From 3b1f26a50a2bfbd2825345b49b1d7f78432a7a4c Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Mon, 27 Oct 2008 18:21:43 +0800 Subject: 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 Signed-off-by: Bryan Wu --- arch/blackfin/include/asm/bfin-global.h | 2 +- arch/blackfin/kernel/setup.c | 10 +++++----- 2 files changed, 6 insertions(+), 6 deletions(-) (limited to 'arch/blackfin') diff --git a/arch/blackfin/include/asm/bfin-global.h b/arch/blackfin/include/asm/bfin-global.h index 56dcb0a2d24..77295666c34 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 7f35d1046cd..8337dc3a62d 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"); -- cgit v1.2.3