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authorMike Frysinger <vapier.adi@gmail.com>2008-10-27 18:21:43 +0800
committerBryan Wu <cooloney@kernel.org>2008-10-27 18:21:43 +0800
commit3b1f26a50a2bfbd2825345b49b1d7f78432a7a4c (patch)
tree05e1ee9dced5ec457daa5aeb7a7aa911930de9e4 /arch
parent6776cf4476833df0f1e96bd9dba18c1ea4f582d5 (diff)
downloadop-kernel-dev-3b1f26a50a2bfbd2825345b49b1d7f78432a7a4c.zip
op-kernel-dev-3b1f26a50a2bfbd2825345b49b1d7f78432a7a4c.tar.gz
Blackfin arch: don't copy bss when copying L1
when copying L1 regions, go to the start of bss rather than end since we have code to zero it out already Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/blackfin/include/asm/bfin-global.h2
-rw-r--r--arch/blackfin/kernel/setup.c10
2 files changed, 6 insertions, 6 deletions
diff --git a/arch/blackfin/include/asm/bfin-global.h b/arch/blackfin/include/asm/bfin-global.h
index 56dcb0a..7729566 100644
--- a/arch/blackfin/include/asm/bfin-global.h
+++ b/arch/blackfin/include/asm/bfin-global.h
@@ -101,7 +101,7 @@ extern u16 _bfin_swrst; /* shadow for Software Reset Register (SWRST) */
extern unsigned long _ramstart, _ramend, _rambase;
extern unsigned long memory_start, memory_end, physical_mem_end;
extern char _stext_l1[], _etext_l1[], _sdata_l1[], _edata_l1[], _sbss_l1[],
- _ebss_l1[], _l1_lma_start[], _sdata_b_l1[], _ebss_b_l1[],
+ _ebss_l1[], _l1_lma_start[], _sdata_b_l1[], _sbss_b_l1[], _ebss_b_l1[],
_stext_l2[], _etext_l2[], _sdata_l2[], _edata_l2[], _sbss_l2[],
_ebss_l2[], _l2_lma_start[];
diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index 7f35d10..8337dc3 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -119,23 +119,23 @@ void __init bfin_relocate_l1_mem(void)
/* Copy _stext_l1 to _etext_l1 to L1 instruction SRAM */
dma_memcpy(_stext_l1, _l1_lma_start, l1_code_length);
- l1_data_a_length = _ebss_l1 - _sdata_l1;
+ l1_data_a_length = _sbss_l1 - _sdata_l1;
if (l1_data_a_length > L1_DATA_A_LENGTH)
panic("L1 Data SRAM Bank A Overflow\n");
- /* Copy _sdata_l1 to _ebss_l1 to L1 data bank A SRAM */
+ /* Copy _sdata_l1 to _sbss_l1 to L1 data bank A SRAM */
dma_memcpy(_sdata_l1, _l1_lma_start + l1_code_length, l1_data_a_length);
- l1_data_b_length = _ebss_b_l1 - _sdata_b_l1;
+ l1_data_b_length = _sbss_b_l1 - _sdata_b_l1;
if (l1_data_b_length > L1_DATA_B_LENGTH)
panic("L1 Data SRAM Bank B Overflow\n");
- /* Copy _sdata_b_l1 to _ebss_b_l1 to L1 data bank B SRAM */
+ /* Copy _sdata_b_l1 to _sbss_b_l1 to L1 data bank B SRAM */
dma_memcpy(_sdata_b_l1, _l1_lma_start + l1_code_length +
l1_data_a_length, l1_data_b_length);
if (L2_LENGTH != 0) {
- l2_length = _ebss_l2 - _stext_l2;
+ l2_length = _sbss_l2 - _stext_l2;
if (l2_length > L2_LENGTH)
panic("L2 SRAM Overflow\n");
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