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Commit 09e1f70e authored by Mike Frysinger's avatar Mike Frysinger Committed by Bryan Wu
Browse files

Blackfin arch: unify the duplicated _real_start functions 



Signed-off-by: default avatarMike Frysinger <vapier.adi@gmail.com>
Signed-off-by: default avatarBryan Wu <cooloney@kernel.org>
parent 778307d3

arch/blackfin/mach-bf527/head.S

+0 −70
Original line number Diff line number Diff line
@@ -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

arch/blackfin/mach-bf533/head.S

+0 −70
Original line number Diff line number Diff line
@@ -228,76 +228,6 @@ 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

arch/blackfin/mach-bf537/head.S

+0 −70
Original line number Diff line number Diff line
@@ -240,76 +240,6 @@ 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

arch/blackfin/mach-bf548/head.S

+0 −73
Original line number Diff line number Diff line
@@ -212,79 +212,6 @@ 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;

	call _start_kernel;

.L_exit:

	jump.s	.L_exit;

ENDPROC(_real_start)



__FINIT



.section .l1.text

arch/blackfin/mach-bf561/head.S

+0 −70
Original line number Diff line number Diff line
@@ -217,76 +217,6 @@ ENTRY(__start) 
	jump .LWAIT_HERE;

ENDPROC(__start)



ENTRY(_real_start)

	[ -- sp ] = reti;

	p0.l = lo(WDOGA_CTL);

	p0.h = hi(WDOGA_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