153 lines
3.3 KiB
C
153 lines
3.3 KiB
C
/*
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** Copyright 2001, Travis Geiselbrecht. All rights reserved.
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** Distributed under the terms of the NewOS License.
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*/
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#ifndef _SH4_H
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#define _SH4_H
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#define P4_AREA 0xe0000000
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#define P4_AREA_LEN 0x20000000
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#define P3_AREA 0xc0000000
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#define P3_AREA_LEN (P4_AREA - P3_AREA)
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#define P2_AREA 0xa0000000
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#define P2_AREA_LEN (P3_AREA - P2_AREA)
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#define P1_AREA 0x80000000
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#define P1_AREA_LEN (P2_AREA - P1_AREA)
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#define P0_AREA 0
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#define P0_AREA_LEN (P1_AREA - P0_AREA)
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#define U0_AREA P0_AREA
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#define U0_AREA_LEN P0_AREA_LEN
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#define PHYS_MEM_START 0x0c000000
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#define PHYS_MEM_LEN 0x01000000
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#define PHYS_MEM_END (PHYS_MEM_START + PHYS_MEM_LEN)
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#define P1_PHYS_MEM_START (P1_AREA + PHYS_MEM_START)
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#define P1_PHYS_MEM_LEN PHYS_MEM_LEN
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#define P1_PHYS_MEM_END (P1_PHYS_MEM_START + P1_PHYS_MEM_LEN)
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#define PHYS_ADDR_TO_P1(x) (((unsigned int)(x)) + P1_AREA)
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#define PHYS_ADDR_TO_P2(x) (((unsigned int)(x)) + P2_AREA)
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#define P1_TO_PHYS_ADDR(x) (((unsigned int)(x)) - P1_AREA)
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#define PHYS_ADDR_SIZE (0x1fffffff+1)
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//#define PAGE_SIZE 4096
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#define PAGE_SIZE_1K 0
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#define PAGE_SIZE_4K 1
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#define PAGE_SIZE_64K 2
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#define PAGE_SIZE_1M 3
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#define PTEH 0xff000000
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#define PTEL 0xff000004
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#define PTEA 0xff000034
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#define TTB 0xff000008
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#define TEA 0xff00000c
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#define MMUCR 0xff000010
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#define UTLB 0xf6000000
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#define UTLB1 0xf7000000
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#define UTLB2 0xf3800000
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#define UTLB_ADDR_SHIFT 0x8
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#define UTLB_COUNT 64
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struct utlb_addr_array {
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unsigned int asid: 8;
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unsigned int valid: 1;
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unsigned int dirty: 1;
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unsigned int vpn: 22;
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};
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struct utlb_data_array_1 {
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unsigned int wt: 1;
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unsigned int sh: 1;
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unsigned int dirty: 1;
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unsigned int cacheability: 1;
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unsigned int psize0: 1;
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unsigned int prot_key: 2;
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unsigned int psize1: 1;
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unsigned int valid: 1;
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unsigned int unused: 1;
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unsigned int ppn: 19;
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unsigned int unused2: 3;
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};
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struct utlb_data_array_2 {
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unsigned int sa: 2;
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unsigned int tc: 1;
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unsigned int unused: 29;
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};
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struct utlb_data {
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struct utlb_addr_array a;
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struct utlb_data_array_1 da1;
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struct utlb_data_array_2 da2;
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};
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#define ITLB 0xf2000000
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#define ITLB1 0xf3000000
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#define ITLB2 0xf3800000
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#define ITLB_ADDR_SHIFT 0x8
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#define ITLB_COUNT 4
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struct itlb_addr_array {
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unsigned int asid: 8;
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unsigned int valid: 1;
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unsigned int unused: 1;
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unsigned int vpn: 22;
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};
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struct itlb_data_array_1 {
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unsigned int unused1: 1;
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unsigned int sh: 1;
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unsigned int unused2: 1;
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unsigned int cacheability: 1;
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unsigned int psize0: 1;
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unsigned int unused3: 1;
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unsigned int prot_key: 1;
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unsigned int psize1: 1;
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unsigned int valid: 1;
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unsigned int unused4: 1;
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unsigned int ppn: 19;
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unsigned int unused5: 3;
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};
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struct itlb_data_array_2 {
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unsigned int sa: 2;
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unsigned int tc: 1;
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unsigned int unused: 29;
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};
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struct itlb_data {
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struct itlb_addr_array a;
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struct itlb_data_array_1 da1;
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struct itlb_data_array_2 da2;
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};
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// timer stuff
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#define TOCR 0xffd80000
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#define TSTR 0xffd80004
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#define TCOR0 0xffd80008
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#define TCNT0 0xffd8000c
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#define TCR0 0xffd80010
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#define TCOR1 0xffd80014
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#define TCNT1 0xffd80018
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#define TCR1 0xffd8001c
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#define TCOR2 0xffd80020
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#define TCNT2 0xffd80024
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#define TCR2 0xffd80028
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#define TCPR2 0xffd8002c
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// interrupt controller stuff
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#define ICR 0xffd00000
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#define IPRA 0xffd00004
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#define IPRB 0xffd00008
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#define IPRC 0xffd0000c
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// cache stuff
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#define CCR 0xff00001c
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#define QACR0 0xff000038
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#define QACR1 0xff00003c
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#endif
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