mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-12 07:57:21 +00:00
b0c4fae44a
Fix ptrace and interrupt register overflow warning. Add missing P0 and P1 (r26 and r27) into register lists. These register are usually used in OS. Signed-off-by: Macpaul Lin <macpaul@gmail.com>
129 lines
3.4 KiB
C
129 lines
3.4 KiB
C
/*
|
|
* (C) Copyright 2002
|
|
* Sysgo Real-Time Solutions, GmbH <www.elinos.com>
|
|
* Alex Zuepke <azu@sysgo.de>
|
|
*
|
|
* Copyright (C) 2011 Andes Technology Corporation
|
|
* Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
|
|
* Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation; either version 2 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <asm/ptrace.h>
|
|
#include <asm/system.h>
|
|
#undef INTERRUPT_MODE
|
|
|
|
static int int_flag;
|
|
|
|
int irq_flags; /* needed by asm-nds32/system.h */
|
|
|
|
int GIE_STATUS(void)
|
|
{
|
|
int ret;
|
|
|
|
__asm__ __volatile__ (
|
|
"mfsr $p0, $psw\n\t"
|
|
"andi %0, %0, 0x1\n\t"
|
|
: "=r" (ret)
|
|
:
|
|
: "memory"
|
|
);
|
|
return ret;
|
|
}
|
|
|
|
#ifdef CONFIG_USE_INTERRUPT
|
|
|
|
/* enable interrupts */
|
|
void enable_interrupts(void)
|
|
{
|
|
local_irq_restore(int_flag);
|
|
}
|
|
|
|
/*
|
|
* disable interrupts
|
|
* Return TRUE if GIE is enabled before we disable it.
|
|
*/
|
|
int disable_interrupts(void)
|
|
{
|
|
|
|
int gie_ori_status;
|
|
|
|
gie_ori_status = GIE_STATUS();
|
|
|
|
local_irq_save(int_flag);
|
|
|
|
return gie_ori_status;
|
|
}
|
|
#endif
|
|
|
|
void bad_mode(void)
|
|
{
|
|
panic("Resetting CPU ...\n");
|
|
reset_cpu(0);
|
|
}
|
|
|
|
void show_regs(struct pt_regs *regs)
|
|
{
|
|
const char *processor_modes[] = {"USER", "SuperUser" , "HyperVisor"};
|
|
|
|
printf("\n");
|
|
printf("pc : [<%08lx>] sp: [<%08lx>]\n"
|
|
"lp : %08lx gp : %08lx fp : %08lx\n",
|
|
regs->ipc, regs->sp, regs->lp, regs->gp, regs->fp);
|
|
printf("D1H: %08lx D1L: %08lx D0H: %08lx D0L: %08lx\n",
|
|
regs->d1hi, regs->d1lo, regs->d0hi, regs->d0lo);
|
|
printf("r27: %08lx r26: %08lx r25: %08lx r24: %08lx\n",
|
|
regs->p1, regs->p0, regs->r[25], regs->r[24]);
|
|
printf("r23: %08lx r22: %08lx r21: %08lx r20: %08lx\n",
|
|
regs->r[23], regs->r[22], regs->r[21], regs->r[20]);
|
|
printf("r19: %08lx r18: %08lx r17: %08lx r16: %08lx\n",
|
|
regs->r[19], regs->r[18], regs->r[17], regs->r[16]);
|
|
printf("r15: %08lx r14: %08lx r13: %08lx r12: %08lx\n",
|
|
regs->r[15], regs->r[14], regs->r[13], regs->r[12]);
|
|
printf("r11: %08lx r10: %08lx r9 : %08lx r8 : %08lx\n",
|
|
regs->r[11], regs->r[10], regs->r[9], regs->r[8]);
|
|
printf("r7 : %08lx r6 : %08lx r5 : %08lx r4 : %08lx\n",
|
|
regs->r[7], regs->r[6], regs->r[5], regs->r[4]);
|
|
printf("r3 : %08lx r2 : %08lx r1 : %08lx r0 : %08lx\n",
|
|
regs->r[3], regs->r[2], regs->r[1], regs->r[0]);
|
|
printf(" Interrupts %s Mode %s\n",
|
|
interrupts_enabled(regs) ? "on" : "off",
|
|
processor_modes[processor_mode(regs)]);
|
|
}
|
|
|
|
void do_interruption(struct pt_regs *pt_regs, int EVIC_num)
|
|
{
|
|
const char *interruption_type[] = {
|
|
"Reset",
|
|
"TLB Fill",
|
|
"TLB Not Present",
|
|
"TLB Misc",
|
|
"VLPT Miss",
|
|
"Cache Parity Error",
|
|
"Debug",
|
|
"General Exception",
|
|
"External Interrupt"
|
|
};
|
|
|
|
printf("%s\n", interruption_type[EVIC_num]);
|
|
show_regs(pt_regs);
|
|
bad_mode();
|
|
}
|