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author | Dave Airlie <airlied@redhat.com> | 2015-04-20 11:32:26 +1000 |
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committer | Dave Airlie <airlied@redhat.com> | 2015-04-20 13:05:20 +1000 |
commit | 2c33ce009ca2389dbf0535d0672214d09738e35e (patch) | |
tree | 6186a6458c3c160385d794a23eaf07c786a9e61b /arch/powerpc/net/bpf_jit.h | |
parent | cec32a47010647e8b0603726ebb75b990a4057a4 (diff) | |
parent | 09d51602cf84a1264946711dd4ea0dddbac599a1 (diff) | |
download | linux-stable-2c33ce009ca2389dbf0535d0672214d09738e35e.tar.gz linux-stable-2c33ce009ca2389dbf0535d0672214d09738e35e.tar.bz2 linux-stable-2c33ce009ca2389dbf0535d0672214d09738e35e.zip |
Merge Linus master into drm-next
The merge is clean, but the arm build fails afterwards,
due to API changes in the regulator tree.
I've included the patch into the merge to fix the build.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'arch/powerpc/net/bpf_jit.h')
-rw-r--r-- | arch/powerpc/net/bpf_jit.h | 64 |
1 files changed, 63 insertions, 1 deletions
diff --git a/arch/powerpc/net/bpf_jit.h b/arch/powerpc/net/bpf_jit.h index c406aa95b2bc..889fd199a821 100644 --- a/arch/powerpc/net/bpf_jit.h +++ b/arch/powerpc/net/bpf_jit.h @@ -10,12 +10,25 @@ #ifndef _BPF_JIT_H #define _BPF_JIT_H +#ifdef CONFIG_PPC64 +#define BPF_PPC_STACK_R3_OFF 48 #define BPF_PPC_STACK_LOCALS 32 #define BPF_PPC_STACK_BASIC (48+64) #define BPF_PPC_STACK_SAVE (18*8) #define BPF_PPC_STACKFRAME (BPF_PPC_STACK_BASIC+BPF_PPC_STACK_LOCALS+ \ BPF_PPC_STACK_SAVE) #define BPF_PPC_SLOWPATH_FRAME (48+64) +#else +#define BPF_PPC_STACK_R3_OFF 24 +#define BPF_PPC_STACK_LOCALS 16 +#define BPF_PPC_STACK_BASIC (24+32) +#define BPF_PPC_STACK_SAVE (18*4) +#define BPF_PPC_STACKFRAME (BPF_PPC_STACK_BASIC+BPF_PPC_STACK_LOCALS+ \ + BPF_PPC_STACK_SAVE) +#define BPF_PPC_SLOWPATH_FRAME (24+32) +#endif + +#define REG_SZ (BITS_PER_LONG/8) /* * Generated code register usage: @@ -57,7 +70,11 @@ DECLARE_LOAD_FUNC(sk_load_half); DECLARE_LOAD_FUNC(sk_load_byte); DECLARE_LOAD_FUNC(sk_load_byte_msh); +#ifdef CONFIG_PPC64 #define FUNCTION_DESCR_SIZE 24 +#else +#define FUNCTION_DESCR_SIZE 0 +#endif /* * 16-bit immediate helper macros: HA() is for use with sign-extending instrs @@ -86,7 +103,12 @@ DECLARE_LOAD_FUNC(sk_load_byte_msh); #define PPC_LIS(r, i) PPC_ADDIS(r, 0, i) #define PPC_STD(r, base, i) EMIT(PPC_INST_STD | ___PPC_RS(r) | \ ___PPC_RA(base) | ((i) & 0xfffc)) - +#define PPC_STDU(r, base, i) EMIT(PPC_INST_STDU | ___PPC_RS(r) | \ + ___PPC_RA(base) | ((i) & 0xfffc)) +#define PPC_STW(r, base, i) EMIT(PPC_INST_STW | ___PPC_RS(r) | \ + ___PPC_RA(base) | ((i) & 0xfffc)) +#define PPC_STWU(r, base, i) EMIT(PPC_INST_STWU | ___PPC_RS(r) | \ + ___PPC_RA(base) | ((i) & 0xfffc)) #define PPC_LBZ(r, base, i) EMIT(PPC_INST_LBZ | ___PPC_RT(r) | \ ___PPC_RA(base) | IMM_L(i)) @@ -98,6 +120,17 @@ DECLARE_LOAD_FUNC(sk_load_byte_msh); ___PPC_RA(base) | IMM_L(i)) #define PPC_LHBRX(r, base, b) EMIT(PPC_INST_LHBRX | ___PPC_RT(r) | \ ___PPC_RA(base) | ___PPC_RB(b)) + +#ifdef CONFIG_PPC64 +#define PPC_BPF_LL(r, base, i) do { PPC_LD(r, base, i); } while(0) +#define PPC_BPF_STL(r, base, i) do { PPC_STD(r, base, i); } while(0) +#define PPC_BPF_STLU(r, base, i) do { PPC_STDU(r, base, i); } while(0) +#else +#define PPC_BPF_LL(r, base, i) do { PPC_LWZ(r, base, i); } while(0) +#define PPC_BPF_STL(r, base, i) do { PPC_STW(r, base, i); } while(0) +#define PPC_BPF_STLU(r, base, i) do { PPC_STWU(r, base, i); } while(0) +#endif + /* Convenience helpers for the above with 'far' offsets: */ #define PPC_LBZ_OFFS(r, base, i) do { if ((i) < 32768) PPC_LBZ(r, base, i); \ else { PPC_ADDIS(r, base, IMM_HA(i)); \ @@ -115,6 +148,29 @@ DECLARE_LOAD_FUNC(sk_load_byte_msh); else { PPC_ADDIS(r, base, IMM_HA(i)); \ PPC_LHZ(r, r, IMM_L(i)); } } while(0) +#ifdef CONFIG_PPC64 +#define PPC_LL_OFFS(r, base, i) do { PPC_LD_OFFS(r, base, i); } while(0) +#else +#define PPC_LL_OFFS(r, base, i) do { PPC_LWZ_OFFS(r, base, i); } while(0) +#endif + +#ifdef CONFIG_SMP +#ifdef CONFIG_PPC64 +#define PPC_BPF_LOAD_CPU(r) \ + do { BUILD_BUG_ON(FIELD_SIZEOF(struct paca_struct, paca_index) != 2); \ + PPC_LHZ_OFFS(r, 13, offsetof(struct paca_struct, paca_index)); \ + } while (0) +#else +#define PPC_BPF_LOAD_CPU(r) \ + do { BUILD_BUG_ON(FIELD_SIZEOF(struct thread_info, cpu) != 4); \ + PPC_LHZ_OFFS(r, (1 & ~(THREAD_SIZE - 1)), \ + offsetof(struct thread_info, cpu)); \ + } while(0) +#endif +#else +#define PPC_BPF_LOAD_CPU(r) do { PPC_LI(r, 0); } while(0) +#endif + #define PPC_CMPWI(a, i) EMIT(PPC_INST_CMPWI | ___PPC_RA(a) | IMM_L(i)) #define PPC_CMPDI(a, i) EMIT(PPC_INST_CMPDI | ___PPC_RA(a) | IMM_L(i)) #define PPC_CMPLWI(a, i) EMIT(PPC_INST_CMPLWI | ___PPC_RA(a) | IMM_L(i)) @@ -196,6 +252,12 @@ DECLARE_LOAD_FUNC(sk_load_byte_msh); PPC_ORI(d, d, (uintptr_t)(i) & 0xffff); \ } } while (0); +#ifdef CONFIG_PPC64 +#define PPC_FUNC_ADDR(d,i) do { PPC_LI64(d, i); } while(0) +#else +#define PPC_FUNC_ADDR(d,i) do { PPC_LI32(d, i); } while(0) +#endif + #define PPC_LHBRX_OFFS(r, base, i) \ do { PPC_LI32(r, i); PPC_LHBRX(r, r, base); } while(0) #ifdef __LITTLE_ENDIAN__ |