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Ets intr lock nest #6484

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Merged
merged 10 commits into from
Sep 11, 2019
Merged

Ets intr lock nest #6484

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5f9281f
Replace the SDK's use of ets_intr_lock/unlock with nestable versions
ChocolateFrogsNuts Sep 1, 2019
7fd5307
make ets_intr_lock_stack uint16_t and behave like the original on ove…
ChocolateFrogsNuts Sep 3, 2019
e5177ac
Rename ets_intr_(un)lock_nest to ets_intr_(un)lock
ChocolateFrogsNuts Sep 3, 2019
78da5b7
Remove ets_intr_(un)lock from the rom .ld as we no longer use them
ChocolateFrogsNuts Sep 4, 2019
ce22692
ets_post() wrapper to preserve interrupt state
ChocolateFrogsNuts Sep 8, 2019
29da3fe
Add IRAM_ATTR to ets_intr_(un)lock and ets_post wrappers.
ChocolateFrogsNuts Sep 9, 2019
89ca430
Merge branch 'master' into ets_intr_lock_nest
earlephilhower Sep 9, 2019
4203e3f
Throw in a few comments and make ets_intr_lock_stack* static.
ChocolateFrogsNuts Sep 10, 2019
cf1da0e
Merge branch 'ets_intr_lock_nest' of https://github.com/ChocolateFrog…
ChocolateFrogsNuts Sep 10, 2019
6c21ed8
Merge branch 'master' into ets_intr_lock_nest
devyte Sep 11, 2019
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18 changes: 18 additions & 0 deletions cores/esp8266/core_esp8266_main.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -60,6 +60,13 @@ static os_event_t s_loop_queue[LOOP_QUEUE_SIZE];
/* Used to implement optimistic_yield */
static uint32_t s_micros_at_task_start;

/* For ets_intr_lock_nest / ets_intr_unlock_nest
* Max nesting seen by SDK so far is 2.
*/
#define ETS_INTR_LOCK_NEST_MAX 7
byte ets_intr_lock_stack[ETS_INTR_LOCK_NEST_MAX];
byte ets_intr_lock_stack_ptr=0;


extern "C" {
extern const uint32_t __attribute__((section(".ver_number"))) core_version = ARDUINO_ESP8266_GIT_VER;
Expand Down Expand Up @@ -121,6 +128,17 @@ extern "C" void optimistic_yield(uint32_t interval_us) {
}
}

extern "C" void ets_intr_lock_nest() {
if (ets_intr_lock_stack_ptr < ETS_INTR_LOCK_NEST_MAX)
ets_intr_lock_stack[ets_intr_lock_stack_ptr++] = xt_rsil(3);
}

extern "C" void ets_intr_unlock_nest() {
if (ets_intr_lock_stack_ptr > 0)
xt_wsr_ps(ets_intr_lock_stack[--ets_intr_lock_stack_ptr]);
}


extern "C" void __loop_end (void)
{
run_scheduled_functions();
Expand Down
7 changes: 7 additions & 0 deletions tools/sdk/lib/fix_sdk_libs.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -16,3 +16,10 @@ xtensa-lx106-elf-objcopy --redefine-sym default_hostname=wifi_station_default_ho
xtensa-lx106-elf-objcopy --redefine-sym default_hostname=wifi_station_default_hostname eagle_lwip_if.o
xtensa-lx106-elf-ar r libmain.a eagle_lwip_if.o user_interface.o
rm -f eagle_lwip_if.o user_interface.o

# Replace use of ROM ets_intr_(un)lock with nestable ets_intr_(un)lock_nest
for f in libmain.a libpp.a libnet80211.a; do
xtensa-lx106-elf-objcopy --redefine-sym ets_intr_lock=ets_intr_lock_nest $f;
xtensa-lx106-elf-objcopy --redefine-sym ets_intr_unlock=ets_intr_unlock_nest $f;
done