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- #ifndef __NIOS2_H__
- #define __NIOS2_H__
-
-
-
-
-
- #ifdef __cplusplus
- extern "C"
- {
- #endif /* __cplusplus */
-
-
- #define NIOS2_NIRQ 32
-
-
-
-
- #define NIOS2_READ_ET(et) \
- do { __asm ("mov %0, et" : "=r" (et) ); } while (0)
-
- #define NIOS2_WRITE_ET(et) \
- do { __asm volatile ("mov et, %z0" : : "rM" (et)); } while (0)
-
-
- #define NIOS2_READ_SP(sp) \
- do { __asm ("mov %0, sp" : "=r" (sp) ); } while (0)
-
-
- #define NIOS2_BREAK() \
- do { __asm volatile ("break"); } while (0)
-
- #define NIOS2_REPORT_STACK_OVERFLOW() \
- do { __asm volatile("break 3"); } while (0)
-
-
- #define NIOS2_READ_STATUS(dest) \
- do { dest = __builtin_rdctl(0); } while (0)
-
- #define NIOS2_WRITE_STATUS(src) \
- do { __builtin_wrctl(0, src); } while (0)
-
- #define NIOS2_READ_ESTATUS(dest) \
- do { dest = __builtin_rdctl(1); } while (0)
-
- #define NIOS2_READ_BSTATUS(dest) \
- do { dest = __builtin_rdctl(2); } while (0)
-
- #define NIOS2_READ_IENABLE(dest) \
- do { dest = __builtin_rdctl(3); } while (0)
-
- #define NIOS2_WRITE_IENABLE(src) \
- do { __builtin_wrctl(3, src); } while (0)
-
- #define NIOS2_READ_IPENDING(dest) \
- do { dest = __builtin_rdctl(4); } while (0)
-
- #define NIOS2_READ_CPUID(dest) \
- do { dest = __builtin_rdctl(5); } while (0)
-
- #define NIOS2_READ_EXCEPTION(dest) \
- do { dest = __builtin_rdctl(7); } while (0)
-
- #define NIOS2_READ_PTEADDR(dest) \
- do { dest = __builtin_rdctl(8); } while (0)
-
- #define NIOS2_WRITE_PTEADDR(src) \
- do { __builtin_wrctl(8, src); } while (0)
-
- #define NIOS2_READ_TLBACC(dest) \
- do { dest = __builtin_rdctl(9); } while (0)
-
- #define NIOS2_WRITE_TLBACC(src) \
- do { __builtin_wrctl(9, src); } while (0)
-
- #define NIOS2_READ_TLBMISC(dest) \
- do { dest = __builtin_rdctl(10); } while (0)
-
- #define NIOS2_WRITE_TLBMISC(src) \
- do { __builtin_wrctl(10, src); } while (0)
-
- #define NIOS2_READ_ECCINJ(dest) \
- do { dest = __builtin_rdctl(11); } while (0)
-
- #define NIOS2_WRITE_ECCINJ(src) \
- do { __builtin_wrctl(11, src); } while (0)
-
- #define NIOS2_READ_BADADDR(dest) \
- do { dest = __builtin_rdctl(12); } while (0)
-
- #define NIOS2_WRITE_CONFIG(src) \
- do { __builtin_wrctl(13, src); } while (0)
-
- #define NIOS2_READ_CONFIG(dest) \
- do { dest = __builtin_rdctl(13); } while (0)
-
- #define NIOS2_WRITE_MPUBASE(src) \
- do { __builtin_wrctl(14, src); } while (0)
-
- #define NIOS2_READ_MPUBASE(dest) \
- do { dest = __builtin_rdctl(14); } while (0)
-
- #define NIOS2_WRITE_MPUACC(src) \
- do { __builtin_wrctl(15, src); } while (0)
-
- #define NIOS2_READ_MPUACC(dest) \
- do { dest = __builtin_rdctl(15); } while (0)
-
-
- #define NIOS2_STATUS status
- #define NIOS2_ESTATUS estatus
- #define NIOS2_BSTATUS bstatus
- #define NIOS2_IENABLE ienable
- #define NIOS2_IPENDING ipending
- #define NIOS2_CPUID cpuid
-
-
-
-
- #define NIOS2_STATUS_PIE_MSK (0x00000001)
- #define NIOS2_STATUS_PIE_OFST (0)
- #define NIOS2_STATUS_U_MSK (0x00000002)
- #define NIOS2_STATUS_U_OFST (1)
- #define NIOS2_STATUS_EH_MSK (0x00000004)
- #define NIOS2_STATUS_EH_OFST (2)
- #define NIOS2_STATUS_IH_MSK (0x00000008)
- #define NIOS2_STATUS_IH_OFST (3)
- #define NIOS2_STATUS_IL_MSK (0x000003f0)
- #define NIOS2_STATUS_IL_OFST (4)
- #define NIOS2_STATUS_CRS_MSK (0x0000fc00)
- #define NIOS2_STATUS_CRS_OFST (10)
- #define NIOS2_STATUS_PRS_MSK (0x003f0000)
- #define NIOS2_STATUS_PRS_OFST (16)
- #define NIOS2_STATUS_NMI_MSK (0x00400000)
- #define NIOS2_STATUS_NMI_OFST (22)
- #define NIOS2_STATUS_RSIE_MSK (0x00800000)
- #define NIOS2_STATUS_RSIE_OFST (23)
- #define NIOS2_STATUS_SRS_MSK (0x80000000)
- #define NIOS2_STATUS_SRS_OFST (31)
-
-
- #define NIOS2_EXCEPTION_REG_CAUSE_MASK (0x0000007c)
- #define NIOS2_EXCEPTION_REG_CAUSE_OFST (2)
- #define NIOS2_EXCEPTION_REG_ECCFTL_MASK (0x80000000)
- #define NIOS2_EXCEPTION_REG_ECCFTL_OFST (31)
-
-
- #define NIOS2_PTEADDR_REG_VPN_OFST 2
- #define NIOS2_PTEADDR_REG_VPN_MASK 0x3ffffc
- #define NIOS2_PTEADDR_REG_PTBASE_OFST 22
- #define NIOS2_PTEADDR_REG_PTBASE_MASK 0xffc00000
-
-
- #define NIOS2_TLBACC_REG_PFN_OFST 0
- #define NIOS2_TLBACC_REG_PFN_MASK 0xfffff
- #define NIOS2_TLBACC_REG_G_OFST 20
- #define NIOS2_TLBACC_REG_G_MASK 0x100000
- #define NIOS2_TLBACC_REG_X_OFST 21
- #define NIOS2_TLBACC_REG_X_MASK 0x200000
- #define NIOS2_TLBACC_REG_W_OFST 22
- #define NIOS2_TLBACC_REG_W_MASK 0x400000
- #define NIOS2_TLBACC_REG_R_OFST 23
- #define NIOS2_TLBACC_REG_R_MASK 0x800000
- #define NIOS2_TLBACC_REG_C_OFST 24
- #define NIOS2_TLBACC_REG_C_MASK 0x1000000
- #define NIOS2_TLBACC_REG_IG_OFST 25
- #define NIOS2_TLBACC_REG_IG_MASK 0xfe000000
-
-
- #define NIOS2_TLBMISC_REG_D_OFST 0
- #define NIOS2_TLBMISC_REG_D_MASK 0x1
- #define NIOS2_TLBMISC_REG_PERM_OFST 1
- #define NIOS2_TLBMISC_REG_PERM_MASK 0x2
- #define NIOS2_TLBMISC_REG_BAD_OFST 2
- #define NIOS2_TLBMISC_REG_BAD_MASK 0x4
- #define NIOS2_TLBMISC_REG_DBL_OFST 3
- #define NIOS2_TLBMISC_REG_DBL_MASK 0x8
- #define NIOS2_TLBMISC_REG_PID_OFST 4
- #define NIOS2_TLBMISC_REG_PID_MASK 0x3fff0
- #define NIOS2_TLBMISC_REG_WE_OFST 18
- #define NIOS2_TLBMISC_REG_WE_MASK 0x40000
- #define NIOS2_TLBMISC_REG_RD_OFST 19
- #define NIOS2_TLBMISC_REG_RD_MASK 0x80000
- #define NIOS2_TLBMISC_REG_WAY_OFST 20
- #define NIOS2_TLBMISC_REG_WAY_MASK 0xf00000
- #define NIOS2_TLBMISC_REG_EE_OFST 24
- #define NIOS2_TLBMISC_REG_EE_MASK 0x1000000
-
-
- #define NIOS2_ECCINJ_REG_RF_OFST 0
- #define NIOS2_ECCINJ_REG_RF_MASK 0x3
- #define NIOS2_ECCINJ_REG_ICTAG_OFST 2
- #define NIOS2_ECCINJ_REG_ICTAG_MASK 0xc
- #define NIOS2_ECCINJ_REG_ICDAT_OFST 4
- #define NIOS2_ECCINJ_REG_ICDAT_MASK 0x30
- #define NIOS2_ECCINJ_REG_DCTAG_OFST 6
- #define NIOS2_ECCINJ_REG_DCTAG_MASK 0xc0
- #define NIOS2_ECCINJ_REG_DCDAT_OFST 8
- #define NIOS2_ECCINJ_REG_DCDAT_MASK 0x300
- #define NIOS2_ECCINJ_REG_TLB_OFST 10
- #define NIOS2_ECCINJ_REG_TLB_MASK 0xc00
- #define NIOS2_ECCINJ_REG_DTCM0_OFST 12
- #define NIOS2_ECCINJ_REG_DTCM0_MASK 0x3000
- #define NIOS2_ECCINJ_REG_DTCM1_OFST 14
- #define NIOS2_ECCINJ_REG_DTCM1_MASK 0xc000
- #define NIOS2_ECCINJ_REG_DTCM2_OFST 16
- #define NIOS2_ECCINJ_REG_DTCM2_MASK 0x30000
- #define NIOS2_ECCINJ_REG_DTCM3_OFST 18
- #define NIOS2_ECCINJ_REG_DTCM3_MASK 0xc0000
-
-
- #define NIOS2_CONFIG_REG_PE_MASK (0x00000001)
- #define NIOS2_CONFIG_REG_PE_OFST (0)
- #define NIOS2_CONFIG_REG_ANI_MASK (0x00000002)
- #define NIOS2_CONFIG_REG_ANI_OFST (1)
- #define NIOS2_CONFIG_REG_ECCEN_MASK (0x00000004)
- #define NIOS2_CONFIG_REG_ECCEN_OFST (2)
- #define NIOS2_CONFIG_REG_ECCEXC_MASK (0x00000008)
- #define NIOS2_CONFIG_REG_ECCEXC_OFST (3)
-
-
- #define NIOS2_MPUBASE_D_MASK (0x00000001)
- #define NIOS2_MPUBASE_D_OFST (0)
- #define NIOS2_MPUBASE_INDEX_MASK (0x0000003e)
- #define NIOS2_MPUBASE_INDEX_OFST (1)
- #define NIOS2_MPUBASE_BASE_ADDR_MASK (0xffffffc0)
- #define NIOS2_MPUBASE_BASE_ADDR_OFST (6)
-
-
- #define NIOS2_MPUACC_LIMIT_MASK (0xffffffc0)
- #define NIOS2_MPUACC_LIMIT_OFST (6)
- #define NIOS2_MPUACC_MASK_MASK (0xffffffc0)
- #define NIOS2_MPUACC_MASK_OFST (6)
- #define NIOS2_MPUACC_C_MASK (0x00000020)
- #define NIOS2_MPUACC_C_OFST (5)
- #define NIOS2_MPUACC_PERM_MASK (0x0000001c)
- #define NIOS2_MPUACC_PERM_OFST (2)
- #define NIOS2_MPUACC_RD_MASK (0x00000002)
- #define NIOS2_MPUACC_RD_OFST (1)
- #define NIOS2_MPUACC_WR_MASK (0x00000001)
- #define NIOS2_MPUACC_WR_OFST (0)
-
- #ifdef __cplusplus
- }
- #endif /* __cplusplus */
-
- #endif /* __NIOS2_H__ */
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