1 /* $NetBSD: arm32_machdep.c,v 1.44 2004/03/24 15:34:47 atatat Exp $ */
4 * Copyright (c) 2004 Olivier Houchard
5 * Copyright (c) 1994-1998 Mark Brinicombe.
6 * Copyright (c) 1994 Brini.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
36 #include <sys/param.h>
38 #include <sys/systm.h>
40 #include <machine/cpu.h>
41 #include <machine/reg.h>
48 DB_SHOW_COMMAND(cp15, db_show_cp15)
52 reg = cp15_midr_get();
53 db_printf("Cpu ID: 0x%08x\n", reg);
55 db_printf("Current Cache Lvl ID: 0x%08x\n",reg);
57 reg = cp15_sctlr_get();
58 db_printf("Ctrl: 0x%08x\n",reg);
59 reg = cp15_actlr_get();
60 db_printf("Aux Ctrl: 0x%08x\n",reg);
62 reg = cp15_id_pfr0_get();
63 db_printf("Processor Feat 0: 0x%08x\n", reg);
64 reg = cp15_id_pfr1_get();
65 db_printf("Processor Feat 1: 0x%08x\n", reg);
66 reg = cp15_id_dfr0_get();
67 db_printf("Debug Feat 0: 0x%08x\n", reg);
68 reg = cp15_id_afr0_get();
69 db_printf("Auxiliary Feat 0: 0x%08x\n", reg);
70 reg = cp15_id_mmfr0_get();
71 db_printf("Memory Model Feat 0: 0x%08x\n", reg);
72 reg = cp15_id_mmfr1_get();
73 db_printf("Memory Model Feat 1: 0x%08x\n", reg);
74 reg = cp15_id_mmfr2_get();
75 db_printf("Memory Model Feat 2: 0x%08x\n", reg);
76 reg = cp15_id_mmfr3_get();
77 db_printf("Memory Model Feat 3: 0x%08x\n", reg);
78 reg = cp15_ttbr_get();
79 db_printf("TTB0: 0x%08x\n", reg);
82 DB_SHOW_COMMAND(vtop, db_show_vtop)
87 cp15_ats1cpr_set(addr);
89 db_printf("Physical address reg: 0x%08x\n",reg);
91 db_printf("show vtop <virt_addr>\n");
93 #endif /* __ARM_ARCH >= 6 */
97 fill_regs(struct thread *td, struct reg *regs)
99 struct trapframe *tf = td->td_frame;
100 bcopy(&tf->tf_r0, regs->r, sizeof(regs->r));
101 regs->r_sp = tf->tf_usr_sp;
102 regs->r_lr = tf->tf_usr_lr;
103 regs->r_pc = tf->tf_pc;
104 regs->r_cpsr = tf->tf_spsr;
109 fill_fpregs(struct thread *td, struct fpreg *regs)
111 bzero(regs, sizeof(*regs));
116 set_regs(struct thread *td, struct reg *regs)
118 struct trapframe *tf = td->td_frame;
120 bcopy(regs->r, &tf->tf_r0, sizeof(regs->r));
121 tf->tf_usr_sp = regs->r_sp;
122 tf->tf_usr_lr = regs->r_lr;
123 tf->tf_pc = regs->r_pc;
124 tf->tf_spsr &= ~PSR_FLAGS;
125 tf->tf_spsr |= regs->r_cpsr & PSR_FLAGS;
130 set_fpregs(struct thread *td, struct fpreg *regs)
136 fill_dbregs(struct thread *td, struct dbreg *regs)
139 bzero(regs, sizeof(*regs));
144 set_dbregs(struct thread *td, struct dbreg *regs)