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openwrtv4/package/kernel/lantiq/ltq-ptm/src/ifxmips_ptm_test.c

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add ltq-ptm SVN-Revision: 34690
2012-12-15 02:00:13 +00:00
/******************************************************************************
**
** FILE NAME : ifxmips_ptm_vdsl.c
** PROJECT : UEIP
** MODULES : PTM
**
** DATE : 7 Jul 2009
** AUTHOR : Xu Liang
** DESCRIPTION : PTM driver common source file (core functions for VR9)
** COPYRIGHT : Copyright (c) 2006
** Infineon Technologies AG
** Am Campeon 1-12, 85579 Neubiberg, Germany
**
** 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.
**
** HISTORY
** $Date $Author $Comment
** 07 JUL 2009 Xu Liang Init Version
*******************************************************************************/
#ifdef CONFIG_IFX_PTM_TEST_PROC
/*
* ####################################
* Head File
* ####################################
*/
/*
* Common Head File
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/version.h>
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/proc_fs.h>
#include <linux/init.h>
#include <linux/ioctl.h>
#include <linux/etherdevice.h>
/*
* Chip Specific Head File
*/
#include <asm/ifx/ifx_types.h>
#include <asm/ifx/ifx_regs.h>
#include <asm/ifx/common_routines.h>
#include "ifxmips_ptm_common.h"
#include "ifxmips_ptm_ppe_common.h"
/*
* ####################################
* Definition
* ####################################
*/
/*
* ####################################
* Declaration
* ####################################
*/
/*
* Proc File Functions
*/
static inline void proc_file_create(void);
static inline void proc_file_delete(void);
/*
* Proc Help Functions
*/
static int proc_write_mem(struct file *, const char *, unsigned long, void *);
static int proc_read_pp32(char *, char **, off_t, int, int *, void *);
static int proc_write_pp32(struct file *, const char *, unsigned long, void *);
static int stricmp(const char *, const char *);
static int strincmp(const char *, const char *, int);
static int get_token(char **, char **, int *, int *);
static int get_number(char **, int *, int);
static inline void ignore_space(char **, int *);
/*
* ####################################
* Local Variable
* ####################################
*/
/*
* ####################################
* Local Function
* ####################################
*/
static inline void proc_file_create(void)
{
struct proc_dir_entry *res;
res = create_proc_entry("driver/ifx_ptm/mem",
0,
NULL);
if ( res != NULL )
res->write_proc = proc_write_mem;
else
printk("%s:%s:%d: failed to create proc mem!", __FILE__, __func__, __LINE__);
res = create_proc_entry("driver/ifx_ptm/pp32",
0,
NULL);
if ( res != NULL ) {
res->read_proc = proc_read_pp32;
res->write_proc = proc_write_pp32;
}
else
printk("%s:%s:%d: failed to create proc pp32!", __FILE__, __func__, __LINE__);
}
static inline void proc_file_delete(void)
{
remove_proc_entry("driver/ifx_ptm/pp32", NULL);
remove_proc_entry("driver/ifx_ptm/mem", NULL);
}
static inline unsigned long sb_addr_to_fpi_addr_convert(unsigned long sb_addr)
{
#define PP32_SB_ADDR_END 0xFFFF
if ( sb_addr < PP32_SB_ADDR_END) {
return (unsigned long ) SB_BUFFER(sb_addr);
}
else {
return sb_addr;
}
}
static int proc_write_mem(struct file *file, const char *buf, unsigned long count, void *data)
{
char *p1, *p2;
int len;
int colon;
unsigned long *p;
char local_buf[1024];
int i, n, l;
len = sizeof(local_buf) < count ? sizeof(local_buf) - 1 : count;
len = len - copy_from_user(local_buf, buf, len);
local_buf[len] = 0;
p1 = local_buf;
colon = 1;
while ( get_token(&p1, &p2, &len, &colon) )
{
if ( stricmp(p1, "w") == 0 || stricmp(p1, "write") == 0 || stricmp(p1, "r") == 0 || stricmp(p1, "read") == 0 )
break;
p1 = p2;
colon = 1;
}
if ( *p1 == 'w' )
{
ignore_space(&p2, &len);
p = (unsigned long *)get_number(&p2, &len, 1);
p = (unsigned long *)sb_addr_to_fpi_addr_convert( (unsigned long) p);
if ( (u32)p >= KSEG0 )
while ( 1 )
{
ignore_space(&p2, &len);
if ( !len || !((*p2 >= '0' && *p2 <= '9') || (*p2 >= 'a' && *p2 <= 'f') || (*p2 >= 'A' && *p2 <= 'F')) )
break;
*p++ = (u32)get_number(&p2, &len, 1);
}
}
else if ( *p1 == 'r' )
{
ignore_space(&p2, &len);
p = (unsigned long *)get_number(&p2, &len, 1);
p = (unsigned long *)sb_addr_to_fpi_addr_convert( (unsigned long) p);
if ( (u32)p >= KSEG0 )
{
ignore_space(&p2, &len);
n = (int)get_number(&p2, &len, 0);
if ( n )
{
char str[32] = {0};
char *pch = str;
int k;
u32 data;
char c;
n += (l = ((int)p >> 2) & 0x03);
p = (unsigned long *)((u32)p & ~0x0F);
for ( i = 0; i < n; i++ )
{
if ( (i & 0x03) == 0 )
{
printk("%08X:", (u32)p);
pch = str;
}
if ( i < l )
{
printk(" ");
sprintf(pch, " ");
}
else
{
data = (u32)*p;
printk(" %08X", data);
for ( k = 0; k < 4; k++ )
{
c = ((char*)&data)[k];
pch[k] = c < ' ' ? '.' : c;
}
}
p++;
pch += 4;
if ( (i & 0x03) == 0x03 )
{
pch[0] = 0;
printk(" ; %s\n", str);
}
}
if ( (n & 0x03) != 0x00 )
{
for ( k = 4 - (n & 0x03); k > 0; k-- )
printk(" ");
pch[0] = 0;
printk(" ; %s\n", str);
}
}
}
}
return count;
}
#ifdef CONFIG_DANUBE
static int proc_read_pp32(char *page, char **start, off_t off, int count, int *eof, void *data)
{
static const char *halt_stat[] = {
"reset",
"break in line",
"stop",
"step",
"code",
"data0",
"data1"
};
static const char *brk_src_data[] = {
"off",
"read",
"write",
"read/write",
"write_equal",
"N/A",
"N/A",
"N/A"
};
static const char *brk_src_code[] = {
"off",
"on"
};
int len = 0;
int cur_task;
int i, j;
int k;
unsigned long bit;
len += sprintf(page + off + len, "Task No %d, PC %04x\n", *PP32_DBG_TASK_NO & 0x03, *PP32_DBG_CUR_PC & 0xFFFF);
if ( !(*PP32_HALT_STAT & 0x01) )
len += sprintf(page + off + len, " Halt State: Running\n");
else
{
len += sprintf(page + off + len, " Halt State: Stopped");
k = 0;
for ( bit = 2, i = 0; bit <= (1 << 7); bit <<= 1, i++ )
if ( (*PP32_HALT_STAT & bit) )
{
if ( !k )
{
len += sprintf(page + off + len, ", ");
k++;
}
else
len += sprintf(page + off + len, " | ");
len += sprintf(page + off + len, halt_stat[i]);
}
len += sprintf(page + off + len, "\n");
cur_task = *PP32_DBG_TASK_NO & 0x03;
len += sprintf(page + off + len, "General Purpose Register (Task %d):\n", cur_task);
for ( i = 0; i < 4; i++ )
{
for ( j = 0; j < 4; j++ )
len += sprintf(page + off + len, " %2d: %08x", i + j * 4, *PP32_DBG_TASK_GPR(cur_task, i + j * 4));
len += sprintf(page + off + len, "\n");
}
}
len += sprintf(page + off + len, " Break Src: data1 - %s, data0 - %s, pc3 - %s, pc2 - %s, pc1 - %s, pc0 - %s\n",
brk_src_data[(*PP32_BRK_SRC >> 11) & 0x07], brk_src_data[(*PP32_BRK_SRC >> 8) & 0x07], brk_src_code[(*PP32_BRK_SRC >> 3) & 0x01], brk_src_code[(*PP32_BRK_SRC >> 2) & 0x01], brk_src_code[(*PP32_BRK_SRC >> 1) & 0x01], brk_src_code[*PP32_BRK_SRC & 0x01]);
for ( i = 0; i < 4; i++ )
len += sprintf(page + off + len, " pc%d: %04x - %04x\n", i, *PP32_DBG_PC_MIN(i), *PP32_DBG_PC_MAX(i));
for ( i = 0; i < 2; i++ )
len += sprintf(page + off + len, " data%d: %04x - %04x (%08x)\n", i, *PP32_DBG_DATA_MIN(i), *PP32_DBG_DATA_MAX(i), *PP32_DBG_DATA_VAL(i));
*eof = 1;
return len;
}
static int proc_write_pp32(struct file *file, const char *buf, unsigned long count, void *data)
{
char str[2048];
char *p;
int len, rlen;
int id;
u32 addr;
u32 cmd;
len = count < sizeof(str) ? count : sizeof(str) - 1;
rlen = len - copy_from_user(str, buf, len);
while ( rlen && str[rlen - 1] <= ' ' )
rlen--;
str[rlen] = 0;
for ( p = str; *p && *p <= ' '; p++, rlen-- );
if ( !*p )
{
return 0;
}
if ( stricmp(str, "start") == 0 )
*PP32_DBG_CTRL = DBG_CTRL_START_SET(1);
else if ( stricmp(str, "stop") == 0 )
*PP32_DBG_CTRL = DBG_CTRL_STOP_SET(1);
else if ( stricmp(str, "step") == 0 )
*PP32_DBG_CTRL = DBG_CTRL_STEP_SET(1);
else if ( strincmp(p, "pc", 2) == 0 && p[2] >= '0' && p[2] <= '3' && p[3] == ' ' )
{
id = (int)(p[2] - '0');
p += 4;
rlen -= 4;
*PP32_BRK_SRC &= ~PP32_BRK_SRC_PC(id);
if ( stricmp(p, "off") != 0 )
{
ignore_space(&p, &rlen);
*PP32_DBG_PC_MIN(id) = *PP32_DBG_PC_MAX(id) = get_number(&p, &rlen, 1);
ignore_space(&p, &rlen);
if ( rlen > 0 )
{
addr = get_number(&p, &rlen, 1);
if ( addr >= *PP32_DBG_PC_MIN(id) )
*PP32_DBG_PC_MAX(id) = addr;
else
*PP32_DBG_PC_MIN(id) = addr;
}
*PP32_BRK_SRC |= PP32_BRK_SRC_PC(id);
}
}
else if ( strincmp(p, "daddr", 5) == 0 && p[5] >= '0' && p[5] <= '1' && p[6] == ' ' )
{
id = (int)(p[5] - '0');
p += 7;
rlen -= 7;
*PP32_BRK_SRC &= ~PP32_BRK_SRC_DATA(id, 7);
if ( stricmp(p, "off") != 0 )
{
ignore_space(&p, &rlen);
*PP32_DBG_DATA_MIN(id) = *PP32_DBG_DATA_MAX(id) = get_number(&p, &rlen, 1);
cmd = 1;
ignore_space(&p, &rlen);
if ( rlen > 0 && ((*p >= '0' && *p <= '9') || (*p >= 'a' && *p <= 'f') || (*p >= 'A' && *p <= 'F')) )
{
addr = get_number(&p, &rlen, 1);
if ( addr >= *PP32_DBG_PC_MIN(id) )
*PP32_DBG_DATA_MAX(id) = addr;
else
*PP32_DBG_DATA_MIN(id) = addr;
ignore_space(&p, &rlen);
}
if ( *p == 'w' )
cmd = 2;
else if ( *p == 'r' && p[1] == 'w' )
{
cmd = 3;
p++;
rlen--;
}
p++;
rlen--;
if ( rlen > 0 )
{
ignore_space(&p, &rlen);
if ( (*p >= '0' && *p <= '9') || (*p >= 'a' && *p <= 'f') || (*p >= 'A' && *p <= 'F'))
{
*PP32_DBG_DATA_VAL(id) = get_number(&p, &rlen, 1);
cmd = 4;
}
}
*PP32_BRK_SRC |= PP32_BRK_SRC_DATA(id, cmd);
}
}
else
{
printk("echo \"<command>\" > /proc/driver/ifx_ptm/pp32\n");
printk(" command:\n");
printk(" start - run pp32\n");
printk(" stop - stop pp32\n");
printk(" step - run pp32 with one step only\n");
printk(" pc0 - pc0 <addr_min [addr_max]>/off, set break point PC0\n");
printk(" pc1 - pc1 <addr_min [addr_max]>/off, set break point PC1\n");
printk(" pc2 - pc2 <addr_min [addr_max]>/off, set break point PC2\n");
printk(" pc3 - pc3 <addr_min [addr_max]>/off, set break point PC3\n");
printk(" daddr0 - daddr0 <addr_min [addr_max] r/w/rw [value]>/off, set break point data address 0\n");
printk(" daddr1 - daddr1 <addr_min [addr_max] r/w/rw [value]>/off, set break point data address 1\n");
printk(" help - print this screen\n");
}
return count;
}
#else
static int proc_read_pp32(char *page, char **start, off_t off, int count, int *eof, void *data)
{
static const char *stron = " on";
static const char *stroff = "off";
int len = 0;
int cur_context;
int f_stopped;
char str[256];
char strlength;
int i, j;
int pp32;
for ( pp32 = 0; pp32 < NUM_OF_PP32; pp32++ )
{
f_stopped = 0;
len += sprintf(page + off + len, "===== pp32 core %d =====\n", pp32);
#ifdef CONFIG_VR9
if ( (*PP32_FREEZE & (1 << (pp32 << 4))) != 0 )
{
sprintf(str, "freezed");
f_stopped = 1;
}
#else
if ( 0 )
{
}
#endif
else if ( PP32_CPU_USER_STOPPED(pp32) || PP32_CPU_USER_BREAKIN_RCV(pp32) || PP32_CPU_USER_BREAKPOINT_MET(pp32) )
{
strlength = 0;
if ( PP32_CPU_USER_STOPPED(pp32) )
strlength += sprintf(str + strlength, "stopped");
if ( PP32_CPU_USER_BREAKPOINT_MET(pp32) )
strlength += sprintf(str + strlength, strlength ? " | breakpoint" : "breakpoint");
if ( PP32_CPU_USER_BREAKIN_RCV(pp32) )
strlength += sprintf(str + strlength, strlength ? " | breakin" : "breakin");
f_stopped = 1;
}
else if ( PP32_CPU_CUR_PC(pp32) == PP32_CPU_CUR_PC(pp32) )
{
unsigned int pc_value[64] = {0};
f_stopped = 1;
for ( i = 0; f_stopped && i < NUM_ENTITY(pc_value); i++ )
{
pc_value[i] = PP32_CPU_CUR_PC(pp32);
for ( j = 0; j < i; j++ )
if ( pc_value[j] != pc_value[i] )
{
f_stopped = 0;
break;
}
}
if ( f_stopped )
sprintf(str, "hang");
}
if ( !f_stopped )
sprintf(str, "running");
cur_context = PP32_BRK_CUR_CONTEXT(pp32);
len += sprintf(page + off + len, "Context: %d, PC: 0x%04x, %s\n", cur_context, PP32_CPU_CUR_PC(pp32), str);
if ( PP32_CPU_USER_BREAKPOINT_MET(pp32) )
{
strlength = 0;
if ( PP32_BRK_PC_MET(pp32, 0) )
strlength += sprintf(str + strlength, "pc0");
if ( PP32_BRK_PC_MET(pp32, 1) )
strlength += sprintf(str + strlength, strlength ? " | pc1" : "pc1");
if ( PP32_BRK_DATA_ADDR_MET(pp32, 0) )
strlength += sprintf(str + strlength, strlength ? " | daddr0" : "daddr0");
if ( PP32_BRK_DATA_ADDR_MET(pp32, 1) )
strlength += sprintf(str + strlength, strlength ? " | daddr1" : "daddr1");
if ( PP32_BRK_DATA_VALUE_RD_MET(pp32, 0) )
{
strlength += sprintf(str + strlength, strlength ? " | rdval0" : "rdval0");
if ( PP32_BRK_DATA_VALUE_RD_LO_EQ(pp32, 0) )
{
if ( PP32_BRK_DATA_VALUE_RD_GT_EQ(pp32, 0) )
strlength += sprintf(str + strlength, " ==");
else
strlength += sprintf(str + strlength, " <=");
}
else if ( PP32_BRK_DATA_VALUE_RD_GT_EQ(pp32, 0) )
strlength += sprintf(str + strlength, " >=");
}
if ( PP32_BRK_DATA_VALUE_RD_MET(pp32, 1) )
{
strlength += sprintf(str + strlength, strlength ? " | rdval1" : "rdval1");
if ( PP32_BRK_DATA_VALUE_RD_LO_EQ(pp32, 1) )
{
if ( PP32_BRK_DATA_VALUE_RD_GT_EQ(pp32, 1) )
strlength += sprintf(str + strlength, " ==");
else
strlength += sprintf(str + strlength, " <=");
}
else if ( PP32_BRK_DATA_VALUE_RD_GT_EQ(pp32, 1) )
strlength += sprintf(str + strlength, " >=");
}
if ( PP32_BRK_DATA_VALUE_WR_MET(pp32, 0) )
{
strlength += sprintf(str + strlength, strlength ? " | wtval0" : "wtval0");
if ( PP32_BRK_DATA_VALUE_WR_LO_EQ(pp32, 0) )
{
if ( PP32_BRK_DATA_VALUE_WR_GT_EQ(pp32, 0) )
strlength += sprintf(str + strlength, " ==");
else
strlength += sprintf(str + strlength, " <=");
}
else if ( PP32_BRK_DATA_VALUE_WR_GT_EQ(pp32, 0) )
strlength += sprintf(str + strlength, " >=");
}
if ( PP32_BRK_DATA_VALUE_WR_MET(pp32, 1) )
{
strlength += sprintf(str + strlength, strlength ? " | wtval1" : "wtval1");
if ( PP32_BRK_DATA_VALUE_WR_LO_EQ(pp32, 1) )
{
if ( PP32_BRK_DATA_VALUE_WR_GT_EQ(pp32, 1) )
strlength += sprintf(str + strlength, " ==");
else
strlength += sprintf(str + strlength, " <=");
}
else if ( PP32_BRK_DATA_VALUE_WR_GT_EQ(pp32, 1) )
strlength += sprintf(str + strlength, " >=");
}
len += sprintf(page + off + len, "break reason: %s\n", str);
}
if ( f_stopped )
{
len += sprintf(page + off + len, "General Purpose Register (Context %d):\n", cur_context);
for ( i = 0; i < 4; i++ )
{
for ( j = 0; j < 4; j++ )
len += sprintf(page + off + len, " %2d: %08x", i + j * 4, *PP32_GP_CONTEXTi_REGn(pp32, cur_context, i + j * 4));
len += sprintf(page + off + len, "\n");
}
}
len += sprintf(page + off + len, "break out on: break in - %s, stop - %s\n",
PP32_CTRL_OPT_BREAKOUT_ON_BREAKIN(pp32) ? stron : stroff,
PP32_CTRL_OPT_BREAKOUT_ON_STOP(pp32) ? stron : stroff);
len += sprintf(page + off + len, " stop on: break in - %s, break point - %s\n",
PP32_CTRL_OPT_STOP_ON_BREAKIN(pp32) ? stron : stroff,
PP32_CTRL_OPT_STOP_ON_BREAKPOINT(pp32) ? stron : stroff);
len += sprintf(page + off + len, "breakpoint:\n");
len += sprintf(page + off + len, " pc0: 0x%08x, %s\n", *PP32_BRK_PC(pp32, 0), PP32_BRK_GRPi_PCn(pp32, 0, 0) ? "group 0" : "off");
len += sprintf(page + off + len, " pc1: 0x%08x, %s\n", *PP32_BRK_PC(pp32, 1), PP32_BRK_GRPi_PCn(pp32, 1, 1) ? "group 1" : "off");
len += sprintf(page + off + len, " daddr0: 0x%08x, %s\n", *PP32_BRK_DATA_ADDR(pp32, 0), PP32_BRK_GRPi_DATA_ADDRn(pp32, 0, 0) ? "group 0" : "off");
len += sprintf(page + off + len, " daddr1: 0x%08x, %s\n", *PP32_BRK_DATA_ADDR(pp32, 1), PP32_BRK_GRPi_DATA_ADDRn(pp32, 1, 1) ? "group 1" : "off");
len += sprintf(page + off + len, " rdval0: 0x%08x\n", *PP32_BRK_DATA_VALUE_RD(pp32, 0));
len += sprintf(page + off + len, " rdval1: 0x%08x\n", *PP32_BRK_DATA_VALUE_RD(pp32, 1));
len += sprintf(page + off + len, " wrval0: 0x%08x\n", *PP32_BRK_DATA_VALUE_WR(pp32, 0));
len += sprintf(page + off + len, " wrval1: 0x%08x\n", *PP32_BRK_DATA_VALUE_WR(pp32, 1));
}
*eof = 1;
return len;
}
static int proc_write_pp32(struct file *file, const char *buf, unsigned long count, void *data)
{
char str[2048];
char *p;
int len, rlen;
int pp32 = 0;
u32 addr;
len = count < sizeof(str) ? count : sizeof(str) - 1;
rlen = len - copy_from_user(str, buf, len);
while ( rlen && str[rlen - 1] <= ' ' )
rlen--;
str[rlen] = 0;
for ( p = str; *p && *p <= ' '; p++, rlen-- );
if ( !*p )
return 0;
if ( strincmp(p, "pp32 ", 5) == 0 )
{
p += 5;
rlen -= 5;
while ( rlen > 0 && *p >= '0' && *p <= '9' )
{
pp32 += *p - '0';
p++;
rlen--;
}
while ( rlen > 0 && *p && *p <= ' ' )
{
p++;
rlen--;
}
if ( pp32 >= NUM_OF_PP32 )
{
printk(KERN_ERR __FILE__ ":%d:%s: incorrect pp32 index - %d\n", __LINE__, __FUNCTION__, pp32);
return count;
}
}
if ( stricmp(p, "start") == 0 )
{
#ifdef CONFIG_AMAZON_SE
*PP32_CTRL_CMD(pp32) = 0;
#endif
*PP32_CTRL_CMD(pp32) = PP32_CTRL_CMD_RESTART;
}
else if ( stricmp(p, "stop") == 0 )
{
#ifdef CONFIG_AMAZON_SE
*PP32_CTRL_CMD(pp32) = 0;
#endif
*PP32_CTRL_CMD(pp32) = PP32_CTRL_CMD_STOP;
}
else if ( stricmp(p, "step") == 0 )
{
#ifdef CONFIG_AMAZON_SE
*PP32_CTRL_CMD(pp32) = 0;
#endif
*PP32_CTRL_CMD(pp32) = PP32_CTRL_CMD_STEP;
}
#ifdef CONFIG_VR9
else if ( stricmp(p, "unfreeze") == 0 )
*PP32_FREEZE &= ~(1 << (pp32 << 4));
else if ( stricmp(p, "freeze") == 0 )
*PP32_FREEZE |= 1 << (pp32 << 4);
#else
else if ( stricmp(p, "unfreeze") == 0 )
*PP32_DBG_CTRL(pp32) = DBG_CTRL_RESTART;
else if ( stricmp(p, "freeze") == 0 )
*PP32_DBG_CTRL(pp32) = DBG_CTRL_STOP;
#endif
else if ( strincmp(p, "pc0 ", 4) == 0 )
{
p += 4;
rlen -= 4;
if ( stricmp(p, "off") == 0 )
{
*PP32_BRK_TRIG(pp32) = PP32_BRK_GRPi_PCn_OFF(0, 0);
*PP32_BRK_PC_MASK(pp32, 0) = PP32_BRK_CONTEXT_MASK_EN;
*PP32_BRK_PC(pp32, 0) = 0;
}
else
{
addr = get_number(&p, &rlen, 1);
*PP32_BRK_PC(pp32, 0) = addr;
*PP32_BRK_PC_MASK(pp32, 0) = PP32_BRK_CONTEXT_MASK_EN | PP32_BRK_CONTEXT_MASK(0) | PP32_BRK_CONTEXT_MASK(1) | PP32_BRK_CONTEXT_MASK(2) | PP32_BRK_CONTEXT_MASK(3);
*PP32_BRK_TRIG(pp32) = PP32_BRK_GRPi_PCn_ON(0, 0);
}
}
else if ( strincmp(p, "pc1 ", 4) == 0 )
{
p += 4;
rlen -= 4;
if ( stricmp(p, "off") == 0 )
{
*PP32_BRK_TRIG(pp32) = PP32_BRK_GRPi_PCn_OFF(1, 1);
*PP32_BRK_PC_MASK(pp32, 1) = PP32_BRK_CONTEXT_MASK_EN;
*PP32_BRK_PC(pp32, 1) = 0;
}
else
{
addr = get_number(&p, &rlen, 1);
*PP32_BRK_PC(pp32, 1) = addr;
*PP32_BRK_PC_MASK(pp32, 1) = PP32_BRK_CONTEXT_MASK_EN | PP32_BRK_CONTEXT_MASK(0) | PP32_BRK_CONTEXT_MASK(1) | PP32_BRK_CONTEXT_MASK(2) | PP32_BRK_CONTEXT_MASK(3);
*PP32_BRK_TRIG(pp32) = PP32_BRK_GRPi_PCn_ON(1, 1);
}
}
else if ( strincmp(p, "daddr0 ", 7) == 0 )
{
p += 7;
rlen -= 7;
if ( stricmp(p, "off") == 0 )
{
*PP32_BRK_TRIG(pp32) = PP32_BRK_GRPi_DATA_ADDRn_OFF(0, 0);
*PP32_BRK_DATA_ADDR_MASK(pp32, 0) = PP32_BRK_CONTEXT_MASK_EN;
*PP32_BRK_DATA_ADDR(pp32, 0) = 0;
}
else
{
addr = get_number(&p, &rlen, 1);
*PP32_BRK_DATA_ADDR(pp32, 0) = addr;
*PP32_BRK_DATA_ADDR_MASK(pp32, 0) = PP32_BRK_CONTEXT_MASK_EN | PP32_BRK_CONTEXT_MASK(0) | PP32_BRK_CONTEXT_MASK(1) | PP32_BRK_CONTEXT_MASK(2) | PP32_BRK_CONTEXT_MASK(3);
*PP32_BRK_TRIG(pp32) = PP32_BRK_GRPi_DATA_ADDRn_ON(0, 0);
}
}
else if ( strincmp(p, "daddr1 ", 7) == 0 )
{
p += 7;
rlen -= 7;
if ( stricmp(p, "off") == 0 )
{
*PP32_BRK_TRIG(pp32) = PP32_BRK_GRPi_DATA_ADDRn_OFF(1, 1);
*PP32_BRK_DATA_ADDR_MASK(pp32, 1) = PP32_BRK_CONTEXT_MASK_EN;
*PP32_BRK_DATA_ADDR(pp32, 1) = 0;
}
else
{
addr = get_number(&p, &rlen, 1);
*PP32_BRK_DATA_ADDR(pp32, 1) = addr;
*PP32_BRK_DATA_ADDR_MASK(pp32, 1) = PP32_BRK_CONTEXT_MASK_EN | PP32_BRK_CONTEXT_MASK(0) | PP32_BRK_CONTEXT_MASK(1) | PP32_BRK_CONTEXT_MASK(2) | PP32_BRK_CONTEXT_MASK(3);
*PP32_BRK_TRIG(pp32) = PP32_BRK_GRPi_DATA_ADDRn_ON(1, 1);
}
}
else
{
printk("echo \"<command>\" > /proc/driver/ifx_ptm/pp32\n");
printk(" command:\n");
printk(" unfreeze - unfreeze pp32\n");
printk(" freeze - freeze pp32\n");
printk(" start - run pp32\n");
printk(" stop - stop pp32\n");
printk(" step - run pp32 with one step only\n");
printk(" pc0 - pc0 <addr>/off, set break point PC0\n");
printk(" pc1 - pc1 <addr>/off, set break point PC1\n");
printk(" daddr0 - daddr0 <addr>/off, set break point data address 0\n");
printk(" daddr1 - daddr1 <addr>/off, set break point data address 1\n");
printk(" help - print this screen\n");
}
if ( *PP32_BRK_TRIG(pp32) )
*PP32_CTRL_OPT(pp32) = PP32_CTRL_OPT_STOP_ON_BREAKPOINT_ON;
else
*PP32_CTRL_OPT(pp32) = PP32_CTRL_OPT_STOP_ON_BREAKPOINT_OFF;
return count;
}
#endif
static int stricmp(const char *p1, const char *p2)
{
int c1, c2;
while ( *p1 && *p2 )
{
c1 = *p1 >= 'A' && *p1 <= 'Z' ? *p1 + 'a' - 'A' : *p1;
c2 = *p2 >= 'A' && *p2 <= 'Z' ? *p2 + 'a' - 'A' : *p2;
if ( (c1 -= c2) )
return c1;
p1++;
p2++;
}
return *p1 - *p2;
}
static int strincmp(const char *p1, const char *p2, int n)
{
int c1 = 0, c2;
while ( n && *p1 && *p2 )
{
c1 = *p1 >= 'A' && *p1 <= 'Z' ? *p1 + 'a' - 'A' : *p1;
c2 = *p2 >= 'A' && *p2 <= 'Z' ? *p2 + 'a' - 'A' : *p2;
if ( (c1 -= c2) )
return c1;
p1++;
p2++;
n--;
}
return n ? *p1 - *p2 : c1;
}
static int get_token(char **p1, char **p2, int *len, int *colon)
{
int tlen = 0;
while ( *len && !((**p1 >= 'A' && **p1 <= 'Z') || (**p1 >= 'a' && **p1<= 'z')) )
{
(*p1)++;
(*len)--;
}
if ( !*len )
return 0;
if ( *colon )
{
*colon = 0;
*p2 = *p1;
while ( *len && **p2 > ' ' && **p2 != ',' )
{
if ( **p2 == ':' )
{
*colon = 1;
break;
}
(*p2)++;
(*len)--;
tlen++;
}
**p2 = 0;
}
else
{
*p2 = *p1;
while ( *len && **p2 > ' ' && **p2 != ',' )
{
(*p2)++;
(*len)--;
tlen++;
}
**p2 = 0;
}
return tlen;
}
static int get_number(char **p, int *len, int is_hex)
{
int ret = 0;
int n = 0;
if ( (*p)[0] == '0' && (*p)[1] == 'x' )
{
is_hex = 1;
(*p) += 2;
(*len) -= 2;
}
if ( is_hex )
{
while ( *len && ((**p >= '0' && **p <= '9') || (**p >= 'a' && **p <= 'f') || (**p >= 'A' && **p <= 'F')) )
{
if ( **p >= '0' && **p <= '9' )
n = **p - '0';
else if ( **p >= 'a' && **p <= 'f' )
n = **p - 'a' + 10;
else if ( **p >= 'A' && **p <= 'F' )
n = **p - 'A' + 10;
ret = (ret << 4) | n;
(*p)++;
(*len)--;
}
}
else
{
while ( *len && **p >= '0' && **p <= '9' )
{
n = **p - '0';
ret = ret * 10 + n;
(*p)++;
(*len)--;
}
}
return ret;
}
static inline void ignore_space(char **p, int *len)
{
while ( *len && (**p <= ' ' || **p == ':' || **p == '.' || **p == ',') )
{
(*p)++;
(*len)--;
}
}
/*
* ####################################
* Global Function
* ####################################
*/
/*
* ####################################
* Init/Cleanup API
* ####################################
*/
static int __init ifx_ptm_test_init(void)
{
proc_file_create();
return 0;
}
static void __exit ifx_ptm_test_exit(void)
{
proc_file_delete();
}
module_init(ifx_ptm_test_init);
module_exit(ifx_ptm_test_exit);
#endif
Reference in a new issue Copy permalink