From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anup Patel Date: Tue, 4 Jan 2022 15:39:40 +0530 Subject: [PATCH 01/13] include: sbi: Add AIA related CSR defines In-Reply-To: <20220104100952.127448-1-apatel@ventanamicro.com> References: <20220104100952.127448-1-apatel@ventanamicro.com> Message-ID: <20220104100952.127448-2-apatel@ventanamicro.com> List-Id: To: opensbi@lists.infradead.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit The RISC-V AIA specification improves handling of per-HART local interrupts in a backward compatible manner. This patch adds defines for the new RISC-V AIA CSRs. Signed-off-by: Anup Patel Signed-off-by: Anup Patel --- include/sbi/riscv_encoding.h | 76 ++++++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) diff --git a/include/sbi/riscv_encoding.h b/include/sbi/riscv_encoding.h index 8a29f8e..03f85cb 100644 --- a/include/sbi/riscv_encoding.h +++ b/include/sbi/riscv_encoding.h @@ -173,6 +173,10 @@ #define HGATP_MODE_SHIFT HGATP32_MODE_SHIFT #endif +#define TOPI_IID_SHIFT 16 +#define TOPI_IID_MASK 0xfff +#define TOPI_IPRIO_MASK 0xff + #if __riscv_xlen == 64 #define MHPMEVENT_OF (_UL(1) << 63) #define MHPMEVENT_MINH (_UL(1) << 62) @@ -303,6 +307,24 @@ /* Supervisor Protection and Translation */ #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 + /* ===== Hypervisor-level CSRs ===== */ /* Hypervisor Trap Setup (H-extension) */ @@ -338,6 +360,35 @@ #define CSR_VSIP 0x244 #define CSR_VSATP 0x280 +/* 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 + /* ===== Machine-level CSRs ===== */ /* Machine Information Registers */ @@ -589,6 +640,31 @@ #define CSR_DSCRATCH0 0x7b2 #define CSR_DSCRATCH1 0x7b3 +/* 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 + /* ===== Trap/Exception Causes ===== */ #define CAUSE_MISALIGNED_FETCH 0x0 -- 2.25.1