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| author |   Ingo Molnar <mingo@kernel.org> | 2019-05-16 09:04:48 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-05-16 09:04:48 +0200 |
| commit | 00f5764dbb040188e5dce2cd9e648360886b045c (patch) | |
| tree | 2dc969bb165a27a7cebdd1798b7a697243a790de /arch/csky/abiv1/inc/abi/entry.h | |
| parent | x86/kconfig: Disable CONFIG_GENERIC_HWEIGHT and remove __HAVE_ARCH_SW_HWEIGHT (diff) | |
| parent | Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma (diff) | |
| download | linux-dev-00f5764dbb040188e5dce2cd9e648360886b045c.tar.xz linux-dev-00f5764dbb040188e5dce2cd9e648360886b045c.zip | |
Merge branch 'linus' into x86/urgent, to pick up dependent changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/csky/abiv1/inc/abi/entry.h')
| -rw-r--r-- | arch/csky/abiv1/inc/abi/entry.h | 41 |
1 files changed, 29 insertions, 12 deletions
diff --git a/arch/csky/abiv1/inc/abi/entry.h b/arch/csky/abiv1/inc/abi/entry.h index 3f3faab3d747..7ab78bd0f3b1 100644 --- a/arch/csky/abiv1/inc/abi/entry.h +++ b/arch/csky/abiv1/inc/abi/entry.h @@ -16,9 +16,6 @@ #define LSAVE_A4 40 #define LSAVE_A5 44 -#define EPC_INCREASE 2 -#define EPC_KEEP 0 - .macro USPTOKSP mtcr sp, ss1 mfcr sp, ss0 @@ -29,10 +26,6 @@ mfcr sp, ss1 .endm -.macro INCTRAP rx - addi \rx, EPC_INCREASE -.endm - .macro SAVE_ALL epc_inc mtcr r13, ss2 mfcr r13, epsr @@ -150,11 +143,35 @@ cpwcr \rx, cpcr8 .endm -.macro SETUP_MMU rx - lrw \rx, PHYS_OFFSET | 0xe - cpwcr \rx, cpcr30 - lrw \rx, (PHYS_OFFSET + 0x20000000) | 0xe - cpwcr \rx, cpcr31 +.macro SETUP_MMU + /* Init psr and enable ee */ + lrw r6, DEFAULT_PSR_VALUE + mtcr r6, psr + psrset ee + + /* Select MMU as co-processor */ + cpseti cp15 + + /* + * cpcr30 format: + * 31 - 29 | 28 - 4 | 3 | 2 | 1 | 0 + * BA Reserved C D V + */ + cprcr r6, cpcr30 + lsri r6, 28 + lsli r6, 28 + addi r6, 0xe + cpwcr r6, cpcr30 + + lsri r6, 28 + addi r6, 2 + lsli r6, 28 + addi r6, 0xe + cpwcr r6, cpcr31 .endm +.macro ANDI_R3 rx, imm + lsri \rx, 3 + andi \rx, (\imm >> 3) +.endm #endif /* __ASM_CSKY_ENTRY_H */ |