sh_arch.h revision 1.4
1 /* -*-C++-*- $NetBSD: sh_arch.h,v 1.4 2001/03/22 18:27:51 uch Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by UCHIYAMA Yasushi. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #ifndef _HPCBOOT_SH_ARCH_H_ 40 #define _HPCBOOT_SH_ARCH_H_ 41 42 #include <hpcboot.h> 43 #include <console.h> 44 #include <memory.h> 45 #include <arch.h> 46 #include <sh3/sh3.h> 47 48 template <class T> 49 inline T 50 REG_READ(paddr_t r) 51 { 52 return r & SH_P1_START ? *(T *)r : *(T *)(r | SH_P2_START); 53 } 54 55 class SHArchitecture : public Architecture { 56 protected: 57 typedef void(*boot_func_t)(struct BootArgs *, struct PageTag *); 58 59 u_int8_t reg_read_1(paddr_t reg) { 60 return REG_READ <u_int8_t>(reg); 61 } 62 u_int16_t reg_read_2(paddr_t reg) { 63 return REG_READ <u_int16_t>(reg); 64 } 65 u_int32_t reg_read_4(paddr_t reg) { 66 return REG_READ <u_int32_t>(reg); 67 } 68 void hd64461_dump(platid_t &); 69 void bsc_dump(void); 70 void pfc_dump(void); 71 void tmu_dump(void); 72 void tmu_channel_dump(int, paddr_t, paddr_t, paddr_t); 73 void icu_dump(void); 74 void icu_priority(void); 75 void icu_control(void); 76 void scif_dump(int); 77 78 public: 79 struct intr_priority { 80 const char *name; 81 paddr_t reg; 82 int shift; 83 }; 84 static struct intr_priority ipr_table[]; 85 86 private: 87 int _kmode; 88 boot_func_t _boot_func; 89 void print_stack_pointer(void); 90 91 protected: 92 93 // should be created as actual product insntnce. 94 SHArchitecture(Console *&cons, MemoryManager *&mem, boot_func_t bootfunc) 95 : _boot_func(bootfunc), Architecture(cons, mem) { 96 DPRINTF((TEXT("SH architecture.\n"))); 97 } 98 virtual ~SHArchitecture(void) { /* NO-OP */ } 99 100 public: 101 BOOL init(void); 102 BOOL setupLoader(void); 103 paddr_t setupBootInfo(Loader &); 104 105 void systemInfo(void); 106 void jump(kaddr_t info, kaddr_t pvce); 107 108 virtual void cache_flush(void) { /* NO-OP */ } 109 }; 110 111 /* 112 * SH product. setup cache flush routine and 2nd-bootloader. 113 */ 114 #define SH_(x) \ 115 class SH##x : public SHArchitecture { \ 116 public: \ 117 SH##x(Console *&cons, MemoryManager *&mem, boot_func_t bootfunc)\ 118 : SHArchitecture(cons, mem, bootfunc) { \ 119 DPRINTF((TEXT("SH") TEXT(#x) TEXT("\n"))); \ 120 } \ 121 ~SH##x(void) { /* NO-OP */ } \ 122 \ 123 void cache_flush(void) { \ 124 SH##x##_CACHE_FLUSH(); \ 125 } \ 126 \ 127 static void boot_func(struct BootArgs *, struct PageTag *); \ 128 } 129 130 /* 131 * 2nd-bootloader. make sure that PIC and its size is lower than page size. 132 * and can't call subroutine. 133 */ 134 #define SH_BOOT_FUNC_(x) \ 135 void \ 136 SH##x##::boot_func(struct BootArgs *bi, struct PageTag *p) \ 137 { \ 138 /* Disable interrupt. block exception.(TLB exception don't occur) */ \ 139 int tmp; \ 140 __asm("stc sr, r5\n" \ 141 "or r4, r5\n" \ 142 "ldc r5, sr\n", 0x500000f0, tmp); \ 143 \ 144 /* Now I run on P1, TLB flush. and disable. */ \ 145 VOLATILE_REF(MMUCR) = MMUCR_TF; \ 146 \ 147 do { \ 148 u_int32_t *dst =(u_int32_t *)p->dst; \ 149 u_int32_t *src =(u_int32_t *)p->src; \ 150 u_int32_t sz = p->sz / sizeof (int); \ 151 if (p->src == ~0) \ 152 while (sz--) \ 153 *dst++ = 0; \ 154 else \ 155 while (sz--) \ 156 *dst++ = *src++; \ 157 } while ((p =(struct PageTag *)p->next) != ~0); \ 158 \ 159 SH##x##_CACHE_FLUSH(); \ 160 \ 161 /* jump to kernel entry. */ \ 162 __asm("jmp @r7\n" \ 163 "nop\n", bi->argc, bi->argv, \ 164 bi->bootinfo, bi->kernel_entry); \ 165 } 166 167 SH_(7709); 168 SH_(7709A); 169 170 #endif // _HPCBOOT_SH_ARCH_H_ 171
Indexes created Mon Sep 29 21:09:56 GMT 2025