sh_arch.h revision 1.1
1 /* -*-C++-*- $NetBSD: sh_arch.h,v 1.1 2001/02/09 18:35:17 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_read8(paddr_t reg) { 60 return REG_READ <u_int8_t>(reg); 61 } 62 u_int16_t reg_read16(paddr_t reg) { 63 return REG_READ <u_int16_t>(reg); 64 } 65 u_int32_t reg_read(paddr_t reg) { 66 return REG_READ <u_int32_t>(reg); 67 } 68 void hd64461_framebuffer_test(void); 69 void icu_dump(void); 70 void icu_priority(void); 71 void icu_control(void); 72 void scif_dump(int); 73 74 public: 75 struct intr_priority { 76 const char *name; 77 paddr_t reg; 78 int shift; 79 }; 80 static struct intr_priority ipr_table[]; 81 82 private: 83 int _kmode; 84 boot_func_t _boot_func; 85 void print_stack_pointer(void); 86 87 protected: 88 89 // should be created as actual product insntnce. 90 SHArchitecture(Console *&cons, MemoryManager *&mem, boot_func_t bootfunc) 91 : _boot_func(bootfunc), Architecture(cons, mem) { 92 DPRINTF((TEXT("SH architecture.\n"))); 93 } 94 virtual ~SHArchitecture(void) { /* NO-OP */ } 95 96 public: 97 BOOL init(void); 98 BOOL setupLoader(void); 99 void systemInfo(void); 100 void jump(kaddr_t info, kaddr_t pvce); 101 102 virtual void cache_flush(void) { /* NO-OP */ } 103 }; 104 105 /* 106 * SH product. setup cache flush routine and 2nd-bootloader. 107 */ 108 #define SH_(x) \ 109 class SH##x : public SHArchitecture { \ 110 public: \ 111 SH##x(Console *&cons, MemoryManager *&mem, boot_func_t bootfunc)\ 112 : SHArchitecture(cons, mem, bootfunc) { \ 113 DPRINTF((TEXT("SH") TEXT(#x) TEXT("\n"))); \ 114 } \ 115 ~SH##x(void) { /* NO-OP */ } \ 116 \ 117 void cache_flush(void) { \ 118 SH##x##_CACHE_FLUSH(); \ 119 } \ 120 \ 121 static void boot_func(struct BootArgs *, struct PageTag *); \ 122 } 123 124 /* 125 * 2nd-bootloader. make sure that PIC and its size is lower than page size. 126 * and can't call subroutine. 127 */ 128 #define SH_BOOT_FUNC_(x) \ 129 void \ 130 SH##x##::boot_func(struct BootArgs *bi, struct PageTag *p) \ 131 { \ 132 /* Disable interrupt. block exception.(TLB exception don't occur) */ \ 133 int tmp; \ 134 __asm("stc sr, r5\n" \ 135 "or r4, r5\n" \ 136 "ldc r5, sr\n", 0x500000f0, tmp); \ 137 \ 138 /* Now I run on P1, TLB flush. and disable. */ \ 139 VOLATILE_REF(MMUCR) = MMUCR_TF; \ 140 \ 141 do { \ 142 u_int32_t *dst =(u_int32_t *)p->dst; \ 143 u_int32_t *src =(u_int32_t *)p->src; \ 144 u_int32_t sz = p->sz / sizeof (int); \ 145 if (p->src == ~0) \ 146 while (sz--) \ 147 *dst++ = 0; \ 148 else \ 149 while (sz--) \ 150 *dst++ = *src++; \ 151 } while ((p =(struct PageTag *)p->next) != ~0); \ 152 \ 153 SH##x##_CACHE_FLUSH(); \ 154 \ 155 /* jump to kernel entry. */ \ 156 __asm("jmp @r7\n" \ 157 "nop\n", bi->argc, bi->argv, \ 158 bi->bootinfo, bi->kernel_entry); \ 159 } 160 161 SH_(7709); 162 SH_(7709A); 163 164 #endif // _HPCBOOT_SH_ARCH_H_ 165
Indexes created Sun Sep 28 16:09:52 GMT 2025