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| author | Ingo Molnar <mingo@elte.hu> | 2009-03-05 14:47:28 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-03-05 14:47:28 +0300 |
| commit | 7df4edb07cf54a4868b9a750424c0d2aa68f8d66 (patch) | |
| tree | 0ad0ad3f3dcb6f9edf26dde42ba625053dddf54f /arch/blackfin/mach-common/head.S | |
| parent | 0d688da5505d77bcef2441e0a22d8cc26459702d (diff) | |
| parent | 559595a985e106d2fa9f0c79b7f5805453fed593 (diff) | |
| download | linux-7df4edb07cf54a4868b9a750424c0d2aa68f8d66.tar.xz | |
Merge branch 'linus' into core/iommu
Diffstat (limited to 'arch/blackfin/mach-common/head.S')
| -rw-r--r-- | arch/blackfin/mach-common/head.S | 84 |
1 files changed, 42 insertions, 42 deletions
diff --git a/arch/blackfin/mach-common/head.S b/arch/blackfin/mach-common/head.S index e1e42c029e15..698d4c05947e 100644 --- a/arch/blackfin/mach-common/head.S +++ b/arch/blackfin/mach-common/head.S @@ -17,6 +17,19 @@ __INIT +ENTRY(__init_clear_bss) + r2 = r2 - r1; + cc = r2 == 0; + if cc jump .L_bss_done; + r2 >>= 2; + p1 = r1; + p2 = r2; + lsetup (1f, 1f) lc0 = p2; +1: [p1++] = r0; +.L_bss_done: + rts; +ENDPROC(__init_clear_bss) + #define INITIAL_STACK (L1_SCRATCH_START + L1_SCRATCH_LENGTH - 12) ENTRY(__start) @@ -144,6 +157,35 @@ ENTRY(__start) call _init_early_exception_vectors; #endif + r0 = 0 (x); + /* Zero out all of the fun bss regions */ +#if L1_DATA_A_LENGTH > 0 + r1.l = __sbss_l1; + r1.h = __sbss_l1; + r2.l = __ebss_l1; + r2.h = __ebss_l1; + call __init_clear_bss +#endif +#if L1_DATA_B_LENGTH > 0 + r1.l = __sbss_b_l1; + r1.h = __sbss_b_l1; + r2.l = __ebss_b_l1; + r2.h = __ebss_b_l1; + call __init_clear_bss +#endif +#if L2_LENGTH > 0 + r1.l = __sbss_l2; + r1.h = __sbss_l2; + r2.l = __ebss_l2; + r2.h = __ebss_l2; + call __init_clear_bss +#endif + r1.l = ___bss_start; + r1.h = ___bss_start; + r2.l = ___bss_stop; + r2.h = ___bss_stop; + call __init_clear_bss + /* Put The Code for PLL Programming and SDRAM Programming in L1 ISRAM */ call _bfin_relocate_l1_mem; #ifdef CONFIG_BFIN_KERNEL_CLOCK @@ -185,19 +227,6 @@ ENDPROC(__start) # define WDOG_CTL WDOGA_CTL #endif -ENTRY(__init_clear_bss) - r2 = r2 - r1; - cc = r2 == 0; - if cc jump .L_bss_done; - r2 >>= 2; - p1 = r1; - p2 = r2; - lsetup (1f, 1f) lc0 = p2; -1: [p1++] = r0; -.L_bss_done: - rts; -ENDPROC(__init_clear_bss) - ENTRY(_real_start) /* Enable nested interrupts */ [--sp] = reti; @@ -209,35 +238,6 @@ ENTRY(_real_start) w[p0] = r0; ssync; - r0 = 0 (x); - /* Zero out all of the fun bss regions */ -#if L1_DATA_A_LENGTH > 0 - r1.l = __sbss_l1; - r1.h = __sbss_l1; - r2.l = __ebss_l1; - r2.h = __ebss_l1; - call __init_clear_bss -#endif -#if L1_DATA_B_LENGTH > 0 - r1.l = __sbss_b_l1; - r1.h = __sbss_b_l1; - r2.l = __ebss_b_l1; - r2.h = __ebss_b_l1; - call __init_clear_bss -#endif -#if L2_LENGTH > 0 - r1.l = __sbss_l2; - r1.h = __sbss_l2; - r2.l = __ebss_l2; - r2.h = __ebss_l2; - call __init_clear_bss -#endif - r1.l = ___bss_start; - r1.h = ___bss_start; - r2.l = ___bss_stop; - r2.h = ___bss_stop; - call __init_clear_bss - /* Pass the u-boot arguments to the global value command line */ R0 = R7; call _cmdline_init; |