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envelope-from=prvs=761afde0a=Anup.Patel@wdc.com; helo=esa4.hgst.iphmx.com X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Atish Patra , Anup Patel , qemu-riscv@nongnu.org, qemu-devel@nongnu.org, Anup Patel Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" The RISC-V AIA specification extends RISC-V local interrupts and introduces new CSRs. This patch adds defines for the new AIA local interrupt CSRs. Signed-off-by: Anup Patel Reviewed-by: Alistair Francis --- target/riscv/cpu_bits.h | 128 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 128 insertions(+) diff --git a/target/riscv/cpu_bits.h b/target/riscv/cpu_bits.h index caf4599207..d23242655e 100644 --- a/target/riscv/cpu_bits.h +++ b/target/riscv/cpu_bits.h @@ -169,6 +169,31 @@ /* Legacy Machine Trap Handling (priv v1.9.1) */ #define CSR_MBADADDR 0x343 +/* Machine-Level Window to Indirectly Accessed Registers (AIA) */ +#define CSR_MISELECT 0x350 +#define CSR_MIREG 0x351 + +/* Machine-Level Interrupts (AIA) */ +#define CSR_MTOPI 0xfb0 + +/* Machine-Level IMSIC Interface (AIA) */ +#define CSR_MSETEIPNUM 0x358 +#define CSR_MCLREIPNUM 0x359 +#define CSR_MSETEIENUM 0x35a +#define CSR_MCLREIENUM 0x35b +#define CSR_MCLAIMEI 0xfa8 + +/* Virtual Interrupts for Supervisor Level (AIA) */ +#define CSR_MVIEN 0x308 +#define CSR_MVIP 0x309 + +/* Machine-Level High-Half CSRs (AIA) */ +#define CSR_MIDELEGH 0x313 +#define CSR_MIEH 0x314 +#define CSR_MVIENH 0x318 +#define CSR_MVIPH 0x319 +#define CSR_MIPH 0x354 + /* Supervisor Trap Setup */ #define CSR_SSTATUS 0x100 #define CSR_SEDELEG 0x102 @@ -191,6 +216,24 @@ #define CSR_SPTBR 0x180 #define CSR_SATP 0x180 +/* Supervisor-Level Window to Indirectly Accessed Registers (AIA) */ +#define CSR_SISELECT 0x150 +#define CSR_SIREG 0x151 + +/* Supervisor-Level Interrupts (AIA) */ +#define CSR_STOPI 0xdb0 + +/* Supervisor-Level IMSIC Interface (AIA) */ +#define CSR_SSETEIPNUM 0x158 +#define CSR_SCLREIPNUM 0x159 +#define CSR_SSETEIENUM 0x15a +#define CSR_SCLREIENUM 0x15b +#define CSR_SCLAIMEI 0xda8 + +/* Supervisor-Level High-Half CSRs (AIA) */ +#define CSR_SIEH 0x114 +#define CSR_SIPH 0x154 + /* Hpervisor CSRs */ #define CSR_HSTATUS 0x600 #define CSR_HEDELEG 0x602 @@ -232,6 +275,34 @@ #define CSR_MTINST 0x34a #define CSR_MTVAL2 0x34b +/* Virtual Interrupts and Interrupt Priorities (H-extension with AIA) */ +#define CSR_HVIEN 0x608 +#define CSR_HVICONTROL 0x609 +#define CSR_HVIPRIO1 0x646 +#define CSR_HVIPRIO2 0x647 + +/* VS-Level Window to Indirectly Accessed Registers (H-extension with AIA) */ +#define CSR_VSISELECT 0x250 +#define CSR_VSIREG 0x251 + +/* VS-Level Interrupts (H-extension with AIA) */ +#define CSR_VSTOPI 0xeb0 + +/* VS-Level IMSIC Interface (H-extension with AIA) */ +#define CSR_VSSETEIPNUM 0x258 +#define CSR_VSCLREIPNUM 0x259 +#define CSR_VSSETEIENUM 0x25a +#define CSR_VSCLREIENUM 0x25b + +/* Hypervisor and VS-Level High-Half CSRs (H-extension with AIA) */ +#define CSR_HIDELEGH 0x613 +#define CSR_HVIENH 0x618 +#define CSR_HVIPH 0x655 +#define CSR_HVIPRIO1H 0x656 +#define CSR_HVIPRIO2H 0x657 +#define CSR_VSIEH 0x214 +#define CSR_VSIPH 0x254 + /* Physical Memory Protection */ #define CSR_PMPCFG0 0x3a0 #define CSR_PMPCFG1 0x3a1 @@ -436,6 +507,7 @@ #define HSTATUS_SPVP 0x00000100 #define HSTATUS_HU 0x00000200 #define HSTATUS_VGEIN 0x0003F000 +#define HSTATUS_VGEIN_SHIFT 12 #define HSTATUS_VTVM 0x00100000 #define HSTATUS_VTSR 0x00400000 #define HSTATUS_VSXL 0x300000000 @@ -565,6 +637,7 @@ #define IRQ_S_EXT 9 #define IRQ_VS_EXT 10 #define IRQ_M_EXT 11 +#define IRQ_S_GEXT 12 /* mip masks */ #define MIP_USIP (1 << IRQ_U_SOFT) @@ -592,4 +665,59 @@ #define MIE_UTIE (1 << IRQ_U_TIMER) #define MIE_SSIE (1 << IRQ_S_SOFT) #define MIE_USIE (1 << IRQ_U_SOFT) + +/* MISELECT, SISELECT, and VSISELECT bits (AIA) */ +#define ISELECT_IPRIO0 0x30 +#define ISELECT_IPRIO15 0x3f +#define ISELECT_IMSIC_EIDELIVERY 0x70 +#define ISELECT_IMSIC_EITHRESHOLD 0x72 +#define ISELECT_IMSIC_TOPEI 0x76 +#define ISELECT_IMSIC_EIP0 0x80 +#define ISELECT_IMSIC_EIP63 0xbf +#define ISELECT_IMSIC_EIE0 0xc0 +#define ISELECT_IMSIC_EIE63 0xff +#define ISELECT_IMSIC_FIRST ISELECT_IMSIC_EIDELIVERY +#define ISELECT_IMSIC_LAST ISELECT_IMSIC_EIE63 + +/* IMSIC bits (AIA) */ +#define IMSIC_TOPEI_IID_SHIFT 16 +#define IMSIC_TOPEI_IID_MASK 0x7ff +#define IMSIC_TOPEI_IPIRO_MASK 0x7ff +#define IMSIC_EIPx_BITS 32 +#define IMSIC_EIEx_BITS 32 + +/* MTOPI and STOPI bits (AIA) */ +#define TOPI_IID_SHIFT 16 +#define TOPI_IID_MASK 0xfff +#define TOPI_IPRIO_MASK 0xff + +/* Interrupt priority bits (AIA) */ +#define IPRIO_IRQ_BITS 8 +#define IPRIO_MMAXIPRIO 255 +#define IPRIO_DEFAULT_MMAXIPRIO 15 +#define IPRIO_DEFAULT_VS (IPRIO_DEFAULT_MMAXIPRIO - 4) +#define IPRIO_DEFAULT_SGEXT (IPRIO_DEFAULT_MMAXIPRIO - 5) +#define IPRIO_DEFAULT_S (IPRIO_DEFAULT_MMAXIPRIO - 6) +#define IPRIO_DEFAULT_M (IPRIO_DEFAULT_MMAXIPRIO - 7) +#define IPRIO_DEFAULT_U(_i) (((_i) >> 4) & 0x3) +#define IPRIO_DEFAULT_L(_i) ((_i) & 0xf) +#define IPRIO_DEFAULT_16_23(_i) \ + (IPRIO_DEFAULT_MMAXIPRIO - (IPRIO_DEFAULT_L(_i) >> 1)) +#define IPRIO_DEFAULT_24_31(_i) \ + (IPRIO_DEFAULT_MMAXIPRIO - (4 + (IPRIO_DEFAULT_L(_i) >> 1))) +#define IPRIO_DEFAULT_32_47(_i) \ + (IPRIO_DEFAULT_MMAXIPRIO - (IPRIO_DEFAULT_L(_i) >> 2)) +#define IPRIO_DEFAULT_48_63(_i) \ + (IPRIO_DEFAULT_MMAXIPRIO - (8 + (IPRIO_DEFAULT_L(_i) >> 2))) + +/* HVICONTROL bits (AIA) */ +#define HVICONTROL_VTI 0x40000000 +#define HVICONTROL_IID_MASK 0xfff +#define HVICONTROL_IID_SHIFT 16 +#define HVICONTROL_IPRIO_MASK 0xff +#define HVICONTROL_VALID_MASK \ + (HVICONTROL_VTI | \ + (HVICONTROL_IID_MASK << HVICONTROL_IID_SHIFT) | \ + HVICONTROL_IPRIO_MASK) + #endif