/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2008 Dan Everton (safetydan)
*
* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "plugin.h"
#include "lua.h"
#include "lauxlib.h"
#include "lualib.h"
#include "rocklib.h"
#include "rockmalloc.h"
#include "luadir.h"
static const luaL_Reg lualibs[] = {
{"", luaopen_base},
{LUA_TABLIBNAME, luaopen_table},
{LUA_STRLIBNAME, luaopen_string},
{LUA_OSLIBNAME, luaopen_os},
{LUA_ROCKLIBNAME, luaopen_rock},
{LUA_BITLIBNAME, luaopen_bit},
{LUA_IOLIBNAME, luaopen_io},
{LUA_LOADLIBNAME, luaopen_package},
{LUA_MATHLIBNAME, luaopen_math},
{LUA_DIRLIBNAME, luaopen_luadir},
{NULL, NULL}
};
static void rocklua_openlibs(lua_State *L) {
const luaL_Reg *lib = lualibs;
for (; lib->func; lib++) {
lua_pushcfunction(L, lib->func);
lua_pushstring(L, lib->name);
lua_call(L, 1, 0);
}
}
/* ldlib.c */
static lua_State *getthread (lua_State *L, int *arg) {
if (lua_isthread(L, 1)) {
*arg = 1;
return lua_tothread(L, 1);
}
else {
*arg = 0;
return L;
}
}
#define LEVELS1 12 /* size of the first part of the stack */
#define LEVELS2 10 /* size of the second part of the stack */
static int db_errorfb (lua_State *L) {
int level;
int firstpart = 1; /* still before eventual `...' */
int arg;
lua_State *L1 = getthread(L, &arg);
lua_Debug ar;
if (lua_isnumber(L, arg+2)) {
level = (int)lua_tointeger(L, arg+2);
lua_pop(L, 1);
}
else
level = (L == L1) ? 1 : 0; /* level 0 may be this own function */
if (lua_gettop(L) == arg)
lua_pushliteral(L, "");
else if (!lua_isstring(L, arg+1)) return 1; /* message is not a string */
else lua_pushliteral(L, "\n");
lua_pushliteral(L, "stack traceback:");
while (lua_getstack(L1, level++, &ar)) {
if (level > LEVELS1 && firstpart) {
/* no more than `LEVELS2' more levels? */
if (!lua_getstack(L1, level+LEVELS2, &ar))
level--; /* keep going */
else {
lua_pushliteral(L, "\n\t..."); /* too many levels */
while (lua_getstack(L1, level+LEVELS2, &ar)) /* find last levels */
level++;
}
firstpart = 0;
continue;
}
lua_pushliteral(L, "\n\t");
lua_getinfo(L1, "Snl", &ar);
lua_pushfstring(L, "%s:", ar.short_src);
if (ar.currentline > 0)
lua_pushfstring(L, "%d:", ar.currentline);
if (*ar.namewhat != '\0') /* is there a name? */
lua_pushfstring(L, " in function " LUA_QS, ar.name);
else {
if (*ar.what == 'm') /* main? */
lua_pushfstring(L, " in main chunk");
else if (*ar.what == 'C' || *ar.what == 't')
lua_pushliteral(L, " ?"); /* C function or tail call */
else
lua_pushfstring(L, " in function <%s:%d>",
ar.short_src, ar.linedefined);
}
lua_concat(L, lua_gettop(L) - arg);
}
lua_concat(L, lua_gettop(L) - arg);
return 1;
}
/* lua.c */
static int traceback (lua_State *L) {
lua_pushcfunction(L, db_errorfb);
lua_pushvalue(L, 1); /* pass error message */
lua_pushinteger(L, 2); /* skip this function and traceback */
lua_call(L, 2, 1); /* call debug.traceback */
return 1;
}
static int docall (lua_State *L) {
int status;
int base = lua_gettop(L); /* function index */
lua_pushcfunction(L, traceback); /* push traceback function */
lua_insert(L, base); /* put it under chunk and args */
status = lua_pcall(L, 0, 0, base);
lua_remove(L, base); /* remove traceback function */
/* force a complete garbage collection in case of errors */
if (status != 0) lua_gc(L, LUA_GCCOLLECT, 0);
return status;
}
/***************** Plugin Entry Point *****************/
enum plugin_status plugin_start(const void* parameter)
{
const char* filename;
int status;
if (parameter == NULL)
{
rb->splash(HZ, "Play a .lua file!");
return PLUGIN_ERROR;
}
else
{
filename = (char*) parameter;
lua_State *L = luaL_newstate();
rocklua_openlibs(L);
status = luaL_loadfile(L, filename);
if (!status) {
rb->lcd_clear_display();
status = docall(L);
}
dlmalloc_stats();
if (status) {
DEBUGF("%s\n", lua_tostring(L, -1));
rb->splashf(5 * HZ, "%s", lua_tostring(L, -1));
lua_pop(L, 1);
}
lua_close(L);
}
return PLUGIN_OK;
}
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#include "config.h"
/* These output formats should be in the config-files */
#ifdef CPU_COLDFIRE
OUTPUT_FORMAT(elf32-m68k)
#elif defined(CPU_ARM)
OUTPUT_FORMAT(elf32-littlearm)
#elif defined(CPU_SH)
OUTPUT_FORMAT(elf32-sh)
#elif defined(CPU_MIPS)
OUTPUT_FORMAT(elf32-littlemips)
#else
/* We can have an #error here we don't use this file when build sims! */
#error Unknown CPU architecture
#endif
#ifdef DEBUG
#define STUBOFFSET 0x10000
#else
#define STUBOFFSET 0
#endif
#if defined(CPU_PP)
#ifdef CPU_PP502x
#define NOCACHE_BASE 0x10000000
#else
#define NOCACHE_BASE 0x28000000
#endif /* CPU_* */
#define CACHEALIGN_SIZE 16
#endif /* CPU_PP */
#ifndef NOCACHE_BASE
/* Default to no offset if target doesn't define this */
#define NOCACHE_BASE 0x00000000
#endif
#if CONFIG_CPU==DM320 || CONFIG_CPU==IMX31L
/* Give this 1 meg to allow it to align to the MMU boundary */
#define LCD_TTB_AREA 0x100000
#define DRAMSIZE (MEMORYSIZE * 0x100000) - STUBOFFSET - PLUGIN_BUFFER_SIZE - CODEC_SIZE - LCD_TTB_AREA
#elif CONFIG_CPU==S3C2440
#define LCD_BUFFER_SIZE (LCD_WIDTH*LCD_HEIGHT*2)
/* must be 16Kb (0x4000) aligned */
#define TTB_SIZE (0x4000)
#define DRAMSIZE (MEMORYSIZE * 0x100000) - STUBOFFSET - PLUGIN_BUFFER_SIZE - CODEC_SIZE - LCD_BUFFER_SIZE - TTB_SIZE
#elif CONFIG_CPU==AS3525
#if MEMORYSIZE <= 2
#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGIN_BUFFER_SIZE - STUBOFFSET
#else
#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGIN_BUFFER_SIZE - STUBOFFSET - CODEC_SIZE
#endif
#endif
/* default to full RAM (minus codecs&plugins) unless specified otherwise */
#ifndef DRAMSIZE
#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGIN_BUFFER_SIZE - STUBOFFSET - CODEC_SIZE
#endif
#if defined(IRIVER_H100_SERIES) || defined(IRIVER_H300)
#define ARCH_IRIVER
#endif
#if defined(ARCH_IRIVER) || defined(IAUDIO_M3)
#define DRAMORIG 0x31000000
#define IRAMORIG 0x1000c000
#define IRAMSIZE 0xc000
#elif defined(IAUDIO_X5) || defined(IAUDIO_M5)
#define DRAMORIG 0x31000000
#define IRAMORIG 0x10010000
#define IRAMSIZE 0x10000
#elif CONFIG_CPU == PP5022 || CONFIG_CPU == PP5024
/* PP5022/24 have 128KB of IRAM */
#define DRAMORIG 0x00000000
#define IRAMORIG 0x4000c000
#define IRAMSIZE 0x14000
#elif defined(CPU_PP)
/* all other PP's have 96KB of IRAM */
#define DRAMORIG 0x00000000
#define IRAMORIG 0x4000c000
#define IRAMSIZE 0x0c000
#elif CONFIG_CPU == PNX0101
#define DRAMORIG 0xc00000 + STUBOFFSET
#define IRAMORIG 0x407000
#define IRAMSIZE 0x9000
#elif CONFIG_CPU == IMX31L || CONFIG_CPU == S3C2440
#define DRAMORIG 0x0 + STUBOFFSET
#define IRAM DRAM
#define IRAMSIZE 0
#elif CONFIG_CPU==DM320
#define DRAMORIG 0x00900000 + STUBOFFSET
#define IRAM DRAM
/* The bit of IRAM that is available is used in the core */
#define IRAMSIZE 0
#elif defined(CPU_TCC780X) || defined(CPU_TCC77X)
#define DRAMORIG 0x20000000
/*#define IRAMORIG 0x1000c000
#define IRAMSIZE 0xc000*/
#define IRAM DRAM
#define IRAMSIZE 0
#elif CONFIG_CPU==AS3525
#if MEMORYSIZE <= 2
#define IRAMSIZE 0 /* simulates no IRAM since codec is already entirely in IRAM */
#define CODEC_ORIGIN (0x50000 - CODEC_SIZE)
#define PLUGIN_ORIGIN (DRAMORIG + DRAMSIZE)
#else
#define IRAMORIG 0x20000
#define IRAMSIZE 0x30000
#endif
#define DRAMORIG 0x30000000
#elif CONFIG_CPU == JZ4732
#define DRAMORIG 0x80004000 + STUBOFFSET
//#define IRAMORIG 0x80000000
//#define IRAMSIZE 0x4000
#else
#define DRAMORIG 0x09000000 + STUBOFFSET
#endif
#define PLUGIN_LENGTH PLUGIN_BUFFER_SIZE
#ifndef CODEC_ORIGIN /* targets can specify another origin */
#define CODEC_ORIGIN (DRAMORIG + (DRAMSIZE))
#endif
#ifndef PLUGIN_ORIGIN /* targets can specify another origin */
#define PLUGIN_ORIGIN (CODEC_ORIGIN + CODEC_SIZE)
#endif
#ifdef CODEC
#define THIS_LENGTH CODEC_SIZE
#define THIS_ORIGIN CODEC_ORIGIN
#elif defined OVERLAY_OFFSET
#define THIS_LENGTH (DRAMSIZE - OVERLAY_OFFSET)
#define THIS_ORIGIN (DRAMORIG + OVERLAY_OFFSET)
#else /* plugin */
#define THIS_LENGTH PLUGIN_LENGTH
#define THIS_ORIGIN PLUGIN_ORIGIN
#endif
MEMORY
{
PLUGIN_RAM : ORIGIN = THIS_ORIGIN, LENGTH = THIS_LENGTH
#if defined(IRAMSIZE) && IRAMSIZE != 0
PLUGIN_IRAM : ORIGIN = IRAMORIG, LENGTH = IRAMSIZE
#endif
}
SECTIONS
{
.header : {
_plugin_start_addr = .;
plugin_start_addr = .;
KEEP(*(.header))
} > PLUGIN_RAM
.text :
{
*(.text*)
#if defined(IRAMSIZE) && IRAMSIZE == 0
*(.icode)
#endif
#ifdef CPU_ARM
*(.glue_7)
*(.glue_7t)
#endif
} > PLUGIN_RAM
.rodata :
{
*(.rodata*)
#if defined(IRAMSIZE) && IRAMSIZE == 0
*(.irodata)
#endif
. = ALIGN(0x4);
} > PLUGIN_RAM
.data :
{
*(.data*)
#if defined(IRAMSIZE) && IRAMSIZE == 0
*(.idata)
#endif
} > PLUGIN_RAM
#if NOCACHE_BASE != 0
.ncdata . + NOCACHE_BASE :
{
. = ALIGN(CACHEALIGN_SIZE);
*(.ncdata*)
. = ALIGN(CACHEALIGN_SIZE);
} AT> PLUGIN_RAM
#endif
#if defined(IRAMSIZE)
iramcopy = . - NOCACHE_BASE;
#endif
/DISCARD/ :
{
*(.eh_frame)
#ifdef CPU_MIPS
*(.rel.dyn)
#endif
}
#if defined(IRAMSIZE) && IRAMSIZE != 0
.iram IRAMORIG : AT ( iramcopy)
{
iramstart = .;
*(.icode)
*(.irodata)
*(.idata)
iramend = .;
} > PLUGIN_IRAM
.ibss (NOLOAD) :
{
iedata = .;
*(.ibss)
. = ALIGN(0x4);
iend = .;
} > PLUGIN_IRAM
#endif
.bss (NOLOAD) :
{
plugin_bss_start = .;
*(.bss*)
#if defined(IRAMSIZE) && IRAMSIZE == 0
*(.ibss)
#endif
*(COMMON)
. = ALIGN(0x4);
} > PLUGIN_RAM
#if NOCACHE_BASE != 0
.ncbss . + NOCACHE_BASE (NOLOAD) :
{
. = ALIGN(CACHEALIGN_SIZE);
*(.ncbss*)
. = ALIGN(CACHEALIGN_SIZE);
} AT> PLUGIN_RAM
#endif
/* Restore . */
.pluginend . - NOCACHE_BASE :
{
_plugin_end_addr = .;
plugin_end_addr = .;
}
/* Special trick to avoid a linker error when no other sections are
left after garbage collection (plugin not for this platform) */
.comment 0 :
{
KEEP(*(.comment))
}
}
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