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| author | Maciej W. Rozycki <macro@linux-mips.org> | 2007-09-18 18:49:08 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2007-10-11 23:46:04 +0100 |
| commit | e5d77754c5e1a54f9eb61c03085d7932a0b6b738 (patch) | |
| tree | 0d48b6f7297c79591707a19cd872535fb3f9de37 | |
| parent | 0f5c90644240cc17d5940fa3594cc51ad1ae7ba7 (diff) | |
| download | op-kernel-dev-e5d77754c5e1a54f9eb61c03085d7932a0b6b738.zip op-kernel-dev-e5d77754c5e1a54f9eb61c03085d7932a0b6b738.tar.gz | |
[MIPS] R3000 setup for kernel_thread()
Match the R4000 semantics for the initial state of interrupt/kernel
status register flags for the R3000 in kernel_thread().
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| -rw-r--r-- | arch/mips/kernel/process.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index e6ce943..aadd2cd 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -231,8 +231,8 @@ long kernel_thread(int (*fn)(void *), void *arg, unsigned long flags) regs.cp0_epc = (unsigned long) kernel_thread_helper; regs.cp0_status = read_c0_status(); #if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX) - regs.cp0_status &= ~(ST0_KUP | ST0_IEC); - regs.cp0_status |= ST0_IEP; + regs.cp0_status = (regs.cp0_status & ~(ST0_KUP | ST0_IEP | ST0_IEC)) | + ((regs.cp0_status & (ST0_KUC | ST0_IEC)) << 2); #else regs.cp0_status |= ST0_EXL; #endif |
