From 03c031d5660ea946c39af6e2e16267da857c609f Mon Sep 17 00:00:00 2001 From: Shinya Kuribayashi Date: Sat, 27 Oct 2007 15:27:06 +0900 Subject: [MIPS] MIPS 4K core: Coding style cleanups No logical changes. Signed-off-by: Shinya Kuribayashi --- cpu/mips/start.S | 50 +++++++++++++++++++++++--------------------------- 1 file changed, 23 insertions(+), 27 deletions(-) (limited to 'cpu/mips/start.S') diff --git a/cpu/mips/start.S b/cpu/mips/start.S index 074d01d..5a278b6 100644 --- a/cpu/mips/start.S +++ b/cpu/mips/start.S @@ -22,13 +22,11 @@ * MA 02111-1307 USA */ - #include #include #include #include - #define RVECENT(f,n) \ b f; nop #define XVECENT(f,bev) \ @@ -192,7 +190,7 @@ _start: .word 0x00000000 .word 0x03e00008 .word 0x00000000 - .word 0x00000000 + .word 0x00000000 /* 0xbfc00428 */ .word 0xdc870000 .word 0xfca70000 @@ -203,7 +201,7 @@ _start: .word 0x00000000 .word 0x03e00008 .word 0x00000000 - .word 0x00000000 + .word 0x00000000 #endif /* CONFIG_PURPLE */ .align 4 reset: @@ -235,33 +233,33 @@ reset: mtc0 t0, CP0_CONFIG /* Initialize $gp. - */ - bal 1f + */ + bal 1f nop .word _gp - 1: - move gp, ra - lw t1, 0(ra) +1: + move gp, ra + lw t1, 0(ra) move gp, t1 #ifdef CONFIG_INCA_IP /* Disable INCA-IP Watchdog. */ - la t9, disable_incaip_wdt - jalr t9 + la t9, disable_incaip_wdt + jalr t9 nop #endif /* Initialize any external memory. */ - la t9, lowlevel_init - jalr t9 + la t9, lowlevel_init + jalr t9 nop /* Initialize caches... */ - la t9, mips_cache_reset - jalr t9 + la t9, mips_cache_reset + jalr t9 nop /* ... and enable them. @@ -269,12 +267,11 @@ reset: li t0, CONF_CM_CACHABLE_NONCOHERENT mtc0 t0, CP0_CONFIG - /* Set up temporary stack. */ li a0, CFG_INIT_SP_OFFSET - la t9, mips_cache_lock - jalr t9 + la t9, mips_cache_lock + jalr t9 nop li t0, CFG_SDRAM_BASE + CFG_INIT_SP_OFFSET @@ -284,7 +281,6 @@ reset: j t9 nop - /* * void relocate_code (addr_sp, gd, addr_moni) * @@ -298,7 +294,7 @@ reset: .globl relocate_code .ent relocate_code relocate_code: - move sp, a0 /* Set new stack pointer */ + move sp, a0 /* Set new stack pointer */ li t0, CFG_MONITOR_BASE la t3, in_ram @@ -312,8 +308,8 @@ relocate_code: */ move t6, gp sub gp, CFG_MONITOR_BASE - add gp, a2 /* gp now adjusted */ - sub t6, gp, t6 /* t6 <-- relocation offset */ + add gp, a2 /* gp now adjusted */ + sub t6, gp, t6 /* t6 <-- relocation offset */ /* * t0 = source address @@ -329,7 +325,7 @@ relocate_code: sw t3, 0(t1) addu t0, 4 ble t0, t2, 1b - addu t1, 4 /* delay slot */ + addu t1, 4 /* delay slot */ #endif /* If caches were enabled, we would have to flush them here. @@ -376,7 +372,8 @@ in_ram: add t2, t6 sub t1, 4 -1: addi t1, 4 +1: + addi t1, 4 bltl t1, t2, 1b sw zero, 0(t1) /* delay slot */ @@ -387,11 +384,10 @@ in_ram: .end relocate_code - /* Exception handlers. */ romReserved: - b romReserved + b romReserved romExcHandle: - b romExcHandle + b romExcHandle -- cgit v1.1 From 16664f72850846e645616da1c0fa5afcd6d15f15 Mon Sep 17 00:00:00 2001 From: Shinya Kuribayashi Date: Sat, 17 Nov 2007 20:05:26 +0900 Subject: [MIPS] Remove useless instructions for initializing $gp. Signed-off-by: Shinya Kuribayashi --- cpu/mips/start.S | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'cpu/mips/start.S') diff --git a/cpu/mips/start.S b/cpu/mips/start.S index 5a278b6..c92b162 100644 --- a/cpu/mips/start.S +++ b/cpu/mips/start.S @@ -238,9 +238,7 @@ reset: nop .word _gp 1: - move gp, ra - lw t1, 0(ra) - move gp, t1 + lw gp, 0(ra) #ifdef CONFIG_INCA_IP /* Disable INCA-IP Watchdog. -- cgit v1.1