| /* alpha_ev5_defs.h: Alpha EV5 chip definitions file | |
| Copyright (c) 2003-2005, Robert M Supnik | |
| Permission is hereby granted, free of charge, to any person obtaining a | |
| copy of this software and associated documentation files (the "Software"), | |
| to deal in the Software without restriction, including without limitation | |
| the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
| and/or sell copies of the Software, and to permit persons to whom the | |
| Software is furnished to do so, subject to the following conditions: | |
| The above copyright notice and this permission notice shall be included in | |
| all copies or substantial portions of the Software. | |
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
| ROBERT M SUPNIK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER | |
| IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
| CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
| Except as contained in this notice, the name of Robert M Supnik shall not be | |
| used in advertising or otherwise to promote the sale, use or other dealings | |
| in this Software without prior written authorization from Robert M Supnik. | |
| Respectfully dedicated to the great people of the Alpha chip, systems, and | |
| software development projects; and to the memory of Peter Conklin, of the | |
| Alpha Program Office. | |
| */ | |
| #ifndef _ALPHA_EV5_DEFS_H_ | |
| #define _ALPHA_EV5_DEFS_H_ 0 | |
| /* Address limits */ | |
| #define VA_SIZE 43 /* VA size */ | |
| #define NTVA_WIDTH 32 /* VA width for NT */ | |
| #define VA_MASK 0x000007FFFFFFFFFF | |
| #define EV5_PA_SIZE 40 /* PA size */ | |
| #define EV5_PA_MASK 0x000000FFFFFFFFFF | |
| /* Virtual address */ | |
| #define VA_N_OFF 13 /* offset size */ | |
| #define VA_PAGSIZE (1u << VA_N_OFF) /* page size */ | |
| #define VA_M_OFF ((1u << VA_N_OFF) - 1) /* offset mask */ | |
| #define VA_N_LVL 10 /* width per level */ | |
| #define VA_M_LVL ((1u << VA_N_LVL) - 1) /* level mask */ | |
| #define VA_V_VPN VA_N_OFF /* vpn start */ | |
| #define VA_N_VPN (VA_N_LVL * 3) /* vpn size */ | |
| #define VA_M_VPN ((1u << VA_N_VPN) - 1) /* vpn mask */ | |
| #define VA_WIDTH (VA_N_VPN + VA_N_OFF) /* total VA size */ | |
| #define VA_V_SEXT (VA_WIDTH - 1) /* sext start */ | |
| #define VA_M_SEXT ((1u << (64 - VA_V_SEXT)) - 1) /* sext mask */ | |
| #define VA_GETOFF(x) (((uint32) (x)) & VA_M_OFF) | |
| #define VA_GETVPN(x) (((uint32) ((x) >> VA_V_VPN)) & VA_M_VPN) | |
| #define VA_GETSEXT(x) (((uint32) ((x) >> VA_V_SEXT)) & VA_M_SEXT) | |
| #define PHYS_ADDR(p,v) ((((t_uint64) (p)) < VA_N_OFF) | VA_GETOFF (v)) | |
| /* 43b and 32b superpages - present in all implementations */ | |
| #define SPEN_43 0x2 | |
| #define SPEN_32 0x1 | |
| #define SP43_MASK 0x000001FFFFFFFFFF | |
| #define SP32_MASK 0x000000003FFFFFFF | |
| #define VPN_GETSP43(x) ((uint32) (((x) >> (VA_WIDTH - VA_N_OFF - 2)) & 3)) | |
| #define VPN_GETSP32(x) ((uint32) (((x) >> (NTVA_WIDTH - VA_N_OFF - 2)) & 0x1FFF)) | |
| /* TLBs */ | |
| #define INV_TAG M32 | |
| #define ITLB_SIZE 48 | |
| #define DTLB_SIZE 64 | |
| #define ITLB_WIDTH 6 | |
| #define DTLB_WIDTH 6 | |
| #define TLB_CI 0x1 /* clear I */ | |
| #define TLB_CD 0x2 /* clear D */ | |
| #define TLB_CA 0x4 /* clear all */ | |
| typedef struct { | |
| uint32 tag; /* tag */ | |
| uint8 asn; /* addr space # */ | |
| uint8 idx; /* entry # */ | |
| uint16 gh_mask; /* gh mask */ | |
| uint32 pfn; /* pfn */ | |
| uint32 pte; /* swre/pte */ | |
| } TLBENT; | |
| /* Register shadow */ | |
| #define PALSHAD_SIZE 8 | |
| #define PAL_USE_SHADOW \ | |
| ev5_palsave[0] = R[8]; ev5_palsave[1] = R[9]; \ | |
| ev5_palsave[2] = R[10]; ev5_palsave[3] = R[11]; \ | |
| ev5_palsave[4] = R[12]; ev5_palsave[5] = R[13]; \ | |
| ev5_palsave[6] = R[14]; ev5_palsave[7] = R[25]; \ | |
| R[8] = ev5_palshad[0]; R[9] = ev5_palshad[1]; \ | |
| R[10] = ev5_palshad[2]; R[11] = ev5_palshad[3]; \ | |
| R[12] = ev5_palshad[4]; R[13] = ev5_palshad[5]; \ | |
| R[14] = ev5_palshad[6]; R[25] = ev5_palshad[7] | |
| #define PAL_USE_MAIN \ | |
| ev5_palshad[0] = R[8]; ev5_palshad[1] = R[9]; \ | |
| ev5_palshad[2] = R[10]; ev5_palshad[3] = R[11]; \ | |
| ev5_palshad[4] = R[12]; ev5_palshad[5] = R[13]; \ | |
| ev5_palshad[6] = R[14]; ev5_palshad[7] = R[25]; \ | |
| R[8] = ev5_palsave[0]; R[9] = ev5_palsave[1]; \ | |
| R[10] = ev5_palsave[2]; R[11] = ev5_palsave[3]; \ | |
| R[12] = ev5_palsave[4]; R[13] = ev5_palsave[5]; \ | |
| R[14] = ev5_palsave[6]; R[25] = ev5_palsave[7] | |
| /* PAL instructions */ | |
| #define HW_MFPR 0x19 | |
| #define HW_LD 0x1B | |
| #define HW_MTPR 0x1D | |
| #define HW_REI 0x1E | |
| #define HW_ST 0x1F | |
| #define HW_LD_V 0x8000 | |
| #define HW_LD_ALT 0x4000 | |
| #define HW_LD_WCH 0x2000 | |
| #define HW_LD_Q 0x1000 | |
| #define HW_LD_PTE 0x0800 | |
| #define HW_LD_LCK 0x0400 | |
| #define HW_LD_DSP 0x03FF | |
| #define SIGN_HW_LD_DSP 0x0200 | |
| #define HW_LD_GETDSP(x) ((x) & HW_LD_DSP) | |
| #define SEXT_HW_LD_DSP(x) (((x) & SIGN_HW_LD_DSP)? \ | |
| ((x) | ~((t_uint64) HW_LD_DSP)): ((x) & HW_LD_DSP)) | |
| #define HW_REI_S 0x4000 | |
| /* PAL entry offsets */ | |
| #define PALO_RESET 0x0000 | |
| #define PALO_IACV 0x0080 | |
| #define PALO_INTR 0x0100 | |
| #define PALO_ITBM 0x0180 | |
| #define PALO_DTBM 0x0200 | |
| #define PALO_DTBM_D 0x0280 | |
| #define PALO_ALGN 0x0300 | |
| #define PALO_DFLT 0x0380 | |
| #define PALO_MCHK 0x0400 | |
| #define PALO_RSVI 0x0480 | |
| #define PALO_TRAP 0x0500 | |
| #define PALO_FDIS 0x0580 | |
| #define PALO_CALLPR 0x2000 | |
| #define PALO_CALLUNPR 0x3000 | |
| /* Special (above 1F) and normal interrupt levels */ | |
| #define IPL_HALT 0x40 | |
| #define IPL_SLI 0x20 | |
| #define IPL_1F 0x1F /* highest level */ | |
| #define IPL_CRD 0x1F /* corrected read data */ | |
| #define IPL_PWRFL 0x1E /* power fail */ | |
| #define IPL_AST 0x02 /* AST interrupt level */ | |
| /* Internal registers */ | |
| #define PALTEMP_SIZE 24 | |
| enum ev5_internal_reg { | |
| ISR = 0x100, ITB_TAG, ITB_PTE, ITB_ASN, | |
| ITB_PTE_TEMP, ITB_IA, ITB_IAP, ITB_IS, | |
| SIRR, ASTRR, ASTEN, EXC_ADDR, | |
| EXC_SUMM, EXC_MASK, PAL_BASE, ICM, | |
| IPLR, INTID, IFAULT_VA_FORM, IVPTBR, | |
| HWINT_CLR = 0x115, SL_XMIT, SL_RCV, | |
| ICSR, IC_FLUSH_CTL, ICPERR_STAT, PMCTR = 0x11C, | |
| PALTEMP = 0x140, | |
| DTB_ASN = 0x200, DTB_CM, DTB_TAG, DTB_PTE, | |
| DTB_PTE_TEMP, MM_STAT, VA, VA_FORM, | |
| MVPTBR, DTB_IAP, DTB_IA, DTB_IS, | |
| ALTMODE, CC, CC_CTL, MCSR, | |
| DC_FLUSH, DC_PERR_STAT = 0x212, DC_TEST_CTL, | |
| DC_TEST_TAG, DC_TEST_TAG_TEMP, DC_MODE, MAF_MODE | |
| }; | |
| /* Ibox registers */ | |
| /* ISR - instruction summary register - read only */ | |
| #define ISR_V_AST 0 | |
| #define ISR_V_SIRR 4 | |
| #define ISR_V_ATR 19 | |
| #define ISR_V_IRQ0 20 | |
| #define ISR_V_IRQ1 21 | |
| #define ISR_V_IRQ2 22 | |
| #define ISR_V_IRQ3 23 | |
| #define ISR_V_PFL 30 | |
| #define ISR_V_MCHK 31 | |
| #define ISR_V_CRD 32 | |
| #define ISR_V_SLI 33 | |
| #define ISR_V_HALT 34 | |
| #define ISR_ATR (((t_uint64) 1u) << ISR_V_ATR) | |
| #define ISR_IRQ0 (((t_uint64) 1u) << ISR_V_IRQ0) | |
| #define ISR_IRQ1 (((t_uint64) 1u) << ISR_V_IRQ1) | |
| #define ISR_IRQ2 (((t_uint64) 1u) << ISR_V_IRQ2) | |
| #define ISR_IRQ3 (((t_uint64) 1u) << ISR_V_IRQ3) | |
| #define ISR_HALT (((t_uint64) 1u) << ISR_V_HALT) | |
| /* ITB_TAG - ITLB tag - write only - stores VPN (tag) of faulting address */ | |
| /* ITB_PTE - ITLB pte - read and write in different formats */ | |
| #define ITBR_PTE_V_ASM 13 | |
| #define ITBR_PTE_ASM (1u << ITBR_PTE_V_ASM) | |
| #define ITBR_PTE_V_KRE 18 | |
| #define ITBR_PTE_GH0 0x00000000 | |
| #define ITBR_PTE_GH1 0x20000000 | |
| #define ITBR_PTE_GH2 0x60000000 | |
| #define ITBR_PTE_GH3 0xE0000000 | |
| /* ITB_ASN - ITLB ASN - read write */ | |
| #define ITB_ASN_V_ASN 4 | |
| #define ITB_ASN_M_ASN 0x7F | |
| #define ITB_ASN_WIDTH 7 | |
| /* ITB_PTE_TEMP - ITLB PTE readout - read only */ | |
| /* ITB_IA, ITB_IAP, ITB_IS - ITLB invalidates - write only */ | |
| /* SIRR - software interrupt request register - read/write */ | |
| #define SIRR_V_SIRR 4 | |
| #define SIRR_M_SIRR 0x7FFF | |
| /* ASTRR, ASTEN - AST request, enable registers - read/write */ | |
| #define AST_MASK 0xF /* AST bits */ | |
| /* EXC_ADDR - read/write */ | |
| /* EXC_SUMM - read/cleared on write */ | |
| /* EXC_MASK - read only */ | |
| /* PAL_BASE - read/write */ | |
| #define PAL_BASE_RW 0x000000FFFFFFFFC000 | |
| /* ICM - ITLB current mode - read/write */ | |
| #define ICM_V_CM 3 | |
| #define ICM_M_CM 0x3 | |
| /* IPLR - interrupt priority level - read/write */ | |
| #define IPLR_V_IPL 0 | |
| #define IPLR_M_IPL 0x1F | |
| /* INTID - interrupt ID - read only */ | |
| #define INTID_MASK 0x1F | |
| /* IFAULT_VA_FORM - formated fault VA - read only */ | |
| /* IVPTBR - virtual page table base - read/write */ | |
| #define IVPTBR_VMS 0xFFFFFFF800000000 | |
| #define IVPTBR_NT 0xFFFFFFFFC0000000 | |
| #define FMT_IVA_VMS(x) (ev5_ivptbr | (((x) >> (VA_N_OFF - 3)) & 0x1FFFFFFF8)) | |
| #define FMT_IVA_NT(x) (ev5_ivptbr | (((x) >> (VA_N_OFF - 3)) & 0x0003FFFF8)) | |
| /* HWINT_CLR - hardware interrupt clear - write only */ | |
| #define HWINT_CLR_W1C 0x00000003C8000000 | |
| /* SL_XMIT - serial line transmit - write only */ | |
| /* SL_RCV - real line receive - read only */ | |
| /* ICSR - Ibox control/status - read/write */ | |
| #define ICSR_V_PME 8 | |
| #define ICSR_M_PME 0x3 | |
| #define ICSR_V_BSE 17 | |
| #define ICSR_V_MSK0 20 | |
| #define ICSR_V_MSK1 21 | |
| #define ICSR_V_MSK2 22 | |
| #define ICSR_V_MSK3 23 | |
| #define ICSR_V_TMM 24 | |
| #define ICSR_V_TMD 25 | |
| #define ICSR_V_FPE 26 | |
| #define ICSR_V_HWE 27 | |
| #define ICSR_V_SPE 28 | |
| #define ICSR_M_SPE 0x3 | |
| #define ICSR_V_SDE 30 | |
| #define ICSR_V_CRDE 32 | |
| #define ICSR_V_SLE 33 | |
| #define ICSR_V_FMS 34 | |
| #define ICSR_V_FBT 35 | |
| #define ICSR_V_FBD 36 | |
| #define ICSR_V_BIST 38 | |
| #define ICSR_V_TEST 39 | |
| #define ICSR_NT (((t_uint64) 1u) << ICSR_V_SPE) | |
| #define ICSR_BSE (((t_uint64) 1u) << ICSR_V_BSE) | |
| #define ICSR_MSK0 (((t_uint64) 1u) << ICSR_V_MSK0) | |
| #define ICSR_MSK1 (((t_uint64) 1u) << ICSR_V_MSK1) | |
| #define ICSR_MSK2 (((t_uint64) 1u) << ICSR_V_MSK2) | |
| #define ICSR_MSK3 (((t_uint64) 1u) << ICSR_V_MSK3) | |
| #define ICSR_HWE (((t_uint64) 1u) << ICSR_V_HWE) | |
| #define ICSR_SDE (((t_uint64) 1u) << ICSR_V_SDE) | |
| #define ICSR_CRDE (((t_uint64) 1u) << ICSR_V_CRDE) | |
| #define ICSR_SLE (((t_uint64) 1u) << ICSR_V_SLE) | |
| #define ICSR_RW 0x0000009F4BF00300 | |
| #define ICSR_MBO 0x0000006000000000 | |
| /* IC_FLUSH_CTL - Icache flush control - write only */ | |
| /* ICPERR_STAT - Icache parity status - read/write 1 to clear */ | |
| #define ICPERR_V_DPE 11 | |
| #define ICPERR_V_TPE 12 | |
| #define ICPERR_V_TMO 13 | |
| #define ICPERR_DPE (1u << ICPERR_V_DPE) | |
| #define ICPERR_TPE (1u << ICPERR_V_TPE) | |
| #define ICPERR_TMO (1u << ICPERR_V_TMO) | |
| #define ICPERR_W1C (ICPERR_DPE|ICPERR_TPE|ICPERR_TMO) | |
| /* Mbox registers */ | |
| /* DTB_ASN - DTLB ASN - write only */ | |
| #define DTB_ASN_V_ASN 57 | |
| #define DTB_ASN_M_ASN 0x7F | |
| #define DTB_ASN_WIDTH 7 | |
| /* DTB_CM - DTLB current mode - write only */ | |
| #define DCM_V_CM 3 | |
| #define DCM_M_CM 0x3 | |
| /* DTB_TAG - DTLB tag and update - write only */ | |
| /* DTB_PTE - DTLB PTE - read/write */ | |
| /* DTB_PTE_TEMP - DTLB PTE read out register - read only */ | |
| /* MM_STAT - data fault status register - read only */ | |
| #define MM_STAT_WR 0x00001 | |
| #define MM_STAT_ACV 0x00002 | |
| #define MM_STAT_FOR 0x00004 | |
| #define MM_STAT_FOW 0x00008 | |
| #define MM_STAT_TBM 0x00010 | |
| #define MM_STAT_BVA 0x00020 | |
| #define MM_STAT_V_RA 6 | |
| #define MM_STAT_IMASK 0x1FFC0 | |
| /* VA - data fault virtual address - read only */ | |
| /* VA_FORM - data fault formated virtual address - read only */ | |
| #define FMT_MVA_VMS(x) (ev5_mvptbr | (((x) >> (VA_N_OFF - 3)) & 0x1FFFFFFF8)) | |
| #define FMT_MVA_NT(x) (ev5_mvptbr | (((x) >> (VA_N_OFF - 3)) & 0x0003FFFF8)) | |
| /* MVPTBR - DTB virtual page table base - write only */ | |
| #define MVPTBR_MBZ ((t_uint64) 0x3FFFFFFF) | |
| /* DTB_IAP, DTB_IA, DTB_IS - DTB invalidates - write only */ | |
| /* ALT_MODE - DTLB current mode - write only */ | |
| #define ALT_V_CM 3 | |
| #define ALT_M_CM 0x3 | |
| /* CC - cycle counter - upper half is RW, lower half is RO */ | |
| /* CC_CTL - cycle counter control - write only */ | |
| #define CC_CTL_ENB 0x100000000 | |
| #define CC_CTL_MBZ 0xF | |
| /* MCSR - Mbox control/status register - read/write */ | |
| #define MCSR_RW 0x11 | |
| #define MCSR_V_SPE 1 | |
| #define MCSR_M_SPE 0x3 | |
| #define MCSR_NT 0x02 | |
| /* DC_PERR_STAT - data cache parity error status - read/write */ | |
| #define DC_PERR_W1C 0x3 | |
| #define DC_PERR_ERR 0x1C | |
| /* DC_MODE - data cache mode - read/write */ | |
| #define DC_MODE_RW 0xF | |
| /* MAF_MODE - miss address file mode - read/write */ | |
| #define MAF_MODE_RW 0xFF | |
| /* DC_TEST_CTL - data cache test control - read/write */ | |
| #define DC_TEST_CTL_RW 0x1FFFB | |
| /* DC_TEST_TAG - data cache test tag - read/write */ | |
| #define DC_TEST_TAG_RW 0x0000007FFFFFFF04 | |
| /* Function prototypes (TLB interface) */ | |
| void tlb_ia (uint32 flags); | |
| void tlb_is (t_uint64 va, uint32 flags); | |
| void itlb_set_asn (uint32 asn); | |
| void itlb_set_cm (uint32 mode); | |
| void itlb_set_spage (uint32 spage); | |
| TLBENT *itlb_lookup (uint32 vpn); | |
| TLBENT *itlb_load (uint32 vpn, t_uint64 pte); | |
| t_uint64 itlb_read (void); | |
| void dtlb_set_asn (uint32 asn); | |
| void dtlb_set_cm (uint32 mode); | |
| void dtlb_set_spage (uint32 spage); | |
| TLBENT *dtlb_lookup (uint32 vpn); | |
| TLBENT *dtlb_load (uint32 vpn, t_uint64 pte); | |
| t_uint64 dtlb_read (void); | |
| #endif | |