diff options
author | Taylor Simpson <tsimpson@quicinc.com> | 2021-04-08 20:07:50 -0500 |
---|---|---|
committer | Richard Henderson <richard.henderson@linaro.org> | 2021-05-01 16:01:39 -0700 |
commit | 46ef47e2a77d1a34996964760b4a0d2b19476f25 (patch) | |
tree | bb0979125a2c8e2865c8d11b2b888dfb7959906c | |
parent | 57d352ac298b27617a53783305af2554025060d9 (diff) | |
download | qemu-46ef47e2a77d1a34996964760b4a0d2b19476f25.zip qemu-46ef47e2a77d1a34996964760b4a0d2b19476f25.tar.gz qemu-46ef47e2a77d1a34996964760b4a0d2b19476f25.tar.bz2 |
Hexagon (target/hexagon) circular addressing
The following instructions are added
L2_loadrub_pci Rd32 = memub(Rx32++#s4:0:circ(Mu2))
L2_loadrb_pci Rd32 = memb(Rx32++#s4:0:circ(Mu2))
L2_loadruh_pci Rd32 = memuh(Rx32++#s4:1:circ(Mu2))
L2_loadrh_pci Rd32 = memh(Rx32++#s4:1:circ(Mu2))
L2_loadri_pci Rd32 = memw(Rx32++#s4:2:circ(Mu2))
L2_loadrd_pci Rdd32 = memd(Rx32++#s4:3:circ(Mu2))
S2_storerb_pci memb(Rx32++#s4:0:circ(Mu2)) = Rt32
S2_storerh_pci memh(Rx32++#s4:1:circ(Mu2)) = Rt32
S2_storerf_pci memh(Rx32++#s4:1:circ(Mu2)) = Rt.H32
S2_storeri_pci memw(Rx32++#s4:2:circ(Mu2)) = Rt32
S2_storerd_pci memd(Rx32++#s4:3:circ(Mu2)) = Rtt32
S2_storerbnew_pci memb(Rx32++#s4:0:circ(Mu2)) = Nt8.new
S2_storerhnew_pci memw(Rx32++#s4:1:circ(Mu2)) = Nt8.new
S2_storerinew_pci memw(Rx32++#s4:2:circ(Mu2)) = Nt8.new
L2_loadrub_pcr Rd32 = memub(Rx32++I:circ(Mu2))
L2_loadrb_pcr Rd32 = memb(Rx32++I:circ(Mu2))
L2_loadruh_pcr Rd32 = memuh(Rx32++I:circ(Mu2))
L2_loadrh_pcr Rd32 = memh(Rx32++I:circ(Mu2))
L2_loadri_pcr Rd32 = memw(Rx32++I:circ(Mu2))
L2_loadrd_pcr Rdd32 = memd(Rx32++I:circ(Mu2))
S2_storerb_pcr memb(Rx32++I:circ(Mu2)) = Rt32
S2_storerh_pcr memh(Rx32++I:circ(Mu2)) = Rt32
S2_storerf_pcr memh(Rx32++I:circ(Mu2)) = Rt32.H32
S2_storeri_pcr memw(Rx32++I:circ(Mu2)) = Rt32
S2_storerd_pcr memd(Rx32++I:circ(Mu2)) = Rtt32
S2_storerbnew_pcr memb(Rx32++I:circ(Mu2)) = Nt8.new
S2_storerhnew_pcr memh(Rx32++I:circ(Mu2)) = Nt8.new
S2_storerinew_pcr memw(Rx32++I:circ(Mu2)) = Nt8.new
Test cases in tests/tcg/hexagon/circ.c
Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1617930474-31979-23-git-send-email-tsimpson@quicinc.com>
[rth: Squash <1619667142-29636-1-git-send-email-tsimpson@quicinc.com>
removing gen_read_reg and gen_set_byte to avoid clang Werror.]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
-rw-r--r-- | target/hexagon/gen_tcg.h | 112 | ||||
-rw-r--r-- | target/hexagon/genptr.c | 89 | ||||
-rw-r--r-- | target/hexagon/imported/encode_pp.def | 10 | ||||
-rw-r--r-- | target/hexagon/imported/ldst.idef | 4 | ||||
-rwxr-xr-x | target/hexagon/imported/macros.def | 26 | ||||
-rw-r--r-- | target/hexagon/macros.h | 92 | ||||
-rw-r--r-- | target/hexagon/op_helper.c | 36 | ||||
-rw-r--r-- | tests/tcg/hexagon/Makefile.target | 2 | ||||
-rw-r--r-- | tests/tcg/hexagon/circ.c | 486 |
9 files changed, 834 insertions, 23 deletions
diff --git a/target/hexagon/gen_tcg.h b/target/hexagon/gen_tcg.h index 6bc578d..25c228c 100644 --- a/target/hexagon/gen_tcg.h +++ b/target/hexagon/gen_tcg.h @@ -38,6 +38,8 @@ * _ap absolute set r0 = memw(r1=##variable) * _pr post increment register r0 = memw(r1++m1) * _pi post increment immediate r0 = memb(r1++#1) + * _pci post increment circular immediate r0 = memw(r1++#4:circ(m0)) + * _pcr post increment circular register r0 = memw(r1++I:circ(m0)) */ /* Macros for complex addressing modes */ @@ -56,7 +58,22 @@ fEA_REG(RxV); \ fPM_I(RxV, siV); \ } while (0) - +#define GET_EA_pci \ + do { \ + TCGv tcgv_siV = tcg_const_tl(siV); \ + tcg_gen_mov_tl(EA, RxV); \ + gen_helper_fcircadd(RxV, RxV, tcgv_siV, MuV, \ + hex_gpr[HEX_REG_CS0 + MuN]); \ + tcg_temp_free(tcgv_siV); \ + } while (0) +#define GET_EA_pcr(SHIFT) \ + do { \ + TCGv ireg = tcg_temp_new(); \ + tcg_gen_mov_tl(EA, RxV); \ + gen_read_ireg(ireg, MuV, (SHIFT)); \ + gen_helper_fcircadd(RxV, RxV, ireg, MuV, hex_gpr[HEX_REG_CS0 + MuN]); \ + tcg_temp_free(ireg); \ + } while (0) /* Instructions with multiple definitions */ #define fGEN_TCG_LOAD_AP(RES, SIZE, SIGN) \ @@ -80,6 +97,36 @@ #define fGEN_TCG_L4_loadrd_ap(SHORTCODE) \ fGEN_TCG_LOAD_AP(RddV, 8, u) +#define fGEN_TCG_L2_loadrub_pci(SHORTCODE) SHORTCODE +#define fGEN_TCG_L2_loadrb_pci(SHORTCODE) SHORTCODE +#define fGEN_TCG_L2_loadruh_pci(SHORTCODE) SHORTCODE +#define fGEN_TCG_L2_loadrh_pci(SHORTCODE) SHORTCODE +#define fGEN_TCG_L2_loadri_pci(SHORTCODE) SHORTCODE +#define fGEN_TCG_L2_loadrd_pci(SHORTCODE) SHORTCODE + +#define fGEN_TCG_LOAD_pcr(SHIFT, LOAD) \ + do { \ + TCGv ireg = tcg_temp_new(); \ + tcg_gen_mov_tl(EA, RxV); \ + gen_read_ireg(ireg, MuV, SHIFT); \ + gen_helper_fcircadd(RxV, RxV, ireg, MuV, hex_gpr[HEX_REG_CS0 + MuN]); \ + LOAD; \ + tcg_temp_free(ireg); \ + } while (0) + +#define fGEN_TCG_L2_loadrub_pcr(SHORTCODE) \ + fGEN_TCG_LOAD_pcr(0, fLOAD(1, 1, u, EA, RdV)) +#define fGEN_TCG_L2_loadrb_pcr(SHORTCODE) \ + fGEN_TCG_LOAD_pcr(0, fLOAD(1, 1, s, EA, RdV)) +#define fGEN_TCG_L2_loadruh_pcr(SHORTCODE) \ + fGEN_TCG_LOAD_pcr(1, fLOAD(1, 2, u, EA, RdV)) +#define fGEN_TCG_L2_loadrh_pcr(SHORTCODE) \ + fGEN_TCG_LOAD_pcr(1, fLOAD(1, 2, s, EA, RdV)) +#define fGEN_TCG_L2_loadri_pcr(SHORTCODE) \ + fGEN_TCG_LOAD_pcr(2, fLOAD(1, 4, u, EA, RdV)) +#define fGEN_TCG_L2_loadrd_pcr(SHORTCODE) \ + fGEN_TCG_LOAD_pcr(3, fLOAD(1, 8, u, EA, RddV)) + #define fGEN_TCG_L2_loadrub_pr(SHORTCODE) SHORTCODE #define fGEN_TCG_L2_loadrub_pi(SHORTCODE) SHORTCODE #define fGEN_TCG_L2_loadrb_pr(SHORTCODE) SHORTCODE @@ -195,6 +242,69 @@ #define fGEN_TCG_S4_stored_locked(SHORTCODE) \ do { SHORTCODE; READ_PREG(PdV, PdN); } while (0) +#define fGEN_TCG_STORE(SHORTCODE) \ + do { \ + TCGv HALF = tcg_temp_new(); \ + TCGv BYTE = tcg_temp_new(); \ + SHORTCODE; \ + tcg_temp_free(HALF); \ + tcg_temp_free(BYTE); \ + } while (0) + +#define fGEN_TCG_STORE_pcr(SHIFT, STORE) \ + do { \ + TCGv ireg = tcg_temp_new(); \ + TCGv HALF = tcg_temp_new(); \ + TCGv BYTE = tcg_temp_new(); \ + tcg_gen_mov_tl(EA, RxV); \ + gen_read_ireg(ireg, MuV, SHIFT); \ + gen_helper_fcircadd(RxV, RxV, ireg, MuV, hex_gpr[HEX_REG_CS0 + MuN]); \ + STORE; \ + tcg_temp_free(ireg); \ + tcg_temp_free(HALF); \ + tcg_temp_free(BYTE); \ + } while (0) + +#define fGEN_TCG_S2_storerb_pci(SHORTCODE) \ + fGEN_TCG_STORE(SHORTCODE) +#define fGEN_TCG_S2_storerb_pcr(SHORTCODE) \ + fGEN_TCG_STORE_pcr(0, fSTORE(1, 1, EA, fGETBYTE(0, RtV))) + +#define fGEN_TCG_S2_storerh_pci(SHORTCODE) \ + fGEN_TCG_STORE(SHORTCODE) +#define fGEN_TCG_S2_storerh_pcr(SHORTCODE) \ + fGEN_TCG_STORE_pcr(1, fSTORE(1, 2, EA, fGETHALF(0, RtV))) + +#define fGEN_TCG_S2_storerf_pci(SHORTCODE) \ + fGEN_TCG_STORE(SHORTCODE) +#define fGEN_TCG_S2_storerf_pcr(SHORTCODE) \ + fGEN_TCG_STORE_pcr(1, fSTORE(1, 2, EA, fGETHALF(1, RtV))) + +#define fGEN_TCG_S2_storeri_pci(SHORTCODE) \ + fGEN_TCG_STORE(SHORTCODE) +#define fGEN_TCG_S2_storeri_pcr(SHORTCODE) \ + fGEN_TCG_STORE_pcr(2, fSTORE(1, 4, EA, RtV)) + +#define fGEN_TCG_S2_storerd_pci(SHORTCODE) \ + fGEN_TCG_STORE(SHORTCODE) +#define fGEN_TCG_S2_storerd_pcr(SHORTCODE) \ + fGEN_TCG_STORE_pcr(3, fSTORE(1, 8, EA, RttV)) + +#define fGEN_TCG_S2_storerbnew_pci(SHORTCODE) \ + fGEN_TCG_STORE(SHORTCODE) +#define fGEN_TCG_S2_storerbnew_pcr(SHORTCODE) \ + fGEN_TCG_STORE_pcr(0, fSTORE(1, 1, EA, fGETBYTE(0, NtN))) + +#define fGEN_TCG_S2_storerhnew_pci(SHORTCODE) \ + fGEN_TCG_STORE(SHORTCODE) +#define fGEN_TCG_S2_storerhnew_pcr(SHORTCODE) \ + fGEN_TCG_STORE_pcr(1, fSTORE(1, 2, EA, fGETHALF(0, NtN))) + +#define fGEN_TCG_S2_storerinew_pci(SHORTCODE) \ + fGEN_TCG_STORE(SHORTCODE) +#define fGEN_TCG_S2_storerinew_pcr(SHORTCODE) \ + fGEN_TCG_STORE_pcr(2, fSTORE(1, 4, EA, NtN)) + /* * Mathematical operations with more than one definition require * special handling diff --git a/target/hexagon/genptr.c b/target/hexagon/genptr.c index 333f7d7..c6928d6 100644 --- a/target/hexagon/genptr.c +++ b/target/hexagon/genptr.c @@ -266,6 +266,16 @@ static inline void gen_write_ctrl_reg_pair(DisasContext *ctx, int reg_num, } } +static TCGv gen_get_byte(TCGv result, int N, TCGv src, bool sign) +{ + if (sign) { + tcg_gen_sextract_tl(result, src, N * 8, 8); + } else { + tcg_gen_extract_tl(result, src, N * 8, 8); + } + return result; +} + static TCGv gen_get_byte_i64(TCGv result, int N, TCGv_i64 src, bool sign) { TCGv_i64 res64 = tcg_temp_new_i64(); @@ -280,6 +290,16 @@ static TCGv gen_get_byte_i64(TCGv result, int N, TCGv_i64 src, bool sign) return result; } +static inline TCGv gen_get_half(TCGv result, int N, TCGv src, bool sign) +{ + if (sign) { + tcg_gen_sextract_tl(result, src, N * 16, 16); + } else { + tcg_gen_extract_tl(result, src, N * 16, 16); + } + return result; +} + static void gen_set_byte_i64(int N, TCGv_i64 result, TCGv src) { TCGv_i64 src64 = tcg_temp_new_i64(); @@ -361,6 +381,75 @@ static inline void gen_store_conditional8(CPUHexagonState *env, tcg_gen_movi_tl(hex_llsc_addr, ~0); } +static inline void gen_store32(TCGv vaddr, TCGv src, int width, int slot) +{ + tcg_gen_mov_tl(hex_store_addr[slot], vaddr); + tcg_gen_movi_tl(hex_store_width[slot], width); + tcg_gen_mov_tl(hex_store_val32[slot], src); +} + +static inline void gen_store1(TCGv_env cpu_env, TCGv vaddr, TCGv src, + DisasContext *ctx, int slot) +{ + gen_store32(vaddr, src, 1, slot); + ctx->store_width[slot] = 1; +} + +static inline void gen_store1i(TCGv_env cpu_env, TCGv vaddr, int32_t src, + DisasContext *ctx, int slot) +{ + TCGv tmp = tcg_const_tl(src); + gen_store1(cpu_env, vaddr, tmp, ctx, slot); + tcg_temp_free(tmp); +} + +static inline void gen_store2(TCGv_env cpu_env, TCGv vaddr, TCGv src, + DisasContext *ctx, int slot) +{ + gen_store32(vaddr, src, 2, slot); + ctx->store_width[slot] = 2; +} + +static inline void gen_store2i(TCGv_env cpu_env, TCGv vaddr, int32_t src, + DisasContext *ctx, int slot) +{ + TCGv tmp = tcg_const_tl(src); + gen_store2(cpu_env, vaddr, tmp, ctx, slot); + tcg_temp_free(tmp); +} + +static inline void gen_store4(TCGv_env cpu_env, TCGv vaddr, TCGv src, + DisasContext *ctx, int slot) +{ + gen_store32(vaddr, src, 4, slot); + ctx->store_width[slot] = 4; +} + +static inline void gen_store4i(TCGv_env cpu_env, TCGv vaddr, int32_t src, + DisasContext *ctx, int slot) +{ + TCGv tmp = tcg_const_tl(src); + gen_store4(cpu_env, vaddr, tmp, ctx, slot); + tcg_temp_free(tmp); +} + +static inline void gen_store8(TCGv_env cpu_env, TCGv vaddr, TCGv_i64 src, + DisasContext *ctx, int slot) +{ + tcg_gen_mov_tl(hex_store_addr[slot], vaddr); + tcg_gen_movi_tl(hex_store_width[slot], 8); + tcg_gen_mov_i64(hex_store_val64[slot], src); + ctx->store_width[slot] = 8; +} + +static inline void gen_store8i(TCGv_env cpu_env, TCGv vaddr, int64_t src, + DisasContext *ctx, int slot) +{ + TCGv_i64 tmp = tcg_const_i64(src); + gen_store8(cpu_env, vaddr, tmp, ctx, slot); + tcg_temp_free_i64(tmp); +} + static TCGv gen_8bitsof(TCGv result, TCGv value) { TCGv zero = tcg_const_tl(0); diff --git a/target/hexagon/imported/encode_pp.def b/target/hexagon/imported/encode_pp.def index 514c240..68b435e 100644 --- a/target/hexagon/imported/encode_pp.def +++ b/target/hexagon/imported/encode_pp.def @@ -294,6 +294,7 @@ DEF_CLASS32(ICLASS_LD" ---- -------- PP------ --------",LD) DEF_CLASS32(ICLASS_LD" 0--- -------- PP------ --------",LD_ADDR_ROFFSET) +DEF_CLASS32(ICLASS_LD" 100- -------- PP----0- --------",LD_ADDR_POST_CIRC_IMMED) DEF_CLASS32(ICLASS_LD" 101- -------- PP00---- --------",LD_ADDR_POST_IMMED) DEF_CLASS32(ICLASS_LD" 101- -------- PP01---- --------",LD_ADDR_ABS_UPDATE_V4) DEF_CLASS32(ICLASS_LD" 101- -------- PP1----- --------",LD_ADDR_POST_IMMED_PRED_V2) @@ -308,18 +309,23 @@ DEF_FIELD32(ICLASS_LD" ---- --!----- PP------ --------",LD_UN,"Unsigned") #define STD_LD_ENC(TAG,OPC) \ DEF_ENC32(L2_load##TAG##_io, ICLASS_LD" 0 ii "OPC" sssss PPiiiiii iiiddddd")\ +DEF_ENC32(L2_load##TAG##_pci, ICLASS_LD" 1 00 "OPC" xxxxx PPu0--0i iiiddddd")\ DEF_ENC32(L2_load##TAG##_pi, ICLASS_LD" 1 01 "OPC" xxxxx PP00---i iiiddddd")\ DEF_ENC32(L4_load##TAG##_ap, ICLASS_LD" 1 01 "OPC" eeeee PP01IIII -IIddddd")\ DEF_ENC32(L2_load##TAG##_pr, ICLASS_LD" 1 10 "OPC" xxxxx PPu0---- 0--ddddd")\ DEF_ENC32(L4_load##TAG##_ur, ICLASS_LD" 1 10 "OPC" ttttt PPi1IIII iIIddddd")\ +DEF_ENC32(L2_load##TAG##_pcr, ICLASS_LD" 1 00 "OPC" xxxxx PPu0--1- 0--ddddd")\ #define STD_LDX_ENC(TAG,OPC) \ DEF_ENC32(L2_load##TAG##_io, ICLASS_LD" 0 ii "OPC" sssss PPiiiiii iiiyyyyy")\ +DEF_ENC32(L2_load##TAG##_pci, ICLASS_LD" 1 00 "OPC" xxxxx PPu0--0i iiiyyyyy")\ DEF_ENC32(L2_load##TAG##_pi, ICLASS_LD" 1 01 "OPC" xxxxx PP00---i iiiyyyyy")\ DEF_ENC32(L4_load##TAG##_ap, ICLASS_LD" 1 01 "OPC" eeeee PP01IIII -IIyyyyy")\ DEF_ENC32(L2_load##TAG##_pr, ICLASS_LD" 1 10 "OPC" xxxxx PPu0---- 0--yyyyy")\ DEF_ENC32(L4_load##TAG##_ur, ICLASS_LD" 1 10 "OPC" ttttt PPi1IIII iIIyyyyy")\ +DEF_ENC32(L2_load##TAG##_pcr, ICLASS_LD" 1 00 "OPC" xxxxx PPu0--1- 0--yyyyy")\ +DEF_ENC32(L2_load##TAG##_pbr, ICLASS_LD" 1 11 "OPC" xxxxx PPu0---- 0--yyyyy") #define STD_PLD_ENC(TAG,OPC) \ @@ -351,6 +357,7 @@ STD_PLD_ENC(rd, "1 110") /* note dest reg field LSB=0, 1 is reserved */ DEF_CLASS32( ICLASS_LD" 0--0 000----- PP------ --------",LD_MISC) DEF_ANTICLASS32(ICLASS_LD" 0--0 000----- PP------ --------",LD_ADDR_ROFFSET) +DEF_ANTICLASS32(ICLASS_LD" 1000 000----- PP------ --------",LD_ADDR_POST_CIRC_IMMED) DEF_ANTICLASS32(ICLASS_LD" 1010 000----- PP------ --------",LD_ADDR_POST_IMMED) DEF_ANTICLASS32(ICLASS_LD" 1100 000----- PP------ --------",LD_ADDR_POST_REG) DEF_ANTICLASS32(ICLASS_LD" 1110 000----- PP------ --------",LD_ADDR_POST_REG) @@ -397,6 +404,7 @@ DEF_FIELD32(ICLASS_ST" ---! !!------ PP------ --------",ST_Type,"Type") DEF_FIELD32(ICLASS_ST" ---- --!----- PP------ --------",ST_UN,"Unsigned") DEF_CLASS32(ICLASS_ST" 0--1 -------- PP------ --------",ST_ADDR_ROFFSET) +DEF_CLASS32(ICLASS_ST" 1001 -------- PP------ ------0-",ST_ADDR_POST_CIRC_IMMED) DEF_CLASS32(ICLASS_ST" 1011 -------- PP0----- 0-----0-",ST_ADDR_POST_IMMED) DEF_CLASS32(ICLASS_ST" 1011 -------- PP0----- 1-------",ST_ADDR_ABS_UPDATE_V4) DEF_CLASS32(ICLASS_ST" 1011 -------- PP1----- --------",ST_ADDR_POST_IMMED_PRED_V2) @@ -411,10 +419,12 @@ DEF_CLASS32(ICLASS_ST" 0--0 0------- PP------ --------",ST_MISC_CACHEOP) #define STD_ST_ENC(TAG,OPC,SRC) \ DEF_ENC32(S2_store##TAG##_io, ICLASS_ST" 0 ii "OPC" sssss PPi"SRC" iiiiiiii")\ +DEF_ENC32(S2_store##TAG##_pci, ICLASS_ST" 1 00 "OPC" xxxxx PPu"SRC" 0iiii-0-")\ DEF_ENC32(S2_store##TAG##_pi, ICLASS_ST" 1 01 "OPC" xxxxx PP0"SRC" 0iiii-0-")\ DEF_ENC32(S4_store##TAG##_ap, ICLASS_ST" 1 01 "OPC" eeeee PP0"SRC" 1-IIIIII")\ DEF_ENC32(S2_store##TAG##_pr, ICLASS_ST" 1 10 "OPC" xxxxx PPu"SRC" 0-------")\ DEF_ENC32(S4_store##TAG##_ur, ICLASS_ST" 1 10 "OPC" uuuuu PPi"SRC" 1iIIIIII")\ +DEF_ENC32(S2_store##TAG##_pcr, ICLASS_ST" 1 00 "OPC" xxxxx PPu"SRC" 0-----1-")\ #define STD_PST_ENC(TAG,OPC,SRC) \ diff --git a/target/hexagon/imported/ldst.idef b/target/hexagon/imported/ldst.idef index 78a2ea4..6ce0635 100644 --- a/target/hexagon/imported/ldst.idef +++ b/target/hexagon/imported/ldst.idef @@ -26,6 +26,8 @@ Q6INSN(L4_##TAG##_ur, OPER"(Rt32<<#u2+#U6)", ATTRIB,DESCR,{fMUST_IM Q6INSN(L4_##TAG##_ap, OPER"(Re32=#U6)", ATTRIB,DESCR,{fMUST_IMMEXT(UiV); fEA_IMM(UiV); SEMANTICS; ReV=UiV; })\ Q6INSN(L2_##TAG##_pr, OPER"(Rx32++Mu2)", ATTRIB,DESCR,{fEA_REG(RxV); fPM_M(RxV,MuV); SEMANTICS;})\ Q6INSN(L2_##TAG##_pi, OPER"(Rx32++#s4:"SHFT")", ATTRIB,DESCR,{fEA_REG(RxV); fPM_I(RxV,siV); SEMANTICS;})\ +Q6INSN(L2_##TAG##_pci, OPER"(Rx32++#s4:"SHFT":circ(Mu2))",ATTRIB,DESCR,{fEA_REG(RxV); fPM_CIRI(RxV,siV,MuV); SEMANTICS;})\ +Q6INSN(L2_##TAG##_pcr, OPER"(Rx32++I:circ(Mu2))", ATTRIB,DESCR,{fEA_REG(RxV); fPM_CIRR(RxV,fREAD_IREG(MuV)<<SCALE,MuV); SEMANTICS;}) /* The set of 32-bit load instructions */ STD_LD_AMODES(loadrub,"Rd32=memub","Load Unsigned Byte",ATTRIBS(A_LOAD),"0",fLOAD(1,1,u,EA,RdV),0) @@ -42,6 +44,8 @@ Q6INSN(S2_##TAG##_pi, OPER"(Rx32++#s4:"SHFT")="DEST, ATTRIB,DESCR,{fEA_REG( Q6INSN(S4_##TAG##_ap, OPER"(Re32=#U6)="DEST, ATTRIB,DESCR,{fMUST_IMMEXT(UiV); fEA_IMM(UiV); SEMANTICS; ReV=UiV; })\ Q6INSN(S2_##TAG##_pr, OPER"(Rx32++Mu2)="DEST, ATTRIB,DESCR,{fEA_REG(RxV); fPM_M(RxV,MuV); SEMANTICS; })\ Q6INSN(S4_##TAG##_ur, OPER"(Ru32<<#u2+#U6)="DEST, ATTRIB,DESCR,{fMUST_IMMEXT(UiV); fEA_IRs(UiV,RuV,uiV); SEMANTICS;})\ +Q6INSN(S2_##TAG##_pci, OPER"(Rx32++#s4:"SHFT":circ(Mu2))="DEST, ATTRIB,DESCR,{fEA_REG(RxV); fPM_CIRI(RxV,siV,MuV); SEMANTICS;})\ +Q6INSN(S2_##TAG##_pcr, OPER"(Rx32++I:circ(Mu2))="DEST, ATTRIB,DESCR,{fEA_REG(RxV); fPM_CIRR(RxV,fREAD_IREG(MuV)<<SCALE,MuV); SEMANTICS;}) /* The set of 32-bit store instructions */ diff --git a/target/hexagon/imported/macros.def b/target/hexagon/imported/macros.def index 65292c7..25f57b6 100755 --- a/target/hexagon/imported/macros.def +++ b/target/hexagon/imported/macros.def @@ -277,6 +277,12 @@ DEF_MACRO( /*************************************/ DEF_MACRO( + fREAD_IREG, /* read modifier register */ + (fSXTN(11,64,(((VAL) & 0xf0000000)>>21) | ((VAL>>17)&0x7f) )), /* behavior */ + () +) + +DEF_MACRO( fREAD_LR, /* read link register */ (READ_RREG(REG_LR)), /* behavior */ () @@ -307,6 +313,12 @@ DEF_MACRO( ) DEF_MACRO( + fREAD_CSREG, /* read CS register */ + (READ_RREG(REG_CSA+N)), /* behavior */ + () +) + +DEF_MACRO( fREAD_LC0, /* read loop count */ (READ_RREG(REG_LC0)), /* behavior */ () @@ -825,6 +837,20 @@ DEF_MACRO( ) DEF_MACRO( + fPM_CIRI, /* Post Modify Register using Circular arithmetic by Immediate */ + do { fcirc_add(REG,siV,MuV); } while (0), + () +) + +DEF_MACRO( + fPM_CIRR, /* Post Modify Register using Circular arithmetic by register */ + do { fcirc_add(REG,VAL,MuV); } while (0), + () +) + + + +DEF_MACRO( fSCALE, /* scale by N */ (((size8s_t)(A))<<N), /* optional attributes */ diff --git a/target/hexagon/macros.h b/target/hexagon/macros.h index 8cb211d..494ea8d 100644 --- a/target/hexagon/macros.h +++ b/target/hexagon/macros.h @@ -133,6 +133,38 @@ CHECK_NOSHUF; \ tcg_gen_qemu_ld64(DST, VA, ctx->mem_idx); \ } while (0) + +#define MEM_STORE1_FUNC(X) \ + __builtin_choose_expr(TYPE_INT(X), \ + gen_store1i, \ + __builtin_choose_expr(TYPE_TCGV(X), \ + gen_store1, (void)0)) +#define MEM_STORE1(VA, DATA, SLOT) \ + MEM_STORE1_FUNC(DATA)(cpu_env, VA, DATA, ctx, SLOT) + +#define MEM_STORE2_FUNC(X) \ + __builtin_choose_expr(TYPE_INT(X), \ + gen_store2i, \ + __builtin_choose_expr(TYPE_TCGV(X), \ + gen_store2, (void)0)) +#define MEM_STORE2(VA, DATA, SLOT) \ + MEM_STORE2_FUNC(DATA)(cpu_env, VA, DATA, ctx, SLOT) + +#define MEM_STORE4_FUNC(X) \ + __builtin_choose_expr(TYPE_INT(X), \ + gen_store4i, \ + __builtin_choose_expr(TYPE_TCGV(X), \ + gen_store4, (void)0)) +#define MEM_STORE4(VA, DATA, SLOT) \ + MEM_STORE4_FUNC(DATA)(cpu_env, VA, DATA, ctx, SLOT) + +#define MEM_STORE8_FUNC(X) \ + __builtin_choose_expr(TYPE_INT(X), \ + gen_store8i, \ + __builtin_choose_expr(TYPE_TCGV_I64(X), \ + gen_store8, (void)0)) +#define MEM_STORE8(VA, DATA, SLOT) \ + MEM_STORE8_FUNC(DATA)(cpu_env, VA, DATA, ctx, SLOT) #else #define MEM_LOAD1s(VA) ((int8_t)mem_load1(env, slot, VA)) #define MEM_LOAD1u(VA) ((uint8_t)mem_load1(env, slot, VA)) @@ -285,6 +317,39 @@ static inline void gen_logical_not(TCGv dest, TCGv src) #define fPCALIGN(IMM) IMM = (IMM & ~PCALIGN_MASK) +#ifdef QEMU_GENERATE +static inline TCGv gen_read_ireg(TCGv result, TCGv val, int shift) +{ + /* + * Section 2.2.4 of the Hexagon V67 Programmer's Reference Manual + * + * The "I" value from a modifier register is divided into two pieces + * LSB bits 23:17 + * MSB bits 31:28 + * The value is signed + * + * At the end we shift the result according to the shift argument + */ + TCGv msb = tcg_temp_new(); + TCGv lsb = tcg_temp_new(); + + tcg_gen_extract_tl(lsb, val, 17, 7); + tcg_gen_sari_tl(msb, val, 21); + tcg_gen_deposit_tl(result, msb, lsb, 0, 7); + + tcg_gen_shli_tl(result, result, shift); + + tcg_temp_free(msb); + tcg_temp_free(lsb); + + return result; +} +#define fREAD_IREG(VAL, SHIFT) gen_read_ireg(ireg, (VAL), (SHIFT)) +#else +#define fREAD_IREG(VAL) \ + (fSXTN(11, 64, (((VAL) & 0xf0000000) >> 21) | ((VAL >> 17) & 0x7f))) +#endif + #define fREAD_LR() (READ_REG(HEX_REG_LR)) #define fWRITE_LR(A) WRITE_RREG(HEX_REG_LR, A) @@ -418,6 +483,13 @@ static inline void gen_logical_not(TCGv dest, TCGv src) #define fEA_REG(REG) tcg_gen_mov_tl(EA, REG) #define fPM_I(REG, IMM) tcg_gen_addi_tl(REG, REG, IMM) #define fPM_M(REG, MVAL) tcg_gen_add_tl(REG, REG, MVAL) +#define fPM_CIRI(REG, IMM, MVAL) \ + do { \ + TCGv tcgv_siV = tcg_const_tl(siV); \ + gen_helper_fcircadd(REG, REG, tcgv_siV, MuV, \ + hex_gpr[HEX_REG_CS0 + MuN]); \ + tcg_temp_free(tcgv_siV); \ + } while (0) #else #define fEA_IMM(IMM) do { EA = (IMM); } while (0) #define fEA_REG(REG) do { EA = (REG); } while (0) @@ -494,23 +566,43 @@ static inline void gen_logical_not(TCGv dest, TCGv src) gen_load_locked##SIZE##SIGN(DST, EA, ctx->mem_idx); #endif +#ifdef QEMU_GENERATE +#define fSTORE(NUM, SIZE, EA, SRC) MEM_STORE##SIZE(EA, SRC, insn->slot) +#else #define fSTORE(NUM, SIZE, EA, SRC) MEM_STORE##SIZE(EA, SRC, slot) +#endif #ifdef QEMU_GENERATE #define fSTORE_LOCKED(NUM, SIZE, EA, SRC, PRED) \ gen_store_conditional##SIZE(env, ctx, PdN, PRED, EA, SRC); #endif +#ifdef QEMU_GENERATE +#define GETBYTE_FUNC(X) \ + __builtin_choose_expr(TYPE_TCGV(X), \ + gen_get_byte, \ + __builtin_choose_expr(TYPE_TCGV_I64(X), \ + gen_get_byte_i64, (void)0)) +#define fGETBYTE(N, SRC) GETBYTE_FUNC(SRC)(BYTE, N, SRC, true) +#define fGETUBYTE(N, SRC) GETBYTE_FUNC(SRC)(BYTE, N, SRC, false) +#else #define fGETBYTE(N, SRC) ((int8_t)((SRC >> ((N) * 8)) & 0xff)) #define fGETUBYTE(N, SRC) ((uint8_t)((SRC >> ((N) * 8)) & 0xff)) +#endif #define fSETBYTE(N, DST, VAL) \ do { \ DST = (DST & ~(0x0ffLL << ((N) * 8))) | \ (((uint64_t)((VAL) & 0x0ffLL)) << ((N) * 8)); \ } while (0) + +#ifdef QEMU_GENERATE +#define fGETHALF(N, SRC) gen_get_half(HALF, N, SRC, true) +#define fGETUHALF(N, SRC) gen_get_half(HALF, N, SRC, false) +#else #define fGETHALF(N, SRC) ((int16_t)((SRC >> ((N) * 16)) & 0xffff)) #define fGETUHALF(N, SRC) ((uint16_t)((SRC >> ((N) * 16)) & 0xffff)) +#endif #define fSETHALF(N, DST, VAL) \ do { \ DST = (DST & ~(0x0ffffLL << ((N) * 16))) | \ diff --git a/target/hexagon/op_helper.c b/target/hexagon/op_helper.c index f9fb655..2319b93 100644 --- a/target/hexagon/op_helper.c +++ b/target/hexagon/op_helper.c @@ -251,33 +251,25 @@ void HELPER(debug_commit_end)(CPUHexagonState *env, int has_st0, int has_st1) } -static int32_t fcircadd_v4(int32_t RxV, int32_t offset, int32_t M, int32_t CS) -{ - int32_t length = M & 0x0001ffff; - uint32_t new_ptr = RxV + offset; - uint32_t start_addr = CS; - uint32_t end_addr = start_addr + length; - - if (new_ptr >= end_addr) { - new_ptr -= length; - } else if (new_ptr < start_addr) { - new_ptr += length; - } - - return new_ptr; -} - int32_t HELPER(fcircadd)(int32_t RxV, int32_t offset, int32_t M, int32_t CS) { - int32_t K_const = (M >> 24) & 0xf; - int32_t length = M & 0x1ffff; - int32_t mask = (1 << (K_const + 2)) - 1; + int32_t K_const = sextract32(M, 24, 4); + int32_t length = sextract32(M, 0, 17); uint32_t new_ptr = RxV + offset; - uint32_t start_addr = RxV & (~mask); - uint32_t end_addr = start_addr | length; + uint32_t start_addr; + uint32_t end_addr; if (K_const == 0 && length >= 4) { - return fcircadd_v4(RxV, offset, M, CS); + start_addr = CS; + end_addr = start_addr + length; + } else { + /* + * Versions v3 and earlier used the K value to specify a power-of-2 size + * 2^(K+2) that is greater than the buffer length + */ + int32_t mask = (1 << (K_const + 2)) - 1; + start_addr = RxV & (~mask); + end_addr = start_addr | length; } if (new_ptr >= end_addr) { diff --git a/tests/tcg/hexagon/Makefile.target b/tests/tcg/hexagon/Makefile.target index 18218ad..15c7091 100644 --- a/tests/tcg/hexagon/Makefile.target +++ b/tests/tcg/hexagon/Makefile.target @@ -28,6 +28,7 @@ endif CFLAGS += -Wno-incompatible-pointer-types -Wno-undefined-internal +CFLAGS += -fno-unroll-loops HEX_SRC=$(SRC_PATH)/tests/tcg/hexagon VPATH += $(HEX_SRC) @@ -41,6 +42,7 @@ HEX_TESTS += preg_alias HEX_TESTS += dual_stores HEX_TESTS += multi_result HEX_TESTS += mem_noshuf +HEX_TESTS += circ HEX_TESTS += atomics HEX_TESTS += fpstuff diff --git a/tests/tcg/hexagon/circ.c b/tests/tcg/hexagon/circ.c new file mode 100644 index 0000000..67a1aa3 --- /dev/null +++ b/tests/tcg/hexagon/circ.c @@ -0,0 +1,486 @@ +/* + * Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <http://www.gnu.org/licenses/>. + */ + +#include <stdio.h> + +#define DEBUG 0 +#define DEBUG_PRINTF(...) \ + do { \ + if (DEBUG) { \ + printf(__VA_ARGS__); \ + } \ + } while (0) + + +#define NBYTES (1 << 8) +#define NHALFS (NBYTES / sizeof(short)) +#define NWORDS (NBYTES / sizeof(int)) +#define NDOBLS (NBYTES / sizeof(long long)) + +long long dbuf[NDOBLS] __attribute__((aligned(1 << 12))) = {0}; +int wbuf[NWORDS] __attribute__((aligned(1 << 12))) = {0}; +short hbuf[NHALFS] __attribute__((aligned(1 << 12))) = {0}; +unsigned char bbuf[NBYTES] __attribute__((aligned(1 << 12))) = {0}; + +/* + * We use the C preporcessor to deal with the combinations of types + */ + +#define INIT(BUF, N) \ + void init_##BUF(void) \ + { \ + int i; \ + for (i = 0; i < N; i++) { \ + BUF[i] = i; \ + } \ + } \ + +INIT(bbuf, NBYTES) +INIT(hbuf, NHALFS) +INIT(wbuf, NWORDS) +INIT(dbuf, NDOBLS) + +/* + * Macros for performing circular load + * RES result + * ADDR address + * START start address of buffer + * LEN length of buffer (in bytes) + * INC address increment (in bytes for IMM, elements for REG) + */ +#define CIRC_LOAD_IMM(SIZE, RES, ADDR, START, LEN, INC) \ + __asm__( \ + "r4 = %3\n\t" \ + "m0 = r4\n\t" \ + "cs0 = %2\n\t" \ + "%0 = mem" #SIZE "(%1++#" #INC ":circ(M0))\n\t" \ + : "=r"(RES), "+r"(ADDR) \ + : "r"(START), "r"(LEN) \ + : "r4", "m0", "cs0") +#define CIRC_LOAD_IMM_b(RES, ADDR, START, LEN, INC) \ + CIRC_LOAD_IMM(b, RES, ADDR, START, LEN, INC) +#define CIRC_LOAD_IMM_ub(RES, ADDR, START, LEN, INC) \ + CIRC_LOAD_IMM(ub, RES, ADDR, START, LEN, INC) +#define CIRC_LOAD_IMM_h(RES, ADDR, START, LEN, INC) \ + CIRC_LOAD_IMM(h, RES, ADDR, START, LEN, INC) +#define CIRC_LOAD_IMM_uh(RES, ADDR, START, LEN, INC) \ + CIRC_LOAD_IMM(uh, RES, ADDR, START, LEN, INC) +#define CIRC_LOAD_IMM_w(RES, ADDR, START, LEN, INC) \ + CIRC_LOAD_IMM(w, RES, ADDR, START, LEN, INC) +#define CIRC_LOAD_IMM_d(RES, ADDR, START, LEN, INC) \ + CIRC_LOAD_IMM(d, RES, ADDR, START, LEN, INC) + +/* + * The mreg has the following pieces + * mreg[31:28] increment[10:7] + * mreg[27:24] K value (used Hexagon v3 and earlier) + * mreg[23:17] increment[6:0] + * mreg[16:0] circular buffer length + */ +static int build_mreg(int inc, int K, int len) +{ + return ((inc & 0x780) << 21) | + ((K & 0xf) << 24) | + ((inc & 0x7f) << 17) | + (len & 0x1ffff); +} + +#define CIRC_LOAD_REG(SIZE, RES, ADDR, START, LEN, INC) \ + __asm__( \ + "r4 = %2\n\t" \ + "m1 = r4\n\t" \ + "cs1 = %3\n\t" \ + "%0 = mem" #SIZE "(%1++I:circ(M1))\n\t" \ + : "=r"(RES), "+r"(ADDR) \ + : "r"(build_mreg((INC), 0, (LEN))), \ + "r"(START) \ + : "r4", "m1", "cs1") +#define CIRC_LOAD_REG_b(RES, ADDR, START, LEN, INC) \ + CIRC_LOAD_REG(b, RES, ADDR, START, LEN, INC) +#define CIRC_LOAD_REG_ub(RES, ADDR, START, LEN, INC) \ + CIRC_LOAD_REG(ub, RES, ADDR, START, LEN, INC) +#define CIRC_LOAD_REG_h(RES, ADDR, START, LEN, INC) \ + CIRC_LOAD_REG(h, RES, ADDR, START, LEN, INC) +#define CIRC_LOAD_REG_uh(RES, ADDR, START, LEN, INC) \ + CIRC_LOAD_REG(uh, RES, ADDR, START, LEN, INC) +#define CIRC_LOAD_REG_w(RES, ADDR, START, LEN, INC) \ + CIRC_LOAD_REG(w, RES, ADDR, START, LEN, INC) +#define CIRC_LOAD_REG_d(RES, ADDR, START, LEN, INC) \ + CIRC_LOAD_REG(d, RES, ADDR, START, LEN, INC) + +/* + * Macros for performing circular store + * VAL value to store + * ADDR address + * START start address of buffer + * LEN length of buffer (in bytes) + * INC address increment (in bytes for IMM, elements for REG) + */ +#define CIRC_STORE_IMM(SIZE, PART, VAL, ADDR, START, LEN, INC) \ + __asm__( \ + "r4 = %3\n\t" \ + "m0 = r4\n\t" \ + "cs0 = %1\n\t" \ + "mem" #SIZE "(%0++#" #INC ":circ(M0)) = %2" PART "\n\t" \ + : "+r"(ADDR) \ + : "r"(START), "r"(VAL), "r"(LEN) \ + : "r4", "m0", "cs0", "memory") +#define CIRC_STORE_IMM_b(VAL, ADDR, START, LEN, INC) \ + CIRC_STORE_IMM(b, "", VAL, ADDR, START, LEN, INC) +#define CIRC_STORE_IMM_h(VAL, ADDR, START, LEN, INC) \ + CIRC_STORE_IMM(h, "", VAL, ADDR, START, LEN, INC) +#define CIRC_STORE_IMM_f(VAL, ADDR, START, LEN, INC) \ + CIRC_STORE_IMM(h, ".H", VAL, ADDR, START, LEN, INC) +#define CIRC_STORE_IMM_w(VAL, ADDR, START, LEN, INC) \ + CIRC_STORE_IMM(w, "", VAL, ADDR, START, LEN, INC) +#define CIRC_STORE_IMM_d(VAL, ADDR, START, LEN, INC) \ + CIRC_STORE_IMM(d, "", VAL, ADDR, START, LEN, INC) + +#define CIRC_STORE_NEW_IMM(SIZE, VAL, ADDR, START, LEN, INC) \ + __asm__( \ + "r4 = %3\n\t" \ + "m0 = r4\n\t" \ + "cs0 = %1\n\t" \ + "{\n\t" \ + " r5 = %2\n\t" \ + " mem" #SIZE "(%0++#" #INC ":circ(M0)) = r5.new\n\t" \ + "}\n\t" \ + : "+r"(ADDR) \ + : "r"(START), "r"(VAL), "r"(LEN) \ + : "r4", "r5", "m0", "cs0", "memory") +#define CIRC_STORE_IMM_bnew(VAL, ADDR, START, LEN, INC) \ + CIRC_STORE_NEW_IMM(b, VAL, ADDR, START, LEN, INC) +#define CIRC_STORE_IMM_hnew(VAL, ADDR, START, LEN, INC) \ + CIRC_STORE_NEW_IMM(h, VAL, ADDR, START, LEN, INC) +#define CIRC_STORE_IMM_wnew(VAL, ADDR, START, LEN, INC) \ + CIRC_STORE_NEW_IMM(w, VAL, ADDR, START, LEN, INC) + +#define CIRC_STORE_REG(SIZE, PART, VAL, ADDR, START, LEN, INC) \ + __asm__( \ + "r4 = %1\n\t" \ + "m1 = r4\n\t" \ + "cs1 = %2\n\t" \ + "mem" #SIZE "(%0++I:circ(M1)) = %3" PART "\n\t" \ + : "+r"(ADDR) \ + : "r"(build_mreg((INC), 0, (LEN))), \ + "r"(START), \ + "r"(VAL) \ + : "r4", "m1", "cs1", "memory") +#define CIRC_STORE_REG_b(VAL, ADDR, START, LEN, INC) \ + CIRC_STORE_REG(b, "", VAL, ADDR, START, LEN, INC) +#define CIRC_STORE_REG_h(VAL, ADDR, START, LEN, INC) \ + CIRC_STORE_REG(h, "", VAL, ADDR, START, LEN, INC) +#define CIRC_STORE_REG_f(VAL, ADDR, START, LEN, INC) \ + CIRC_STORE_REG(h, ".H", VAL, ADDR, START, LEN, INC) +#define CIRC_STORE_REG_w(VAL, ADDR, START, LEN, INC) \ + CIRC_STORE_REG(w, "", VAL, ADDR, START, LEN, INC) +#define CIRC_STORE_REG_d(VAL, ADDR, START, LEN, INC) \ + CIRC_STORE_REG(d, "", VAL, ADDR, START, LEN, INC) + +#define CIRC_STORE_NEW_REG(SIZE, VAL, ADDR, START, LEN, INC) \ + __asm__( \ + "r4 = %1\n\t" \ + "m1 = r4\n\t" \ + "cs1 = %2\n\t" \ + "{\n\t" \ + " r5 = %3\n\t" \ + " mem" #SIZE "(%0++I:circ(M1)) = r5.new\n\t" \ + "}\n\t" \ + : "+r"(ADDR) \ + : "r"(build_mreg((INC), 0, (LEN))), \ + "r"(START), \ + "r"(VAL) \ + : "r4", "r5", "m1", "cs1", "memory") +#define CIRC_STORE_REG_bnew(VAL, ADDR, START, LEN, INC) \ + CIRC_STORE_NEW_REG(b, VAL, ADDR, START, LEN, INC) +#define CIRC_STORE_REG_hnew(VAL, ADDR, START, LEN, INC) \ + CIRC_STORE_NEW_REG(h, VAL, ADDR, START, LEN, INC) +#define CIRC_STORE_REG_wnew(VAL, ADDR, START, LEN, INC) \ + CIRC_STORE_NEW_REG(w, VAL, ADDR, START, LEN, INC) + + +int err; + +/* We'll test increments +1 and -1 */ +void check_load(int i, long long result, int inc, int size) +{ + int expect = (i * inc); + while (expect >= size) { + expect -= size; + } + while (expect < 0) { + expect += size; + } + if (result != expect) { + printf("ERROR(%d): %lld != %d\n", i, result, expect); + err++; + } +} + +#define TEST_LOAD_IMM(SZ, TYPE, BUF, BUFSIZE, INC, FMT) \ +void circ_test_load_imm_##SZ(void) \ +{ \ + TYPE *p = (TYPE *)BUF; \ + int size = 10; \ + int i; \ + for (i = 0; i < BUFSIZE; i++) { \ + TYPE element; \ + CIRC_LOAD_IMM_##SZ(element, p, BUF, size * sizeof(TYPE), (INC)); \ + DEBUG_PRINTF("i = %2d, p = 0x%p, element = %2" #FMT "\n", \ + i, p, element); \ + check_load(i, element, ((INC) / (int)sizeof(TYPE)), size); \ + } \ + p = (TYPE *)BUF; \ + for (i = 0; i < BUFSIZE; i++) { \ + TYPE element; \ + CIRC_LOAD_IMM_##SZ(element, p, BUF, size * sizeof(TYPE), -(INC)); \ + DEBUG_PRINTF("i = %2d, p = 0x%p, element = %2" #FMT "\n", \ + i, p, element); \ + check_load(i, element, (-(INC) / (int)sizeof(TYPE)), size); \ + } \ +} + +TEST_LOAD_IMM(b, char, bbuf, NBYTES, 1, d) +TEST_LOAD_IMM(ub, unsigned char, bbuf, NBYTES, 1, d) +TEST_LOAD_IMM(h, short, hbuf, NHALFS, 2, d) +TEST_LOAD_IMM(uh, unsigned short, hbuf, NHALFS, 2, d) +TEST_LOAD_IMM(w, int, wbuf, NWORDS, 4, d) +TEST_LOAD_IMM(d, long long, dbuf, NDOBLS, 8, lld) + +#define TEST_LOAD_REG(SZ, TYPE, BUF, BUFSIZE, FMT) \ +void circ_test_load_reg_##SZ(void) \ +{ \ + TYPE *p = (TYPE *)BUF; \ + int size = 13; \ + int i; \ + for (i = 0; i < BUFSIZE; i++) { \ + TYPE element; \ + CIRC_LOAD_REG_##SZ(element, p, BUF, size * sizeof(TYPE), 1); \ + DEBUG_PRINTF("i = %2d, p = 0x%p, element = %2" #FMT "\n", \ + i, p, element); \ + check_load(i, element, 1, size); \ + } \ + p = (TYPE *)BUF; \ + for (i = 0; i < BUFSIZE; i++) { \ + TYPE element; \ + CIRC_LOAD_REG_##SZ(element, p, BUF, size * sizeof(TYPE), -1); \ + DEBUG_PRINTF("i = %2d, p = 0x%p, element = %2" #FMT "\n", \ + i, p, element); \ + check_load(i, element, -1, size); \ + } \ +} + +TEST_LOAD_REG(b, char, bbuf, NBYTES, d) +TEST_LOAD_REG(ub, unsigned char, bbuf, NBYTES, d) +TEST_LOAD_REG(h, short, hbuf, NHALFS, d) +TEST_LOAD_REG(uh, unsigned short, hbuf, NHALFS, d) +TEST_LOAD_REG(w, int, wbuf, NWORDS, d) +TEST_LOAD_REG(d, long long, dbuf, NDOBLS, lld) + +/* The circular stores will wrap around somewhere inside the buffer */ +#define CIRC_VAL(SZ, TYPE, BUFSIZE) \ +TYPE circ_val_##SZ(int i, int inc, int size) \ +{ \ + int mod = BUFSIZE % size; \ + int elem = i * inc; \ + if (elem < 0) { \ + if (-elem <= size - mod) { \ + return (elem + BUFSIZE - mod); \ + } else { \ + return (elem + BUFSIZE + size - mod); \ + } \ + } else if (elem < mod) {\ + return (elem + BUFSIZE - mod); \ + } else { \ + return (elem + BUFSIZE - size - mod); \ + } \ +} + +CIRC_VAL(b, unsigned char, NBYTES) +CIRC_VAL(h, short, NHALFS) +CIRC_VAL(w, int, NWORDS) +CIRC_VAL(d, long long, NDOBLS) + +/* + * Circular stores should only write to the first "size" elements of the buffer + * the remainder of the elements should have BUF[i] == i + */ +#define CHECK_STORE(SZ, BUF, BUFSIZE, FMT) \ +void check_store_##SZ(int inc, int size) \ +{ \ + int i; \ + for (i = 0; i < size; i++) { \ + DEBUG_PRINTF(#BUF "[%3d] = 0x%02" #FMT ", guess = 0x%02" #FMT "\n", \ + i, BUF[i], circ_val_##SZ(i, inc, size)); \ + if (BUF[i] != circ_val_##SZ(i, inc, size)) { \ + printf("ERROR(%3d): 0x%02" #FMT " != 0x%02" #FMT "\n", \ + i, BUF[i], circ_val_##SZ(i, inc, size)); \ + err++; \ + } \ + } \ + for (i = size; i < BUFSIZE; i++) { \ + if (BUF[i] != i) { \ + printf("ERROR(%3d): 0x%02" #FMT " != 0x%02x\n", i, BUF[i], i); \ + err++; \ + } \ + } \ +} + +CHECK_STORE(b, bbuf, NBYTES, x) +CHECK_STORE(h, hbuf, NHALFS, x) +CHECK_STORE(w, wbuf, NWORDS, x) +CHECK_STORE(d, dbuf, NDOBLS, llx) + +#define CIRC_TEST_STORE_IMM(SZ, CHK, TYPE, BUF, BUFSIZE, SHIFT, INC) \ +void circ_test_store_imm_##SZ(void) \ +{ \ + unsigned int size = 27; \ + TYPE *p = BUF; \ + TYPE val = 0; \ + int i; \ + init_##BUF(); \ + for (i = 0; i < BUFSIZE; i++) { \ + CIRC_STORE_IMM_##SZ(val << SHIFT, p, BUF, size * sizeof(TYPE), INC); \ + val++; \ + } \ + check_store_##CHK(((INC) / (int)sizeof(TYPE)), size); \ + p = BUF; \ + val = 0; \ + init_##BUF(); \ + for (i = 0; i < BUFSIZE; i++) { \ + CIRC_STORE_IMM_##SZ(val << SHIFT, p, BUF, size * sizeof(TYPE), \ + -(INC)); \ + val++; \ + } \ + check_store_##CHK((-(INC) / (int)sizeof(TYPE)), size); \ +} + +CIRC_TEST_STORE_IMM(b, b, unsigned char, bbuf, NBYTES, 0, 1) +CIRC_TEST_STORE_IMM(h, h, short, hbuf, NHALFS, 0, 2) +CIRC_TEST_STORE_IMM(f, h, short, hbuf, NHALFS, 16, 2) +CIRC_TEST_STORE_IMM(w, w, int, wbuf, NWORDS, 0, 4) +CIRC_TEST_STORE_IMM(d, d, long long, dbuf, NDOBLS, 0, 8) +CIRC_TEST_STORE_IMM(bnew, b, unsigned char, bbuf, NBYTES, 0, 1) +CIRC_TEST_STORE_IMM(hnew, h, short, hbuf, NHALFS, 0, 2) +CIRC_TEST_STORE_IMM(wnew, w, int, wbuf, NWORDS, 0, 4) + +#define CIRC_TEST_STORE_REG(SZ, CHK, TYPE, BUF, BUFSIZE, SHIFT) \ +void circ_test_store_reg_##SZ(void) \ +{ \ + TYPE *p = BUF; \ + unsigned int size = 19; \ + TYPE val = 0; \ + int i; \ + init_##BUF(); \ + for (i = 0; i < BUFSIZE; i++) { \ + CIRC_STORE_REG_##SZ(val << SHIFT, p, BUF, size * sizeof(TYPE), 1); \ + val++; \ + } \ + check_store_##CHK(1, size); \ + p = BUF; \ + val = 0; \ + init_##BUF(); \ + for (i = 0; i < BUFSIZE; i++) { \ + CIRC_STORE_REG_##SZ(val << SHIFT, p, BUF, size * sizeof(TYPE), -1); \ + val++; \ + } \ + check_store_##CHK(-1, size); \ +} + +CIRC_TEST_STORE_REG(b, b, unsigned char, bbuf, NBYTES, 0) +CIRC_TEST_STORE_REG(h, h, short, hbuf, NHALFS, 0) +CIRC_TEST_STORE_REG(f, h, short, hbuf, NHALFS, 16) +CIRC_TEST_STORE_REG(w, w, int, wbuf, NWORDS, 0) +CIRC_TEST_STORE_REG(d, d, long long, dbuf, NDOBLS, 0) +CIRC_TEST_STORE_REG(bnew, b, unsigned char, bbuf, NBYTES, 0) +CIRC_TEST_STORE_REG(hnew, h, short, hbuf, NHALFS, 0) +CIRC_TEST_STORE_REG(wnew, w, int, wbuf, NWORDS, 0) + +/* Test the old scheme used in Hexagon V3 */ +static void circ_test_v3(void) +{ + int *p = wbuf; + int size = 15; + int K = 4; /* 64 bytes */ + int element; + int i; + + init_wbuf(); + + for (i = 0; i < NWORDS; i++) { + __asm__( + "r4 = %2\n\t" + "m1 = r4\n\t" + "%0 = memw(%1++I:circ(M1))\n\t" + : "=r"(element), "+r"(p) + : "r"(build_mreg(1, K, size * sizeof(int))) + : "r4", "m1"); + DEBUG_PRINTF("i = %2d, p = 0x%p, element = %2d\n", i, p, element); + check_load(i, element, 1, size); + } +} + +int main() +{ + init_bbuf(); + init_hbuf(); + init_wbuf(); + init_dbuf(); + + DEBUG_PRINTF("NBYTES = %d\n", NBYTES); + DEBUG_PRINTF("Address of dbuf = 0x%p\n", dbuf); + DEBUG_PRINTF("Address of wbuf = 0x%p\n", wbuf); + DEBUG_PRINTF("Address of hbuf = 0x%p\n", hbuf); + DEBUG_PRINTF("Address of bbuf = 0x%p\n", bbuf); + + circ_test_load_imm_b(); + circ_test_load_imm_ub(); + circ_test_load_imm_h(); + circ_test_load_imm_uh(); + circ_test_load_imm_w(); + circ_test_load_imm_d(); + + circ_test_load_reg_b(); + circ_test_load_reg_ub(); + circ_test_load_reg_h(); + circ_test_load_reg_uh(); + circ_test_load_reg_w(); + circ_test_load_reg_d(); + + circ_test_store_imm_b(); + circ_test_store_imm_h(); + circ_test_store_imm_f(); + circ_test_store_imm_w(); + circ_test_store_imm_d(); + circ_test_store_imm_bnew(); + circ_test_store_imm_hnew(); + circ_test_store_imm_wnew(); + + circ_test_store_reg_b(); + circ_test_store_reg_h(); + circ_test_store_reg_f(); + circ_test_store_reg_w(); + circ_test_store_reg_d(); + circ_test_store_reg_bnew(); + circ_test_store_reg_hnew(); + circ_test_store_reg_wnew(); + + circ_test_v3(); + + puts(err ? "FAIL" : "PASS"); + return err ? 1 : 0; +} |