diff options
Diffstat (limited to 'target/linux/coldfire/patches/065-mcfv4e_bss_clear_move.patch')
| -rw-r--r-- | target/linux/coldfire/patches/065-mcfv4e_bss_clear_move.patch | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/target/linux/coldfire/patches/065-mcfv4e_bss_clear_move.patch b/target/linux/coldfire/patches/065-mcfv4e_bss_clear_move.patch new file mode 100644 index 0000000000..84a26a3e21 --- /dev/null +++ b/target/linux/coldfire/patches/065-mcfv4e_bss_clear_move.patch @@ -0,0 +1,46 @@ +From 87ea76988875856dc1c3657b27ac792d2f0311e9 Mon Sep 17 00:00:00 2001 +From: Kurt Mahan <kmahan@freescale.com> +Date: Tue, 24 Jun 2008 22:12:17 -0600 +Subject: [PATCH] Move BSS initialization after mmu setup. + +LTIBName: mcfv4e-bss-clear-move +Signed-off-by: Kurt Mahan <kmahan@freescale.com> +--- + arch/m68k/coldfire/head.S | 19 +++++++++---------- + 1 files changed, 9 insertions(+), 10 deletions(-) + +--- a/arch/m68k/coldfire/head.S ++++ b/arch/m68k/coldfire/head.S +@@ -326,16 +326,6 @@ ENTRY(__start) + movec %d0, %acr3 + nop + +-#ifdef CONFIG_COLDFIRE +-/* zero bss */ +- lea _sbss,%a0 +- lea _ebss,%a1 +- clrl %d0 +-_loop_bss: +- movel %d0,(%a0)+ +- cmpl %a0,%a1 +- bne _loop_bss +-#endif + /* If you change the memory size to another value make a matching + change in paging_init(cf-mmu.c) to zones_size[]. */ + +@@ -564,6 +554,15 @@ ENTRY(__running_high) + addl #PAGE_OFFSET,%a1 + movel %a1,%a0@ + ++/* zero bss */ ++ lea _sbss,%a0 ++ lea _ebss,%a1 ++ clrl %d0 ++_loop_bss: ++ movel %d0,(%a0)+ ++ cmpl %a0,%a1 ++ bne _loop_bss ++ + /* Unmap unity mappings */ + #if CONFIG_SDRAM_BASE != PAGE_OFFSET + #if defined(CONFIG_M5445X) |