.S index a31dfc0d7f9..d8072417d8d 100644 --- a/arch/arm/cpu/pxa/start.S +++ b/arch/arm/cpu/pxa/start.S @@ -187,16 +187,15 @@ relocate_code: #endif adr r0, _start - cmp r0, r6 - moveq r9, #0 /* no relocation. relocation offset(r9) = 0 */ + subs r9, r6, r0 /* r9 <- relocation offset */ beq relocate_done /* skip relocation */ mov r1, r6 /* r1 <- scratch for copy_loop */ ldr r3, _bss_start_ofs add r2, r0, r3 /* r2 <- source end address */ copy_loop: - ldmia r0!, {r9-r10} /* copy from source address [r0] */ - stmia r1!, {r9-r10} /* copy to target address [r1] */ + ldmia r0!, {r10-r11} /* copy from source address [r0] */ + stmia r1!, {r10-r11} /* copy to target address [r1] */ cmp r0, r2 /* until source end address [r2] */ blo copy_loop @@ -205,7 +204,6 @@ copy_loop: * fix .rel.dyn relocations */ ldr r0, _TEXT_BASE /* r0 <- Text base */ - sub r9, r6, r0 /* r9 <- relocation offset */ ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ add r10, r10, r0 /* r10 <- sym table in FLASH */ ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ diff --git a/arch/arm/cpu/s3c44b0/start.S b/arch/arm/cpu/s3c44b0/start.S index c1ed4f20dc1..8cd4a5bda63 100644 --- a/arch/arm/cpu/s3c44b0/start.S +++ b/arch/arm/cpu/s3c44b0/start.S @@ -148,16 +148,15 @@ relocate_code: mov r6, r2 /* save addr of destination */ adr r0, _start - cmp r0, r6 - moveq r9, #0 /* no relocation. relocation offset(r9) = 0 */ + subs r9, r6, r0 /* r9 <- relocation offset */ beq relocate_done /* skip relocation */ mov r1, r6 /* r1 <- scratch for copy_loop */ ldr r3, _bss_start_ofs add r2, r0, r3 /* r2 <- source end address */ copy_loop: - ldmia r0!, {r9-r10} /* copy from source address [r0] */ - stmia r1!, {r9-r10} /* copy to target address [r1] */ + ldmia r0!, {r10-r11} /* copy from source address [r0] */ + stmia r1!, {r10-r11} /* copy to target address [r1] */ cmp r0, r2 /* until source end address [r2] */ blo copy_loop @@ -166,7 +165,6 @@ copy_loop: * fix .rel.dyn relocations */ ldr r0, _TEXT_BASE /* r0 <- Text base */ - sub r9, r6, r0 /* r9 <- relocation offset */ ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ add r10, r10, r0 /* r10 <- sym table in FLASH */ ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ diff --git a/arch/arm/cpu/sa1100/start.S b/arch/arm/cpu/sa1100/start.S index fbc2d351ab8..508c21e305b 100644 --- a/arch/arm/cpu/sa1100/start.S +++ b/arch/arm/cpu/sa1100/start.S @@ -152,16 +152,15 @@ relocate_code: mov r6, r2 /* save addr of destination */ adr r0, _start - cmp r0, r6 - moveq r9, #0 /* no relocation. relocation offset(r9) = 0 */ + subs r9, r6, r0 /* r9 <- relocation offset */ beq relocate_done /* skip relocation */ mov r1, r6 /* r1 <- scratch for copy_loop */ ldr r3, _bss_start_ofs add r2, r0, r3 /* r2 <- source end address */ copy_loop: - ldmia r0!, {r9-r10} /* copy from source address [r0] */ - stmia r1!, {r9-r10} /* copy to target address [r1] */ + ldmia r0!, {r10-r11} /* copy from source address [r0] */ + stmia r1!, {r10-r11} /* copy to target address [r1] */ cmp r0, r2 /* until source end address [r2] */ blo copy_loop @@ -170,7 +169,6 @@ copy_loop: * fix .rel.dyn relocations */ ldr r0, _TEXT_BASE /* r0 <- Text base */ - sub r9, r6, r0 /* r9 <- relocation offset */ ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ add r10, r10, r0 /* r10 <- sym table in FLASH */ ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ -- cgit v1.2.3