[MIPS] MT: Improved multithreading support.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/include/asm-mips/mipsmtregs.h b/include/asm-mips/mipsmtregs.h
index a5ac1a6..f637ce7 100644
--- a/include/asm-mips/mipsmtregs.h
+++ b/include/asm-mips/mipsmtregs.h
@@ -165,7 +165,7 @@
#ifndef __ASSEMBLY__
-extern void mips_mt_regdump(void);
+extern void mips_mt_regdump(unsigned long previous_mvpcontrol_value);
static inline unsigned int dvpe(void)
{
@@ -282,8 +282,11 @@
\
__asm__ __volatile__( \
" .set push \n" \
+ " .set noat \n" \
" .set mips32r2 \n" \
- " mftgpr %0," #rt " \n" \
+ " # mftgpr $1," #rt " \n" \
+ " .word 0x41000820 | (" #rt " << 16) \n" \
+ " move %0, $1 \n" \
" .set pop \n" \
: "=r" (__res)); \
\
@@ -295,9 +298,7 @@
unsigned long __res; \
\
__asm__ __volatile__( \
- ".set noat\n\t" \
- "mftr\t%0, " #rt ", " #u ", " #sel "\n\t" \
- ".set at\n\t" \
+ " mftr %0, " #rt ", " #u ", " #sel " \n" \
: "=r" (__res)); \
\
__res; \