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| author | Mike Frysinger <vapier.adi@gmail.com> | 2008-08-06 17:15:27 +0800 |
|---|---|---|
| committer | Bryan Wu <cooloney@kernel.org> | 2008-08-06 17:15:27 +0800 |
| commit | 09e1f70e31ed6ca23dd42feb10aa104fc1b04c40 (patch) | |
| tree | be3b8fb1813414395fa4c11ad51698414191e043 /arch/blackfin/mach-bf527 | |
| parent | 778307d372555f979cf6cef112a6d7fbff056cd9 (diff) | |
| download | op-kernel-dev-09e1f70e31ed6ca23dd42feb10aa104fc1b04c40.zip op-kernel-dev-09e1f70e31ed6ca23dd42feb10aa104fc1b04c40.tar.gz | |
Blackfin arch: unify the duplicated _real_start functions
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to 'arch/blackfin/mach-bf527')
| -rw-r--r-- | arch/blackfin/mach-bf527/head.S | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/arch/blackfin/mach-bf527/head.S b/arch/blackfin/mach-bf527/head.S index a16a265..180d3c8 100644 --- a/arch/blackfin/mach-bf527/head.S +++ b/arch/blackfin/mach-bf527/head.S @@ -226,76 +226,6 @@ ENTRY(__start) jump .LWAIT_HERE; ENDPROC(__start) -ENTRY(_real_start) - [ -- sp ] = reti; - p0.l = lo(WDOG_CTL); - p0.h = hi(WDOG_CTL); - r0 = 0xAD6(z); - w[p0] = r0; /* watchdog off for now */ - ssync; - - /* Code update for BSS size == 0 - * Zero out the bss region. - */ - - p1.l = ___bss_start; - p1.h = ___bss_start; - p2.l = ___bss_stop; - p2.h = ___bss_stop; - r0 = 0; - p2 -= p1; - lsetup (.L_clear_bss, .L_clear_bss) lc0 = p2; -.L_clear_bss: - B[p1++] = r0; - - /* In case there is a NULL pointer reference - * Zero out region before stext - */ - - p1.l = 0x0; - p1.h = 0x0; - r0.l = __stext; - r0.h = __stext; - r0 = r0 >> 1; - p2 = r0; - r0 = 0; - lsetup (.L_clear_zero, .L_clear_zero) lc0 = p2; -.L_clear_zero: - W[p1++] = r0; - - /* pass the uboot arguments to the global value command line */ - R0 = R7; - call _cmdline_init; - - p1.l = __rambase; - p1.h = __rambase; - r0.l = __sdata; - r0.h = __sdata; - [p1] = r0; - - p1.l = __ramstart; - p1.h = __ramstart; - p3.l = ___bss_stop; - p3.h = ___bss_stop; - - r1 = p3; - [p1] = r1; - - /* - * load the current thread pointer and stack - */ - r1.l = _init_thread_union; - r1.h = _init_thread_union; - - r2.l = 0x2000; - r2.h = 0x0000; - r1 = r1 + r2; - sp = r1; - usp = sp; - fp = sp; - jump.l _start_kernel; -ENDPROC(_real_start) - __FINIT .section .l1.text |
