diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-27 18:53:26 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-27 18:53:26 -0700 |
| commit | bdab225015fbbb45ccd8913f5d7c01b2bf67d8b2 (patch) | |
| tree | 5ef62301face958977a084bf2b6c5300296a25f2 /arch/mn10300/include/asm/frame.inc | |
| parent | 7c5814c7199851c5fe9395d08fc1ab3c8c1531ea (diff) | |
| parent | 7c7fcf762e405eb040ee10d22d656a791f616122 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-2.6-mn10300
* git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-2.6-mn10300: (44 commits)
MN10300: Save frame pointer in thread_info struct rather than global var
MN10300: Change "Matsushita" to "Panasonic".
MN10300: Create a defconfig for the ASB2364 board
MN10300: Update the ASB2303 defconfig
MN10300: ASB2364: Add support for SMSC911X and SMC911X
MN10300: ASB2364: Handle the IRQ multiplexer in the FPGA
MN10300: Generic time support
MN10300: Specify an ELF HWCAP flag for MN10300 Atomic Operations Unit support
MN10300: Map userspace atomic op regs as a vmalloc page
MN10300: And Panasonic AM34 subarch and implement SMP
MN10300: Delete idle_timestamp from irq_cpustat_t
MN10300: Make various interrupt priority settings configurable
MN10300: Optimise do_csum()
MN10300: Implement atomic ops using atomic ops unit
MN10300: Make the FPU operate in non-lazy mode under SMP
MN10300: SMP TLB flushing
MN10300: Use the [ID]PTEL2 registers rather than [ID]PTEL for TLB control
MN10300: Make the use of PIDR to mark TLB entries controllable
MN10300: Rename __flush_tlb*() to local_flush_tlb*()
MN10300: AM34 erratum requires MMUCTR read and write on exception entry
...
Diffstat (limited to 'arch/mn10300/include/asm/frame.inc')
| -rw-r--r-- | arch/mn10300/include/asm/frame.inc | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/arch/mn10300/include/asm/frame.inc b/arch/mn10300/include/asm/frame.inc index 5b1949bdf03..2ee58e3eb6b 100644 --- a/arch/mn10300/include/asm/frame.inc +++ b/arch/mn10300/include/asm/frame.inc @@ -18,6 +18,7 @@ #ifndef __ASM_OFFSETS_H__ #include <asm/asm-offsets.h> #endif +#include <asm/thread_info.h> #define pi break @@ -37,11 +38,15 @@ movm [d2,d3,a2,a3,exreg0,exreg1,exother],(sp) mov sp,fp # FRAME pointer in A3 add -12,sp # allow for calls to be made - mov (__frame),a1 - mov a1,(REG_NEXT,fp) - mov fp,(__frame) - and ~EPSW_FE,epsw # disable the FPU inside the kernel + # push the exception frame onto the front of the list + GET_THREAD_INFO a1 + mov (TI_frame,a1),a0 + mov a0,(REG_NEXT,fp) + mov fp,(TI_frame,a1) + + # disable the FPU inside the kernel + and ~EPSW_FE,epsw # we may be holding current in E2 #ifdef CONFIG_MN10300_CURRENT_IN_E2 @@ -57,10 +62,11 @@ .macro RESTORE_ALL # peel back the stack to the calling frame # - this permits execve() to discard extra frames due to kernel syscalls - mov (__frame),fp + GET_THREAD_INFO a0 + mov (TI_frame,a0),fp mov fp,sp - mov (REG_NEXT,fp),d0 # userspace has regs->next == 0 - mov d0,(__frame) + mov (REG_NEXT,fp),d0 + mov d0,(TI_frame,a0) # userspace has regs->next == 0 #ifndef CONFIG_MN10300_USING_JTAG mov (REG_EPSW,fp),d0 |