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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
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@ -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
{