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Blackfin: initial XIP support

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Signed-off-by: Barry Song <barry.song@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Barry Song
2010-01-07 04:11:17 +00:00
committed by Mike Frysinger
parent aad16f3228
commit d86bfb1600
13 changed files with 160 additions and 29 deletions
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10
arch/blackfin/mach-common/interrupt.S
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@@ -109,10 +109,10 @@ __common_int_entry:
cc = r0 == 0;
if cc jump .Lcommon_restore_context;
#else /* CONFIG_IPIPE */
call _do_irq;
pseudo_long_call _do_irq, p2;
SP += 12;
#endif /* CONFIG_IPIPE */
call _return_from_int;
pseudo_long_call _return_from_int, p2;
.Lcommon_restore_context:
RESTORE_CONTEXT
rti;
@@ -168,7 +168,7 @@ ENTRY(_evt_ivhw)
r0 = sp; /* stack frame pt_regs pointer argument ==> r0 */
SP += -12;
call _trap_c;
pseudo_long_call _trap_c, p5;
SP += 12;
#ifdef EBIU_ERRMST
@@ -179,7 +179,7 @@ ENTRY(_evt_ivhw)
w[p0] = r0.l;
#endif
call _ret_from_exception;
pseudo_long_call _ret_from_exception, p2;
.Lcommon_restore_all_sys:
RESTORE_ALL_SYS
@@ -223,7 +223,7 @@ ENTRY(_evt_system_call)
#ifdef CONFIG_FRAME_POINTER
fp = 0;
#endif
call _system_call;
pseudo_long_call _system_call, p2;
jump .Lcommon_restore_context;
ENDPROC(_evt_system_call)