From patchwork Thu Jan 24 16:27:53 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [U-Boot, 3/5] MIPS: start.S: save reused arguments earlier in relocate_code From: Gabor Juhos X-Patchwork-Id: 215428 Message-Id: <1359044875-28631-4-git-send-email-juhosg@openwrt.org> To: u-boot@lists.denx.de Date: Thu, 24 Jan 2013 17:27:53 +0100 Save the reused parameters at the beginning of the 'relocate_code' function. This makes the function a bit more readable. Signed-off-by: Gabor Juhos Cc: Daniel Schwierzeck --- arch/mips/cpu/mips32/start.S | 5 +++-- arch/mips/cpu/mips64/start.S | 5 +++-- 2 files changed, 6 insertions(+), 4 deletions(-) diff --git a/arch/mips/cpu/mips32/start.S b/arch/mips/cpu/mips32/start.S index 88e8036..64a606f 100644 --- a/arch/mips/cpu/mips32/start.S +++ b/arch/mips/cpu/mips32/start.S @@ -279,11 +279,13 @@ reset: relocate_code: move sp, a0 # set new stack pointer + move s0, a1 # save gd in s0 + move s2, a2 # save destination address in s2 + li t0, CONFIG_SYS_MONITOR_BASE la t3, in_ram lw t2, -12(t3) # t2 <-- uboot_end_data move t1, a2 - move s2, a2 # s2 <-- destination address /* * Fix $gp: @@ -304,7 +306,6 @@ relocate_code: /* * Save destination address and size for later usage in flush_cache() */ - move s0, a1 # save gd in s0 move a0, t1 # a0 <-- destination addr sub a1, t2, t0 # a1 <-- size diff --git a/arch/mips/cpu/mips64/start.S b/arch/mips/cpu/mips64/start.S index d3c5cea..3c0f1c3 100644 --- a/arch/mips/cpu/mips64/start.S +++ b/arch/mips/cpu/mips64/start.S @@ -158,11 +158,13 @@ reset: relocate_code: move sp, a0 # set new stack pointer + move s0, a1 # save gd in s0 + move s2, a2 # save destination address in s2 + dli t0, CONFIG_SYS_MONITOR_BASE dla t3, in_ram ld t2, -24(t3) # t2 <-- uboot_end_data move t1, a2 - move s2, a2 # s2 <-- destination address /* * Fix $gp: @@ -183,7 +185,6 @@ relocate_code: /* * Save destination address and size for dlater usage in flush_cache() */ - move s0, a1 # save gd in s0 move a0, t1 # a0 <-- destination addr dsub a1, t2, t0 # a1 <-- size