d95c39072a
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13144 a1c6a512-1295-4272-9138-f99709370657
223 lines
6 KiB
C
223 lines
6 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* Copyright (C) 2002 by Alan Korr
|
|
*
|
|
* All files in this archive are subject to the GNU General Public License.
|
|
* See the file COPYING in the source tree root for full license agreement.
|
|
*
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifndef __SYSTEM_H__
|
|
#define __SYSTEM_H__
|
|
|
|
#include "cpu.h"
|
|
#include "stdbool.h"
|
|
#include "kernel.h"
|
|
|
|
extern void system_reboot (void);
|
|
extern void system_init(void);
|
|
|
|
extern long cpu_frequency;
|
|
|
|
struct flash_header {
|
|
unsigned long magic;
|
|
unsigned long length;
|
|
char version[32];
|
|
};
|
|
|
|
bool detect_flashed_romimage(void);
|
|
bool detect_flashed_ramimage(void);
|
|
bool detect_original_firmware(void);
|
|
|
|
#if defined(HAVE_ADJUSTABLE_CPU_FREQ) \
|
|
&& defined(ROCKBOX_HAS_LOGF) && (NUM_CORES == 1)
|
|
#define CPU_BOOST_LOGGING
|
|
#endif
|
|
|
|
#ifdef HAVE_ADJUSTABLE_CPU_FREQ
|
|
#define FREQ cpu_frequency
|
|
void set_cpu_frequency(long frequency);
|
|
#ifdef CPU_BOOST_LOGGING
|
|
char * cpu_boost_log_getlog_first(void);
|
|
char * cpu_boost_log_getlog_next(void);
|
|
int cpu_boost_log_getcount(void);
|
|
void cpu_boost_(bool on_off, char* location, int line);
|
|
#else
|
|
void cpu_boost(bool on_off);
|
|
#endif
|
|
void cpu_idle_mode(bool on_off);
|
|
int get_cpu_boost_counter(void);
|
|
#else
|
|
#define FREQ CPU_FREQ
|
|
#define set_cpu_frequency(frequency)
|
|
#define cpu_boost(on_off)
|
|
#define cpu_boost_id(on_off, id)
|
|
#define cpu_idle_mode(on_off)
|
|
#define get_cpu_boost_counter()
|
|
#define get_cpu_boost_tracker()
|
|
#endif
|
|
|
|
#ifdef CPU_BOOST_LOGGING
|
|
#define cpu_boost(on_off) cpu_boost_(on_off,__FILE__, __LINE__)
|
|
#endif
|
|
|
|
#define BAUDRATE 9600
|
|
|
|
#ifndef NULL
|
|
#define NULL ((void*)0)
|
|
#endif
|
|
|
|
#ifndef MIN
|
|
#define MIN(a, b) (((a)<(b))?(a):(b))
|
|
#endif
|
|
|
|
#ifndef MAX
|
|
#define MAX(a, b) (((a)>(b))?(a):(b))
|
|
#endif
|
|
|
|
/* return number of elements in array a */
|
|
#define ARRAYLEN(a) (sizeof(a)/sizeof((a)[0]))
|
|
|
|
/* return p incremented by specified number of bytes */
|
|
#define SKIPBYTES(p, count) ((typeof (p))((char *)(p) + (count)))
|
|
|
|
#define P2_M1(p2) ((1 << (p2))-1)
|
|
|
|
/* align up or down to nearest 2^p2 */
|
|
#define ALIGN_DOWN_P2(n, p2) ((n) & ~P2_M1(p2))
|
|
#define ALIGN_UP_P2(n, p2) ALIGN_DOWN_P2((n) + P2_M1(p2),p2)
|
|
|
|
/* align up or down to nearest integer multiple of a */
|
|
#define ALIGN_DOWN(n, a) ((n)/(a)*(a))
|
|
#define ALIGN_UP(n, a) ALIGN_DOWN((n)+((a)-1),a)
|
|
|
|
/* live endianness conversion */
|
|
#ifdef ROCKBOX_LITTLE_ENDIAN
|
|
#define letoh16(x) (x)
|
|
#define letoh32(x) (x)
|
|
#define htole16(x) (x)
|
|
#define htole32(x) (x)
|
|
#define betoh16(x) swap16(x)
|
|
#define betoh32(x) swap32(x)
|
|
#define htobe16(x) swap16(x)
|
|
#define htobe32(x) swap32(x)
|
|
#define swap_odd_even_be32(x) (x)
|
|
#define swap_odd_even_le32(x) swap_odd_even32(x)
|
|
#else
|
|
#define letoh16(x) swap16(x)
|
|
#define letoh32(x) swap32(x)
|
|
#define htole16(x) swap16(x)
|
|
#define htole32(x) swap32(x)
|
|
#define betoh16(x) (x)
|
|
#define betoh32(x) (x)
|
|
#define htobe16(x) (x)
|
|
#define htobe32(x) (x)
|
|
#define swap_odd_even_be32(x) swap_odd_even32(x)
|
|
#define swap_odd_even_le32(x) (x)
|
|
#endif
|
|
|
|
/* static endianness conversion */
|
|
#define SWAP_16(x) ((typeof(x))(unsigned short)(((unsigned short)(x) >> 8) | \
|
|
((unsigned short)(x) << 8)))
|
|
|
|
#define SWAP_32(x) ((typeof(x))(unsigned long)( ((unsigned long)(x) >> 24) | \
|
|
(((unsigned long)(x) & 0xff0000ul) >> 8) | \
|
|
(((unsigned long)(x) & 0xff00ul) << 8) | \
|
|
((unsigned long)(x) << 24)))
|
|
|
|
#ifdef ROCKBOX_LITTLE_ENDIAN
|
|
#define LE_TO_H16(x) (x)
|
|
#define LE_TO_H32(x) (x)
|
|
#define H_TO_LE16(x) (x)
|
|
#define H_TO_LE32(x) (x)
|
|
#define BE_TO_H16(x) SWAP_16(x)
|
|
#define BE_TO_H32(x) SWAP_32(x)
|
|
#define H_TO_BE16(x) SWAP_16(x)
|
|
#define H_TO_BE32(x) SWAP_32(x)
|
|
#else
|
|
#define LE_TO_H16(x) SWAP_16(x)
|
|
#define LE_TO_H32(x) SWAP_32(x)
|
|
#define H_TO_LE16(x) SWAP_16(x)
|
|
#define H_TO_LE32(x) SWAP_32(x)
|
|
#define BE_TO_H16(x) (x)
|
|
#define BE_TO_H32(x) (x)
|
|
#define H_TO_BE16(x) (x)
|
|
#define H_TO_BE32(x) (x)
|
|
#endif
|
|
|
|
/* gcc 3.4 changed the format of the constraints */
|
|
#if (__GNUC__ >= 3) && (__GNUC_MINOR__ > 3) || (__GNUC__ >= 4)
|
|
#define I_CONSTRAINT "I08"
|
|
#else
|
|
#define I_CONSTRAINT "I"
|
|
#endif
|
|
|
|
/* Utilize the user break controller to catch invalid memory accesses. */
|
|
int system_memory_guard(int newmode);
|
|
|
|
enum {
|
|
MEMGUARD_KEEP = -1, /* don't change the mode; for reading */
|
|
MEMGUARD_NONE = 0, /* catch nothing */
|
|
MEMGUARD_FLASH_WRITES, /* catch writes to area 02 (flash ROM) */
|
|
MEMGUARD_ZERO_AREA, /* catch all accesses to areas 00 and 01 */
|
|
MAXMEMGUARD
|
|
};
|
|
|
|
#ifndef SIMULATOR
|
|
#include "system-target.h"
|
|
#else /* SIMULATOR */
|
|
|
|
static inline uint16_t swap16(uint16_t value)
|
|
/*
|
|
result[15..8] = value[ 7..0];
|
|
result[ 7..0] = value[15..8];
|
|
*/
|
|
{
|
|
return (value >> 8) | (value << 8);
|
|
}
|
|
|
|
static inline uint32_t swap32(uint32_t value)
|
|
/*
|
|
result[31..24] = value[ 7.. 0];
|
|
result[23..16] = value[15.. 8];
|
|
result[15.. 8] = value[23..16];
|
|
result[ 7.. 0] = value[31..24];
|
|
*/
|
|
{
|
|
uint32_t hi = swap16(value >> 16);
|
|
uint32_t lo = swap16(value & 0xffff);
|
|
return (lo << 16) | hi;
|
|
}
|
|
|
|
static inline uint32_t swap_odd_even32(uint32_t value)
|
|
{
|
|
/*
|
|
result[31..24],[15.. 8] = value[23..16],[ 7.. 0]
|
|
result[23..16],[ 7.. 0] = value[31..24],[15.. 8]
|
|
*/
|
|
uint32_t t = value & 0xff00ff00;
|
|
return (t >> 8) | ((t ^ value) << 8);
|
|
}
|
|
|
|
#endif /* !SIMULATOR */
|
|
|
|
/* Just define these as empty if not declared */
|
|
#ifndef HAVE_INVALIDATE_ICACHE
|
|
#define invalidate_icache()
|
|
#endif
|
|
|
|
#ifndef HAVE_FLUSH_ICACHE
|
|
#define flush_icache()
|
|
#endif
|
|
|
|
#endif /* __SYSTEM_H__ */
|