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sh_dev.cpp revision 1.1.18.2
      1 /* -*-C++-*-	$NetBSD: sh_dev.cpp,v 1.1.18.2 2004/09/18 14:34:46 skrll Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2002 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 #include <hpcboot.h>
     40 #include <hpcmenu.h>
     41 #include <console.h>
     42 
     43 #include <sh3/sh_mmu.h>
     44 #include <sh3/dev/sh_dev.h>
     45 
     46 #include <sh3/dev/sh.h>
     47 
     48 SHdev::SHdev()
     49 {
     50 
     51 	_menu = &HpcMenuInterface::Instance();
     52 	_cons = Console::Instance();
     53 }
     54 
     55 void
     56 SHdev::dump(u_int8_t bit)
     57 {
     58 	u_int32_t reg = 0;
     59 	int kmode;
     60 
     61 	DPRINTF((TEXT("DEBUG BIT: ")));
     62 	bitdisp(bit);
     63 
     64 	if (bit & DUMP_CPU) {
     65 		// Cache
     66 		MemoryManager_SHMMU::CacheDump();
     67 		// MMU
     68 		MemoryManager_SHMMU::MMUDump();
     69 		// Status register
     70 		kmode = SetKMode(1);
     71 		__asm(
     72 			"stc	sr, r0\n"
     73 			"mov.l	r0, @r4", &reg);
     74 		SetKMode(kmode);
     75 		DPRINTF((TEXT("SR: ")));
     76 		bitdisp(reg);
     77 	}
     78 
     79 	if (bit & DUMP_DEV) {
     80 		kmode = SetKMode(1);
     81 		print_stack_pointer();
     82 		// SCIF
     83 		scif_dump(HPC_PREFERENCE.serial_speed);
     84 		SetKMode(kmode);
     85 	}
     86 }
     87 
     88 void
     89 SHdev::print_stack_pointer(void)
     90 {
     91 	int sp;
     92 
     93 	__asm("mov.l	r15, @r4", &sp);
     94 	DPRINTF((TEXT("SP 0x%08x\n"), sp));
     95 }
     96 
     97 //
     98 // SH3/SH4 common functions.
     99 //
    100 // SCIF
    101 void
    102 SHdev::scif_dump(int bps)
    103 {
    104 	u_int16_t r16;
    105 	u_int32_t r;
    106 	int n;
    107 
    108 	print_stack_pointer();
    109 	DPRINTF((TEXT("<<<SCIF>>>\n")));
    110 	/* mode */
    111 	r = _scif_reg_read(SH3_SCSMR2);
    112 	n = 1 << ((r & SCSMR2_CKS) << 1);
    113 	DPRINTF((TEXT("mode: %dbit %S-parity %d stop bit clock PCLOCK/%d\n"),
    114 	    r & SCSMR2_CHR ? 7 : 8,
    115 	    r & SCSMR2_PE  ? r & SCSMR2_OE ? "odd" : "even" : "non",
    116 	    r & SCSMR2_STOP ? 2 : 1,
    117 	    n));
    118 	/* bit rate */
    119 	r = _scif_reg_read(SH3_SCBRR2);
    120 	DPRINTF((TEXT("SCBRR=%d(%dbps) estimated PCLOCK %dHz\n"), r, bps,
    121 	    32 * bps *(r + 1) * n));
    122 
    123 	/* control */
    124 #define	DBG_BIT_PRINT(r, m)	_dbg_bit_print(r, SCSCR2_##m, #m)
    125 	DPRINTF((TEXT("SCSCR2: ")));
    126 	r = _scif_reg_read(SH3_SCSCR2);
    127 	DBG_BIT_PRINT(r, TIE);
    128 	DBG_BIT_PRINT(r, RIE);
    129 	DBG_BIT_PRINT(r, TE);
    130 	DBG_BIT_PRINT(r, RE);
    131 	DPRINTF((TEXT("CKE=%d\n"), r & SCSCR2_CKE));
    132 #undef	DBG_BIT_PRINT
    133 
    134 	/* status */
    135 #define	DBG_BIT_PRINT(r, m)	_dbg_bit_print(r, SCSSR2_##m, #m)
    136 	r16 = _reg_read_2(SH3_SCSSR2);
    137 	DPRINTF((TEXT("SCSSR2: ")));
    138 	DBG_BIT_PRINT(r16, ER);
    139 	DBG_BIT_PRINT(r16, TEND);
    140 	DBG_BIT_PRINT(r16, TDFE);
    141 	DBG_BIT_PRINT(r16, BRK);
    142 	DBG_BIT_PRINT(r16, FER);
    143 	DBG_BIT_PRINT(r16, PER);
    144 	DBG_BIT_PRINT(r16, RDF);
    145 	DBG_BIT_PRINT(r16, DR);
    146 #undef	DBG_BIT_PRINT
    147 
    148 	/* FIFO control */
    149 #define	DBG_BIT_PRINT(r, m)	_dbg_bit_print(r, SCFCR2_##m, #m)
    150 	r = _scif_reg_read(SH3_SCFCR2);
    151 	DPRINTF((TEXT("SCFCR2: ")));
    152 	DBG_BIT_PRINT(r, RTRG1);
    153 	DBG_BIT_PRINT(r, RTRG0);
    154 	DBG_BIT_PRINT(r, TTRG1);
    155 	DBG_BIT_PRINT(r, TTRG0);
    156 	DBG_BIT_PRINT(r, MCE);
    157 	DBG_BIT_PRINT(r, TFRST);
    158 	DBG_BIT_PRINT(r, RFRST);
    159 	DBG_BIT_PRINT(r, LOOP);
    160 	DPRINTF((TEXT("\n")));
    161 #undef	DBG_BIT_PRINT
    162 }
    163 
    164 // INTC
    165 void
    166 SHdev::icu_dump_priority(struct intr_priority *tab)
    167 {
    168 
    169 	DPRINTF((TEXT("<<<INTC>>>\n")));
    170 
    171 	DPRINTF((TEXT("----interrupt priority----\n")));
    172 	for (; tab->name; tab++) {
    173 		DPRINTF((TEXT("%-10S %d\n"), tab->name,
    174 		    (_reg_read_2(tab->reg) >> tab->shift) & SH_IPR_MASK));
    175 	}
    176 	DPRINTF((TEXT("--------------------------\n")));
    177 }
    178 
    179