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-rw-r--r--apps/plugin.c102
1 files changed, 71 insertions, 31 deletions
diff --git a/apps/plugin.c b/apps/plugin.c
index 53a05bf527..cc540cd988 100644
--- a/apps/plugin.c
+++ b/apps/plugin.c
@@ -42,7 +42,6 @@
#include "errno.h"
#include "diacritic.h"
#include "filefuncs.h"
-#include "load_code.h"
#if CONFIG_CHARGING
#include "power.h"
@@ -76,19 +75,21 @@ static unsigned int open_files;
#if (CONFIG_PLATFORM & PLATFORM_HOSTED)
static unsigned char pluginbuf[PLUGIN_BUFFER_SIZE];
+void *sim_plugin_load(char *plugin, void **pd);
+void sim_plugin_close(void *pd);
void sim_lcd_ex_init(unsigned long (*getpixel)(int, int));
void sim_lcd_ex_update_rect(int x, int y, int width, int height);
#else
+#define sim_plugin_close(x)
extern unsigned char pluginbuf[];
#include "bitswap.h"
#endif
/* for actual plugins only, not for codecs */
+static bool plugin_loaded = false;
static int plugin_size = 0;
static bool (*pfn_tsr_exit)(bool reenter) = NULL; /* TSR exit callback */
static char current_plugin[MAX_PATH];
-/* NULL if no plugin is loaded, otherwise the handle that lc_open() returned */
-static void *current_plugin_handle;
char *plugin_get_current_filename(void);
@@ -727,60 +728,98 @@ int plugin_load(const char* plugin, const void* parameter)
{
int rc, i;
struct plugin_header *hdr;
+#if (CONFIG_PLATFORM & PLATFORM_HOSTED)
+ void *pd;
+#else /* PLATFOR_NATIVE */
+ int fd;
+ ssize_t readsize;
+#if NUM_CORES > 1
+ unsigned my_core;
+#endif
+#endif /* CONFIG_PLATFORM */
#if LCD_DEPTH > 1
fb_data* old_backdrop;
#endif
- if (current_plugin_handle && pfn_tsr_exit)
- { /* if we have a resident old plugin and a callback */
+ if (pfn_tsr_exit != NULL) /* if we have a resident old plugin: */
+ {
if (pfn_tsr_exit(!strcmp(current_plugin, plugin)) == false )
{
/* not allowing another plugin to load */
return PLUGIN_OK;
}
- lc_close(current_plugin_handle);
- current_plugin_handle = pfn_tsr_exit = NULL;
+ pfn_tsr_exit = NULL;
+ plugin_loaded = false;
}
splash(0, ID2P(LANG_WAIT));
strcpy(current_plugin, plugin);
- current_plugin_handle = lc_open(plugin, pluginbuf, PLUGIN_BUFFER_SIZE);
- if (current_plugin_handle == NULL) {
+#if (CONFIG_PLATFORM & PLATFORM_HOSTED)
+ hdr = sim_plugin_load((char *)plugin, &pd);
+ if (pd == NULL) {
splashf(HZ*2, str(LANG_PLUGIN_CANT_OPEN), plugin);
return -1;
}
+ if (hdr == NULL
+ || hdr->magic != PLUGIN_MAGIC
+ || hdr->target_id != TARGET_ID) {
+ sim_plugin_close(pd);
+ splash(HZ*2, str(LANG_PLUGIN_WRONG_MODEL));
+ return -1;
+ }
+ if (hdr->api_version > PLUGIN_API_VERSION
+ || hdr->api_version < PLUGIN_MIN_API_VERSION) {
+ sim_plugin_close(pd);
+ splash(HZ*2, str(LANG_PLUGIN_WRONG_VERSION));
+ return -1;
+ }
+#else
+ fd = open(plugin, O_RDONLY);
+ if (fd < 0) {
+ splashf(HZ*2, str(LANG_PLUGIN_CANT_OPEN), plugin);
+ return fd;
+ }
+#if NUM_CORES > 1
+ /* Make sure COP cache is flushed and invalidated before loading */
+ my_core = switch_core(CURRENT_CORE ^ 1);
+ cpucache_invalidate();
+ switch_core(my_core);
+#endif
- hdr = lc_get_header(current_plugin_handle);
+ readsize = read(fd, pluginbuf, PLUGIN_BUFFER_SIZE);
+ close(fd);
- if (hdr == NULL
+ if (readsize < 0) {
+ splashf(HZ*2, str(LANG_READ_FAILED), plugin);
+ return -1;
+ }
+ hdr = (struct plugin_header *)pluginbuf;
+
+ if ((unsigned)readsize <= sizeof(struct plugin_header)
|| hdr->magic != PLUGIN_MAGIC
|| hdr->target_id != TARGET_ID
-#if (CONFIG_PLATFORM & PLATFORM_NATIVE)
|| hdr->load_addr != pluginbuf
- || hdr->end_addr > pluginbuf + PLUGIN_BUFFER_SIZE
-#endif
- )
- {
- lc_close(current_plugin_handle);
+ || hdr->end_addr > pluginbuf + PLUGIN_BUFFER_SIZE) {
splash(HZ*2, str(LANG_PLUGIN_WRONG_MODEL));
return -1;
}
if (hdr->api_version > PLUGIN_API_VERSION
- || hdr->api_version < PLUGIN_MIN_API_VERSION)
- {
- lc_close(current_plugin_handle);
+ || hdr->api_version < PLUGIN_MIN_API_VERSION) {
splash(HZ*2, str(LANG_PLUGIN_WRONG_VERSION));
return -1;
}
-#if (CONFIG_PLATFORM & PLATFORM_NATIVE)
plugin_size = hdr->end_addr - pluginbuf;
-#else
- plugin_size = 0;
+
+ /* zero out bss area only, above guards end of pluginbuf */
+ if (plugin_size > readsize)
+ memset(pluginbuf + readsize, 0, plugin_size - readsize);
#endif
*(hdr->api) = &rockbox_api;
+ plugin_loaded = true;
+
#if defined HAVE_LCD_BITMAP && LCD_DEPTH > 1
old_backdrop = lcd_get_backdrop();
@@ -795,6 +834,8 @@ int plugin_load(const char* plugin, const void* parameter)
FOR_NB_SCREENS(i)
viewportmanager_theme_enable(i, false, NULL);
+
+ cpucache_invalidate();
#ifdef HAVE_TOUCHSCREEN
touchscreen_set_mode(TOUCHSCREEN_BUTTON);
@@ -806,12 +847,6 @@ int plugin_load(const char* plugin, const void* parameter)
rc = hdr->entry_point(parameter);
- if (!pfn_tsr_exit)
- { /* close handle if plugin is no tsr one */
- lc_close(current_plugin_handle);
- current_plugin_handle = NULL;
- }
-
/* Go back to the global setting in case the plugin changed it */
#ifdef HAVE_TOUCHSCREEN
touchscreen_set_mode(global_settings.touch_mode);
@@ -852,8 +887,11 @@ int plugin_load(const char* plugin, const void* parameter)
FOR_NB_SCREENS(i)
viewportmanager_theme_undo(i, false);
+ if (pfn_tsr_exit == NULL)
+ plugin_loaded = false;
+
#ifdef HAVE_PLUGIN_CHECK_OPEN_CLOSE
- if(open_files != 0 && !current_plugin_handle)
+ if(open_files != 0 && !plugin_loaded)
{
int fd;
logf("Plugin '%s' leaks file handles", plugin);
@@ -871,6 +909,8 @@ int plugin_load(const char* plugin, const void* parameter)
}
#endif
+ sim_plugin_close(pd);
+
if (rc == PLUGIN_ERROR)
splash(HZ*2, str(LANG_PLUGIN_ERROR));
@@ -883,7 +923,7 @@ void* plugin_get_buffer(size_t *buffer_size)
{
int buffer_pos;
- if (current_plugin_handle)
+ if (plugin_loaded)
{
if (plugin_size >= PLUGIN_BUFFER_SIZE)
return NULL;