| 1 | /* |
| 2 | * Definitions for Arm ID system registers |
| 3 | * |
| 4 | * SPDX-License-Identifier: GPL-2.0-or-later |
| 5 | */ |
| 6 | #ifndef ARM_CPU_SYSREGS_H |
| 7 | #define ARM_CPU_SYSREGS_H |
| 8 | |
| 9 | /* |
| 10 | * Following is similar to the coprocessor regs encodings, but with an argument |
| 11 | * ordering that matches the ARM ARM. We also reuse the various CP_REG_ defines |
| 12 | * that actually are the same as the equivalent KVM_REG_ values. |
| 13 | */ |
| 14 | #define ENCODE_ID_REG(op0, op1, crn, crm, op2) \ |
| 15 | (((op0) << CP_REG_ARM64_SYSREG_OP0_SHIFT) | \ |
| 16 | ((op1) << CP_REG_ARM64_SYSREG_OP1_SHIFT) | \ |
| 17 | ((crn) << CP_REG_ARM64_SYSREG_CRN_SHIFT) | \ |
| 18 | ((crm) << CP_REG_ARM64_SYSREG_CRM_SHIFT) | \ |
| 19 | ((op2) << CP_REG_ARM64_SYSREG_OP2_SHIFT)) |
| 20 | |
| 21 | #define DEF(NAME, OP0, OP1, CRN, CRM, OP2) NAME##_IDX, |
| 22 | |
| 23 | typedef enum ARMIDRegisterIdx { |
| 24 | #include "cpu-sysregs.h.inc" |
| 25 | NUM_ID_IDX, |
| 26 | } ARMIDRegisterIdx; |
| 27 | |
| 28 | #undef DEF |
| 29 | #define DEF(NAME, OP0, OP1, CRN, CRM, OP2) \ |
| 30 | SYS_##NAME = ENCODE_ID_REG(OP0, OP1, CRN, CRM, OP2), |
| 31 | |
| 32 | typedef enum ARMSysRegs { |
| 33 | #include "cpu-sysregs.h.inc" |
| 34 | } ARMSysRegs; |
| 35 | |
| 36 | #undef DEF |
| 37 | |
| 38 | extern const uint32_t id_register_sysreg[NUM_ID_IDX]; |
| 39 | |
| 40 | int get_sysreg_idx(ARMSysRegs sysreg); |
| 41 | |
| 42 | #endif /* ARM_CPU_SYSREGS_H */ |