cex-sb1.S (1da177e4c3f41524e886b7f1b8a0c1fc7321cac2) cex-sb1.S (a4b5bd9abcf5b0586de68722ff8e9b91020279bf)
1/*
2 * Copyright (C) 2001,2002,2003 Broadcom Corporation
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
8 *

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59 * mapped while ERL=1). Note that we can't save to a
60 * CPU-specific location without ruining a register in the
61 * process. This means we are vulnerable to data corruption
62 * whenever the handler is reentered by a second CPU.
63 */
64 sd k0,0x170($0)
65 sd k1,0x178($0)
66
1/*
2 * Copyright (C) 2001,2002,2003 Broadcom Corporation
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
8 *

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59 * mapped while ERL=1). Note that we can't save to a
60 * CPU-specific location without ruining a register in the
61 * process. This means we are vulnerable to data corruption
62 * whenever the handler is reentered by a second CPU.
63 */
64 sd k0,0x170($0)
65 sd k1,0x178($0)
66
67#if CONFIG_SB1_CEX_ALWAYS_FATAL
68 j handle_vec2_sb1
69 nop
70#else
67 /*
68 * M_ERRCTL_RECOVERABLE is bit 31, which makes it easy to tell
69 * if we can fast-path out of here for a h/w-recovered error.
70 */
71 mfc0 k1,C0_ERRCTL
72 bgtz k1,attempt_recovery
73 sll k0,k1,1
74

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129 ld k0,0x170($0)
130 ld k1,0x178($0)
131 eret
132
133unrecoverable:
134 /* Unrecoverable Icache or Dcache error; log it and/or fail */
135 j handle_vec2_sb1
136 nop
71 /*
72 * M_ERRCTL_RECOVERABLE is bit 31, which makes it easy to tell
73 * if we can fast-path out of here for a h/w-recovered error.
74 */
75 mfc0 k1,C0_ERRCTL
76 bgtz k1,attempt_recovery
77 sll k0,k1,1
78

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133 ld k0,0x170($0)
134 ld k1,0x178($0)
135 eret
136
137unrecoverable:
138 /* Unrecoverable Icache or Dcache error; log it and/or fail */
139 j handle_vec2_sb1
140 nop
141#endif
137
138END(except_vec2_sb1)
139
140 __FINIT
141
142 LEAF(handle_vec2_sb1)
143 mfc0 k0,CP0_CONFIG
144 li k1,~CONF_CM_CMASK

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143END(except_vec2_sb1)
144
145 __FINIT
146
147 LEAF(handle_vec2_sb1)
148 mfc0 k0,CP0_CONFIG
149 li k1,~CONF_CM_CMASK

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