3 files changed, 35 insertions, 28 deletions

diff --git a/arch/mips/cpu/mips32/start.S b/arch/mips/cpu/mips32/start.S
index 7373d4e..cd8b914 100644
--- a/arch/mips/cpu/mips32/start.S
+++ b/arch/mips/cpu/mips32/start.S
@@ -228,17 +228,19 @@ in_ram:
 	blt	t2, t3, 1b
 	 addi	t4, 4
 
-	/* Clear BSS */
-	lw	t1, -12(t0)		# t1 <-- uboot_end_data
-	lw	t2, -8(t0)		# t2 <-- uboot_end
-	add	t1, s1			# adjust pointers
-	add	t2, s1
+	/*
+	 * Clear BSS
+	 *
+	 * GOT is now relocated. Thus __bss_start and __bss_end can be
+	 * accessed directly via $gp.
+	 */
+	la	t1, __bss_start		# t1 <-- __bss_start
+	la	t2, __bss_end		# t2 <-- __bss_end
 
-	sub	t1, 4
 1:
-	addi	t1, 4
-	bltl	t1, t2, 1b
-	 sw	zero, 0(t1)
+	sw	zero, 0(t1)
+	blt	t1, t2, 1b
+	 addi	t1, 4
 
 	move	a0, s0			# a0 <-- gd
 	la	t9, board_init_r
diff --git a/arch/mips/cpu/mips64/start.S b/arch/mips/cpu/mips64/start.S
index c0ae41a..ba4ca4d 100644
--- a/arch/mips/cpu/mips64/start.S
+++ b/arch/mips/cpu/mips64/start.S
@@ -220,17 +220,19 @@ in_ram:
 	blt	t2, t3, 1b
 	 daddi	t8, 8
 
-	/* Clear BSS */
-	ld	t1, -24(t0)		# t1 <-- uboot_end_data
-	ld	t2, -16(t0)		# t2 <-- uboot_end
-	dadd	t1, s1			# adjust pointers
-	dadd	t2, s1
+	/*
+	 * Clear BSS
+	 *
+	 * GOT is now relocated. Thus __bss_start and __bss_end can be
+	 * accessed directly via $gp.
+	 */
+	dla	t1, __bss_start		# t1 <-- __bss_start
+	dla	t2, __bss_end		# t2 <-- __bss_end
 
-	dsub	t1, 8
 1:
-	daddi	t1, 8
-	bltl	t1, t2, 1b
-	 sd	zero, 0(t1)
+	sd	zero, 0(t1)
+	blt	t1, t2, 1b
+	 daddi	t1, 8
 
 	move	a0, s0			# a0 <-- gd
 	dla	t9, board_init_r
diff --git a/arch/mips/cpu/xburst/start.S b/arch/mips/cpu/xburst/start.S
index 50b7fb1..bd9390a 100644
--- a/arch/mips/cpu/xburst/start.S
+++ b/arch/mips/cpu/xburst/start.S
@@ -143,16 +143,19 @@ in_ram:
 	blt	t2, t3, 1b
 	 addi	t4, 4
 
-	/* Clear BSS */
-	lw	t1, -12(t0)		# t1 <-- uboot_end_data
-	lw	t2, -8(t0)		# t2 <-- uboot_end
-	add	t1, t6			# adjust pointers
-	add	t2, t6
-
-	sub	t1, 4
-1:	addi	t1, 4
-	bltl	t1, t2, 1b
-	 sw	zero, 0(t1)
+	/*
+	 * Clear BSS
+	 *
+	 * GOT is now relocated. Thus __bss_start and __bss_end can be
+	 * accessed directly via $gp.
+	 */
+	la	t1, __bss_start		# t1 <-- __bss_start
+	la	t2, __bss_end		# t2 <-- __bss_end
+
+1:
+	sw	zero, 0(t1)
+	blt	t1, t2, 1b
+	 addi	t1, 4
 
 	move	a0, a1			# a0 <-- gd
 	la	t9, board_init_r