diff options
| author | David Daney <ddaney@caviumnetworks.com> | 2008-12-12 02:33:25 +0300 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2009-01-11 12:57:21 +0300 |
| commit | 25c3000300163e2ebf68d94425088de35ead3d76 (patch) | |
| tree | 096d96e7e5fbe633bcbf1e19da53bcfea78461e3 /arch/mips | |
| parent | ed918c2daf9ef4c3b52f75736c3a652e5160c8ad (diff) | |
| download | linux-25c3000300163e2ebf68d94425088de35ead3d76.tar.xz | |
MIPS: Override assembler target architecture for octeon.
Gas from binutils 2.19 fails to compile some cop1 instructions with
-march=octeon. Since the cop1 instructions are present in mips1, use
that arch instead. This will be fixed in binutils 2.20.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/include/asm/mipsregs.h | 2 | ||||
| -rw-r--r-- | arch/mips/kernel/genex.S | 4 |
2 files changed, 6 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h index 207d098f707f..0417516503f6 100644 --- a/arch/mips/include/asm/mipsregs.h +++ b/arch/mips/include/asm/mipsregs.h @@ -1028,6 +1028,8 @@ do { \ __asm__ __volatile__( \ ".set\tpush\n\t" \ ".set\treorder\n\t" \ + /* gas fails to assemble cfc1 for some archs (octeon).*/ \ + ".set\tmips1\n\t" \ "cfc1\t%0,"STR(source)"\n\t" \ ".set\tpop" \ : "=r" (__res)); \ diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S index 757d48f0d80f..fb6f73148df2 100644 --- a/arch/mips/kernel/genex.S +++ b/arch/mips/kernel/genex.S @@ -385,10 +385,14 @@ NESTED(nmi_handler, PT_SIZE, sp) .endm .macro __build_clear_fpe + .set push + /* gas fails to assemble cfc1 for some archs (octeon).*/ \ + .set mips1 cfc1 a1, fcr31 li a2, ~(0x3f << 12) and a2, a1 ctc1 a2, fcr31 + .set pop TRACE_IRQS_ON STI .endm |