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| author | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-06-10 13:47:26 -0500 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-06-10 13:47:26 -0500 |
| commit | f0cd91a68acdc9b49d7f6738b514a426da627649 (patch) | |
| tree | 8ad73564015794197583b094217ae0a71e71e753 /arch/mips/kernel/gdb-low.S | |
| parent | 60eef25701d25e99c991dd0f4a9f3832a0c3ad3e (diff) | |
| parent | 128e6ced247cda88f96fa9f2e4ba8b2c4a681560 (diff) | |
Merge ../linux-2.6
Diffstat (limited to 'arch/mips/kernel/gdb-low.S')
| -rw-r--r-- | arch/mips/kernel/gdb-low.S | 32 |
1 files changed, 28 insertions, 4 deletions
diff --git a/arch/mips/kernel/gdb-low.S b/arch/mips/kernel/gdb-low.S index 235ad9f6bd3..5fd7a8af0c6 100644 --- a/arch/mips/kernel/gdb-low.S +++ b/arch/mips/kernel/gdb-low.S @@ -54,9 +54,11 @@ */ mfc0 k0, CP0_CAUSE andi k0, k0, 0x7c - add k1, k1, k0 - PTR_L k0, saved_vectors(k1) - jr k0 +#ifdef CONFIG_64BIT + dsll k0, k0, 1 +#endif + PTR_L k1, saved_vectors(k0) + jr k1 nop 1: move k0, sp @@ -283,11 +285,33 @@ */ 3: +#ifdef CONFIG_MIPS_MT_SMTC + /* Read-modify write of Status must be atomic */ + mfc0 t2, CP0_TCSTATUS + ori t1, t2, TCSTATUS_IXMT + mtc0 t1, CP0_TCSTATUS + andi t2, t2, TCSTATUS_IXMT + ehb + DMT 9 # dmt t1 + jal mips_ihb + nop +#endif /* CONFIG_MIPS_MT_SMTC */ mfc0 t0, CP0_STATUS ori t0, 0x1f xori t0, 0x1f mtc0 t0, CP0_STATUS - +#ifdef CONFIG_MIPS_MT_SMTC + andi t1, t1, VPECONTROL_TE + beqz t1, 9f + nop + EMT # emt +9: + mfc0 t1, CP0_TCSTATUS + xori t1, t1, TCSTATUS_IXMT + or t1, t1, t2 + mtc0 t1, CP0_TCSTATUS + ehb +#endif /* CONFIG_MIPS_MT_SMTC */ LONG_L v0, GDB_FR_STATUS(sp) LONG_L v1, GDB_FR_EPC(sp) mtc0 v0, CP0_STATUS |