diff options
Diffstat (limited to 'target/riscv')
| -rw-r--r-- | target/riscv/cpu_bits.h | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/target/riscv/cpu_bits.h b/target/riscv/cpu_bits.h index a541705..068c4d8 100644 --- a/target/riscv/cpu_bits.h +++ b/target/riscv/cpu_bits.h @@ -168,6 +168,31 @@ #define CSR_MTVAL 0x343 #define CSR_MIP 0x344 +/* 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_MTOPEI 0x35c + +/* 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 @@ -187,6 +212,24 @@ #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_STOPEI 0x15c + +/* Supervisor-Level High-Half CSRs (AIA) */ +#define CSR_SIEH 0x114 +#define CSR_SIPH 0x154 + /* Hpervisor CSRs */ #define CSR_HSTATUS 0x600 #define CSR_HEDELEG 0x602 @@ -217,6 +260,35 @@ #define CSR_MTINST 0x34a #define CSR_MTVAL2 0x34b +/* Virtual Interrupts and Interrupt Priorities (H-extension with AIA) */ +#define CSR_HVIEN 0x608 +#define CSR_HVICTL 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 +#define CSR_VSTOPEI 0x25c + +/* 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 + /* Enhanced Physical Memory Protection (ePMP) */ #define CSR_MSECCFG 0x747 #define CSR_MSECCFGH 0x757 @@ -635,4 +707,51 @@ typedef enum RISCVException { #define UMTE_U_PM_INSN U_PM_INSN #define UMTE_MASK (UMTE_U_PM_ENABLE | MMTE_U_PM_CURRENT | UMTE_U_PM_INSN) +/* 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_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 +#define ISELECT_MASK 0x1ff + +/* Dummy [M|S|VS]ISELECT value for emulating [M|S|VS]TOPEI CSRs */ +#define ISELECT_IMSIC_TOPEI (ISELECT_MASK + 1) + +/* IMSIC bits (AIA) */ +#define IMSIC_TOPEI_IID_SHIFT 16 +#define IMSIC_TOPEI_IID_MASK 0x7ff +#define IMSIC_TOPEI_IPRIO_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_UPPER 4 +#define IPRIO_DEFAULT_MIDDLE (IPRIO_DEFAULT_UPPER + 24) +#define IPRIO_DEFAULT_M IPRIO_DEFAULT_MIDDLE +#define IPRIO_DEFAULT_S (IPRIO_DEFAULT_M + 3) +#define IPRIO_DEFAULT_SGEXT (IPRIO_DEFAULT_S + 3) +#define IPRIO_DEFAULT_VS (IPRIO_DEFAULT_SGEXT + 1) +#define IPRIO_DEFAULT_LOWER (IPRIO_DEFAULT_VS + 3) + +/* HVICTL bits (AIA) */ +#define HVICTL_VTI 0x40000000 +#define HVICTL_IID 0x0fff0000 +#define HVICTL_IPRIOM 0x00000100 +#define HVICTL_IPRIO 0x000000ff +#define HVICTL_VALID_MASK \ + (HVICTL_VTI | HVICTL_IID | HVICTL_IPRIOM | HVICTL_IPRIO) + #endif |