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authorAlexey Baturo <baturo.alexey@gmail.com>2025-01-13 22:44:09 +0300
committerAlistair Francis <alistair.francis@wdc.com>2025-01-19 09:44:35 +1000
commit941f76e2930c2d57e22692e4163d8797529d0491 (patch)
treee26273203cbdac2ced0dbcdfcabce99c282ef401
parentfa622855eaaca8b543e19cf7ba8ab0304a1e4b84 (diff)
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target/riscv: Support Supm and Sspm as part of Zjpm v1.0
The Zjpm v1.0 spec states there should be Supm and Sspm extensions that are used in profile specification. Enabling Supm extension enables both Ssnpm and Smnpm, while Sspm enables only Smnpm. Signed-off-by: Alexey Baturo <baturo.alexey@gmail.com> Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com> Message-ID: <20250113194410.1307494-1-baturo.alexey@gmail.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
-rw-r--r--target/riscv/cpu.c23
-rw-r--r--target/riscv/cpu_cfg.h2
2 files changed, 25 insertions, 0 deletions
diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index bddf1ba..3d4bd15 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -208,10 +208,12 @@ const RISCVIsaExtData isa_edata_arr[] = {
ISA_EXT_DATA_ENTRY(sscsrind, PRIV_VERSION_1_12_0, ext_sscsrind),
ISA_EXT_DATA_ENTRY(ssdbltrp, PRIV_VERSION_1_13_0, ext_ssdbltrp),
ISA_EXT_DATA_ENTRY(ssnpm, PRIV_VERSION_1_13_0, ext_ssnpm),
+ ISA_EXT_DATA_ENTRY(sspm, PRIV_VERSION_1_13_0, ext_sspm),
ISA_EXT_DATA_ENTRY(ssstateen, PRIV_VERSION_1_12_0, ext_ssstateen),
ISA_EXT_DATA_ENTRY(sstc, PRIV_VERSION_1_12_0, ext_sstc),
ISA_EXT_DATA_ENTRY(sstvala, PRIV_VERSION_1_12_0, has_priv_1_12),
ISA_EXT_DATA_ENTRY(sstvecd, PRIV_VERSION_1_12_0, has_priv_1_12),
+ ISA_EXT_DATA_ENTRY(supm, PRIV_VERSION_1_13_0, ext_supm),
ISA_EXT_DATA_ENTRY(svade, PRIV_VERSION_1_11_0, ext_svade),
ISA_EXT_DATA_ENTRY(svadu, PRIV_VERSION_1_12_0, ext_svadu),
ISA_EXT_DATA_ENTRY(svinval, PRIV_VERSION_1_12_0, ext_svinval),
@@ -1625,6 +1627,8 @@ const RISCVCPUMultiExtConfig riscv_cpu_extensions[] = {
MULTI_EXT_CFG_BOOL("zvfhmin", ext_zvfhmin, false),
MULTI_EXT_CFG_BOOL("sstc", ext_sstc, true),
MULTI_EXT_CFG_BOOL("ssnpm", ext_ssnpm, false),
+ MULTI_EXT_CFG_BOOL("sspm", ext_sspm, false),
+ MULTI_EXT_CFG_BOOL("supm", ext_supm, false),
MULTI_EXT_CFG_BOOL("smaia", ext_smaia, false),
MULTI_EXT_CFG_BOOL("smdbltrp", ext_smdbltrp, false),
@@ -2781,6 +2785,24 @@ static RISCVCPUImpliedExtsRule SSCFG_IMPLIED = {
},
};
+static RISCVCPUImpliedExtsRule SUPM_IMPLIED = {
+ .ext = CPU_CFG_OFFSET(ext_supm),
+ .implied_multi_exts = {
+ CPU_CFG_OFFSET(ext_ssnpm), CPU_CFG_OFFSET(ext_smnpm),
+
+ RISCV_IMPLIED_EXTS_RULE_END
+ },
+};
+
+static RISCVCPUImpliedExtsRule SSPM_IMPLIED = {
+ .ext = CPU_CFG_OFFSET(ext_sspm),
+ .implied_multi_exts = {
+ CPU_CFG_OFFSET(ext_smnpm),
+
+ RISCV_IMPLIED_EXTS_RULE_END
+ },
+};
+
RISCVCPUImpliedExtsRule *riscv_misa_ext_implied_rules[] = {
&RVA_IMPLIED, &RVD_IMPLIED, &RVF_IMPLIED,
&RVM_IMPLIED, &RVV_IMPLIED, NULL
@@ -2799,6 +2821,7 @@ RISCVCPUImpliedExtsRule *riscv_multi_ext_implied_rules[] = {
&ZVFH_IMPLIED, &ZVFHMIN_IMPLIED, &ZVKN_IMPLIED,
&ZVKNC_IMPLIED, &ZVKNG_IMPLIED, &ZVKNHB_IMPLIED,
&ZVKS_IMPLIED, &ZVKSC_IMPLIED, &ZVKSG_IMPLIED, &SSCFG_IMPLIED,
+ &SUPM_IMPLIED, &SSPM_IMPLIED,
NULL
};
diff --git a/target/riscv/cpu_cfg.h b/target/riscv/cpu_cfg.h
index aef896b..b410b1e 100644
--- a/target/riscv/cpu_cfg.h
+++ b/target/riscv/cpu_cfg.h
@@ -139,6 +139,8 @@ struct RISCVCPUConfig {
bool ext_ssnpm;
bool ext_smnpm;
bool ext_smmpm;
+ bool ext_sspm;
+ bool ext_supm;
bool rvv_ta_all_1s;
bool rvv_ma_all_1s;
bool rvv_vl_half_avl;