aboutsummaryrefslogtreecommitdiffstats
path: root/arch/frv/kernel/break.S
diff options
context:
space:
mode:
Diffstat (limited to 'arch/frv/kernel/break.S')
-rw-r--r--arch/frv/kernel/break.S34
1 files changed, 19 insertions, 15 deletions
diff --git a/arch/frv/kernel/break.S b/arch/frv/kernel/break.S
index ea161f0ca427..dac4a5f68c2e 100644
--- a/arch/frv/kernel/break.S
+++ b/arch/frv/kernel/break.S
@@ -9,11 +9,11 @@
9 * 2 of the License, or (at your option) any later version. 9 * 2 of the License, or (at your option) any later version.
10 */ 10 */
11 11
12#include <linux/sys.h>
13#include <linux/linkage.h> 12#include <linux/linkage.h>
14#include <asm/setup.h> 13#include <asm/setup.h>
15#include <asm/segment.h> 14#include <asm/segment.h>
16#include <asm/ptrace.h> 15#include <asm/ptrace.h>
16#include <asm/thread_info.h>
17#include <asm/spr-regs.h> 17#include <asm/spr-regs.h>
18 18
19#include <asm/errno.h> 19#include <asm/errno.h>
@@ -23,13 +23,11 @@
23# 23#
24 .section .bss.stack 24 .section .bss.stack
25 .globl __break_user_context 25 .globl __break_user_context
26 .balign 8192 26 .balign THREAD_SIZE
27__break_stack: 27__break_stack:
28 .space (8192 - (USER_CONTEXT_SIZE + REG__DEBUG_XTRA)) & ~7 28 .space THREAD_SIZE - FRV_FRAME0_SIZE
29__break_stack_tos: 29__break_frame_0:
30 .space REG__DEBUG_XTRA 30 .space FRV_FRAME0_SIZE
31__break_user_context:
32 .space USER_CONTEXT_SIZE
33 31
34# 32#
35# miscellaneous variables 33# miscellaneous variables
@@ -74,8 +72,8 @@ __entry_break:
74#endif 72#endif
75 LEDS 0x1001,gr31 73 LEDS 0x1001,gr31
76 74
77 sethi.p %hi(__break_user_context),gr31 75 sethi.p %hi(__break_frame_0),gr31
78 setlo %lo(__break_user_context),gr31 76 setlo %lo(__break_frame_0),gr31
79 77
80 stdi gr2,@(gr31,#REG_GR(2)) 78 stdi gr2,@(gr31,#REG_GR(2))
81 movsg ccr,gr3 79 movsg ccr,gr3
@@ -585,8 +583,8 @@ __break_continue:
585 # set up the kernel stack pointer 583 # set up the kernel stack pointer
586 sti sp,@(gr31,#REG_SP) 584 sti sp,@(gr31,#REG_SP)
587 585
588 sethi.p %hi(__break_stack_tos),sp 586 sethi.p %hi(__break_frame_0),sp
589 setlo %lo(__break_stack_tos),sp 587 setlo %lo(__break_frame_0),sp
590 588
591 # finish building the exception frame 589 # finish building the exception frame
592 stdi gr4 ,@(gr31,#REG_GR(4)) 590 stdi gr4 ,@(gr31,#REG_GR(4))
@@ -651,9 +649,12 @@ __break_continue:
651 movsg nmar,gr5 649 movsg nmar,gr5
652 movsg dcr,gr6 650 movsg dcr,gr6
653 651
654 stdi gr4 ,@(gr31,#REG_BRR) 652 sethi.p %hi(__debug_status),gr7
655 sti gr19,@(gr31,#REG_BPSR) 653 setlo %lo(__debug_status),gr7
656 sti.p gr6 ,@(gr31,#REG_DCR) 654
655 stdi gr4 ,@(gr7,#DEBUG_BRR)
656 sti gr19,@(gr7,#DEBUG_BPSR)
657 sti.p gr6 ,@(gr7,#DEBUG_DCR)
657 658
658 # trap exceptions during break handling and disable h/w breakpoints/watchpoints 659 # trap exceptions during break handling and disable h/w breakpoints/watchpoints
659 sethi %hi(DCR_EBE),gr5 660 sethi %hi(DCR_EBE),gr5
@@ -698,7 +699,10 @@ __break_continue:
698 lddi @(gr31,#REG_PSR) ,gr22 699 lddi @(gr31,#REG_PSR) ,gr22
699 ldi @(gr31,#REG_PC) ,gr21 700 ldi @(gr31,#REG_PC) ,gr21
700 ldi @(gr31,#REG_TBR) ,gr20 701 ldi @(gr31,#REG_TBR) ,gr20
701 ldi.p @(gr31,#REG_DCR) ,gr6 702
703 sethi.p %hi(__debug_status),gr6
704 setlo %lo(__debug_status),gr6
705 ldi.p @(gr6,#DEBUG_DCR) ,gr6
702 706
703 andi gr22,#PSR_S,gr19 /* rebuild BPSR */ 707 andi gr22,#PSR_S,gr19 /* rebuild BPSR */
704 andi.p gr22,#PSR_ET,gr5 708 andi.p gr22,#PSR_ET,gr5