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Author	SHA1	Message	Date
Gunar Schorcht	2215f29883	cpu/esp32: add memset that cannot be optimized out Adds a memset function `system_secure_memset` which cannot be optimized out by the compiler. It uses the libsodium approach of weak symbols. Function system_secure_memset calls the standard memset. Calling an empty function declared with weak attribute after the memset call, prevents the compiler to optimize it out. The overhead is only one function call.	2019-01-17 13:50:56 +01:00
Gunar Schorcht	fddfe86a4b	cpu/esp32: fixes dependency problem for timer Xtensa newlib version requires pthread_setcancelstate as symbol. Therefore, the module pthread was always used, which in turn requires the module xtimer. The xtimer module, however, uses TIMER_DEV(0). Therefore, tests/timers failed for TIMER_DEV(0).	2018-10-14 13:50:38 +02:00
Schorcht	3ac99877ac	cpu: add esp32	2018-10-08 12:20:49 +02:00

Author

SHA1

Message

Date

Gunar Schorcht

2215f29883

cpu/esp32: add memset that cannot be optimized out

Adds a memset function `system_secure_memset` which cannot be optimized out by the compiler. It uses the libsodium approach of weak symbols. Function system_secure_memset calls the standard memset. Calling an empty function declared with weak attribute after the memset call, prevents the compiler to optimize it out. The overhead is only one function call.

2019-01-17 13:50:56 +01:00

Gunar Schorcht

fddfe86a4b

cpu/esp32: fixes dependency problem for timer

Xtensa newlib version requires pthread_setcancelstate as symbol. Therefore, the module pthread was always used, which in turn requires the module xtimer. The xtimer module, however, uses TIMER_DEV(0). Therefore, tests/timers failed for TIMER_DEV(0).

2018-10-14 13:50:38 +02:00

Schorcht

3ac99877ac

cpu: add esp32

2018-10-08 12:20:49 +02:00

3 Commits