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author | Ingo Molnar <mingo@elte.hu> | 2009-01-11 02:42:53 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-01-11 02:42:53 +0100 |
commit | 506c10f26c481b7f8ef27c1c79290f68989b2e9e (patch) | |
tree | 03de82e812f00957aa6276dac2fe51c3358e88d7 /arch/arm/vfp/vfphw.S | |
parent | e1df957670aef74ffd9a4ad93e6d2c90bf6b4845 (diff) | |
parent | c59765042f53a79a7a65585042ff463b69cb248c (diff) | |
download | talos-obmc-linux-506c10f26c481b7f8ef27c1c79290f68989b2e9e.tar.gz talos-obmc-linux-506c10f26c481b7f8ef27c1c79290f68989b2e9e.zip |
Merge commit 'v2.6.29-rc1' into perfcounters/core
Conflicts:
include/linux/kernel_stat.h
Diffstat (limited to 'arch/arm/vfp/vfphw.S')
-rw-r--r-- | arch/arm/vfp/vfphw.S | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/arch/arm/vfp/vfphw.S b/arch/arm/vfp/vfphw.S index a62dcf7098ba..c92a08bd6a86 100644 --- a/arch/arm/vfp/vfphw.S +++ b/arch/arm/vfp/vfphw.S @@ -101,9 +101,12 @@ ENTRY(vfp_support_entry) VFPFSTMIA r4, r5 @ save the working registers VFPFMRX r5, FPSCR @ current status tst r1, #FPEXC_EX @ is there additional state to save? - VFPFMRX r6, FPINST, NE @ FPINST (only if FPEXC.EX is set) - tstne r1, #FPEXC_FP2V @ is there an FPINST2 to read? - VFPFMRX r8, FPINST2, NE @ FPINST2 if needed (and present) + beq 1f + VFPFMRX r6, FPINST @ FPINST (only if FPEXC.EX is set) + tst r1, #FPEXC_FP2V @ is there an FPINST2 to read? + beq 1f + VFPFMRX r8, FPINST2 @ FPINST2 if needed (and present) +1: stmia r4, {r1, r5, r6, r8} @ save FPEXC, FPSCR, FPINST, FPINST2 @ and point r4 at the word at the @ start of the register dump @@ -117,9 +120,12 @@ no_old_VFP_process: @ FPEXC is in a safe state ldmia r10, {r1, r5, r6, r8} @ load FPEXC, FPSCR, FPINST, FPINST2 tst r1, #FPEXC_EX @ is there additional state to restore? - VFPFMXR FPINST, r6, NE @ restore FPINST (only if FPEXC.EX is set) - tstne r1, #FPEXC_FP2V @ is there an FPINST2 to write? - VFPFMXR FPINST2, r8, NE @ FPINST2 if needed (and present) + beq 1f + VFPFMXR FPINST, r6 @ restore FPINST (only if FPEXC.EX is set) + tst r1, #FPEXC_FP2V @ is there an FPINST2 to write? + beq 1f + VFPFMXR FPINST2, r8 @ FPINST2 if needed (and present) +1: VFPFMXR FPSCR, r5 @ restore status check_for_exception: @@ -166,7 +172,7 @@ process_exception: @ retry the faulted instruction ENDPROC(vfp_support_entry) -#ifdef CONFIG_SMP +#if defined(CONFIG_SMP) || defined(CONFIG_PM) ENTRY(vfp_save_state) @ Save the current VFP state @ r0 - save location @@ -175,9 +181,12 @@ ENTRY(vfp_save_state) VFPFSTMIA r0, r2 @ save the working registers VFPFMRX r2, FPSCR @ current status tst r1, #FPEXC_EX @ is there additional state to save? - VFPFMRX r3, FPINST, NE @ FPINST (only if FPEXC.EX is set) - tstne r1, #FPEXC_FP2V @ is there an FPINST2 to read? - VFPFMRX r12, FPINST2, NE @ FPINST2 if needed (and present) + beq 1f + VFPFMRX r3, FPINST @ FPINST (only if FPEXC.EX is set) + tst r1, #FPEXC_FP2V @ is there an FPINST2 to read? + beq 1f + VFPFMRX r12, FPINST2 @ FPINST2 if needed (and present) +1: stmia r0, {r1, r2, r3, r12} @ save FPEXC, FPSCR, FPINST, FPINST2 mov pc, lr ENDPROC(vfp_save_state) |