diff options
| author | Mike Frysinger <vapier@gentoo.org> | 2009-11-03 06:11:31 -0500 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2010-01-17 09:17:26 -0500 |
| commit | b1e2c5519a06f9a5841a7a434bf4da4d393f8df5 (patch) | |
| tree | 81f47c465438a676c6c88a361a9e6aaf7f8f2969 /cpu | |
| parent | 446707c90f52e5fcafecd468920cfad685ee9fc7 (diff) | |
Blackfin: move section length calculation to linker script
The length of the sections is fixed at link time, so let the linker do the
calculation rather than doing it ourselves at runtime.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'cpu')
| -rw-r--r-- | cpu/blackfin/cpu.c | 11 | ||||
| -rw-r--r-- | cpu/blackfin/start.S | 18 |
2 files changed, 13 insertions, 16 deletions
diff --git a/cpu/blackfin/cpu.c b/cpu/blackfin/cpu.c index 9bb6407fc63..2c8fd86b86f 100644 --- a/cpu/blackfin/cpu.c +++ b/cpu/blackfin/cpu.c @@ -25,13 +25,12 @@ ulong bfin_poweron_retx; __attribute__ ((__noreturn__)) void cpu_init_f(ulong bootflag, ulong loaded_from_ldr) { - extern char _stext_l1; #ifndef CONFIG_BFIN_BOOTROM_USES_EVT1 /* Build a NOP slide over the LDR jump block. Whee! */ char nops[0xC]; serial_early_puts("NOP Slide\n"); memset(nops, 0x00, sizeof(nops)); - memcpy(&_stext_l1 - sizeof(nops), nops, sizeof(nops)); + memcpy((void *)L1_INST_SRAM, nops, sizeof(nops)); #endif if (!loaded_from_ldr) { @@ -40,10 +39,10 @@ void cpu_init_f(ulong bootflag, ulong loaded_from_ldr) * checking at build time. */ serial_early_puts("L1 Relocate\n"); - extern char _stext_l1, _etext_l1, _stext_l1_lma; - memcpy(&_stext_l1, &_stext_l1_lma, (&_etext_l1 - &_stext_l1)); - extern char _sdata_l1, _edata_l1, _sdata_l1_lma; - memcpy(&_sdata_l1, &_sdata_l1_lma, (&_edata_l1 - &_sdata_l1)); + extern char _stext_l1[], _text_l1_lma[], _text_l1_len[]; + memcpy(&_stext_l1, &_text_l1_lma, (unsigned long)_text_l1_len); + extern char _sdata_l1[], _data_l1_lma[], _data_l1_len[]; + memcpy(&_sdata_l1, &_data_l1_lma, (unsigned long)_data_l1_len); } #if defined(__ADSPBF537__) || defined(__ADSPBF536__) || defined(__ADSPBF534__) /* The BF537 bootrom will reset the EBIU_AMGCTL register on us diff --git a/cpu/blackfin/start.S b/cpu/blackfin/start.S index 7cbd6322059..44e27256084 100644 --- a/cpu/blackfin/start.S +++ b/cpu/blackfin/start.S @@ -139,11 +139,10 @@ ENTRY(_start) .Ldma_and_reprogram: r0.l = LO(L1_INST_SRAM); r0.h = HI(L1_INST_SRAM); - r1.l = __initcode_start; - r1.h = __initcode_start; - r2.l = __initcode_end; - r2.h = __initcode_end; - r2 = r2 - r1; /* convert r2 into length of initcode */ + r1.l = __initcode_lma; + r1.h = __initcode_lma; + r2.l = __initcode_len; + r2.h = __initcode_len; r1 = r1 - r4; /* convert r1 from load address of initcode ... */ r1 = r1 + r5; /* ... to current (not load) address of initcode */ p3 = r0; @@ -173,12 +172,11 @@ ENTRY(_start) * takes care of clearing things for us. */ serial_early_puts("Zero BSS"); - r0.l = __bss_start; - r0.h = __bss_start; + r0.l = __bss_vma; + r0.h = __bss_vma; r1 = 0 (x); - r2.l = __bss_end; - r2.h = __bss_end; - r2 = r2 - r0; + r2.l = __bss_len; + r2.h = __bss_len; call _memset; .Lnorelocate: |