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Do core interrupt masking in a less general fashion and save some instructions to decrease size and speed things up a little bit. Small fix to a few places where interrupts would get enabled again where they shouldn't have been (context switching calls when disabled).

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16811 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis 2008-03-26 01:50:41 +00:00
parent 74d678fdbc
commit af395f4db6
61 changed files with 381 additions and 278 deletions
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15
apps/debug_menu.c
View file

@ -417,7 +417,7 @@ static bool dbg_flash_id(unsigned* p_manufacturer, unsigned* p_device,
not_id = flash[1]; /* should be 'A' (0x41) and 'R' (0x52) from the "ARCH" marker */
/* disable interrupts, prevent any stray flash access */
old_level = set_irq_level(HIGHEST_IRQ_LEVEL);
old_level = disable_irq_save();
flash[addr1] = 0xAA; /* enter command mode */
flash[addr2] = 0x55;
@ -432,7 +432,7 @@ static bool dbg_flash_id(unsigned* p_manufacturer, unsigned* p_device,
/* Atmel wants 20ms pause here */
/* sleep(HZ/50); no sleeping possible while interrupts are disabled */
set_irq_level(old_level); /* enable interrupts again */
restore_irq(old_level); /* enable interrupts again */
/* I assume success if the obtained values are different from
the normal flash content. This is not perfectly bulletproof, they
@ -2066,9 +2066,12 @@ static bool dbg_save_roms(void)
char buf[EEPROM_SIZE];
int err;
old_irq_level = set_irq_level(HIGHEST_IRQ_LEVEL);
old_irq_level = disable_irq_save();
err = eeprom_24cxx_read(0, buf, sizeof buf);
restore_irq(old_irq_level);
if (err)
gui_syncsplash(HZ*3, "Eeprom read failure (%d)",err);
else
@ -2076,8 +2079,6 @@ static bool dbg_save_roms(void)
write(fd, buf, sizeof buf);
}
set_irq_level(old_irq_level);
close(fd);
}
#endif
@ -2248,7 +2249,7 @@ static bool dbg_write_eeprom(void)
if(rc == EEPROM_SIZE)
{
old_irq_level = set_irq_level(HIGHEST_IRQ_LEVEL);
old_irq_level = disable_irq_save();
err = eeprom_24cxx_write(0, buf, sizeof buf);
if (err)
@ -2256,7 +2257,7 @@ static bool dbg_write_eeprom(void)
else
gui_syncsplash(HZ*3, "Eeprom written successfully");
set_irq_level(old_irq_level);
restore_irq(old_irq_level);
}
else
{

6
apps/main.c
View file

@ -272,7 +272,7 @@ static void init(void)
{
kernel_init();
buffer_init();
set_irq_level(0);
enable_irq();
lcd_init();
#ifdef HAVE_REMOTE_LCD
lcd_remote_init();
@ -360,9 +360,9 @@ static void init(void)
power_init();
set_irq_level(0);
enable_irq();
#ifdef CPU_ARM
set_fiq_status(FIQ_ENABLED);
enable_fiq();
#endif
lcd_init();
#ifdef HAVE_REMOTE_LCD

4
apps/plugins/wavplay.c
View file

@ -3345,7 +3345,7 @@ void dma_end_isr(void)
void demand_irq_enable(bool on)
{
int oldlevel = set_irq_level(HIGHEST_IRQ_LEVEL);
int oldlevel = disable_irq_save();
if(on)
{
@ -3357,7 +3357,7 @@ void demand_irq_enable(bool on)
IPRA &= 0xfff0;
}
set_irq_level(oldlevel);
restore_irq(oldlevel);
}
static inline int available(void)

4
apps/plugins/wavrecord.c
View file

@ -3415,7 +3415,7 @@ void rec_tick(void)
void rec_tick_enable(bool on)
{
int oldlevel = set_irq_level(HIGHEST_IRQ_LEVEL);
int oldlevel = disable_irq_save();
if(on)
{
@ -3431,7 +3431,7 @@ void rec_tick_enable(bool on)
IPRB = (IPRB & 0xff0f) | 0x0080; /* Reenable IRQ6 */
}
set_irq_level(oldlevel);
restore_irq(oldlevel);
}
void hijack_interrupts(bool on)