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Initialize cxx static variables also in kernel side

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For protected/kernel builds the cxx static initializations
needs to be done also in kernel side, since px4 creates
c++ objects in kernel

Signed-off-by: Jukka Laitinen <jukkax@ssrc.tii.ae>
This commit is contained in:
Jukka Laitinen 2021-01-12 14:45:51 +02:00
parent aeeb4e47a5
commit 04ccb26483
1 changed files with 37 additions and 0 deletions
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37
platforms/nuttx/src/px4/common/px4_init.cpp
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@ -52,8 +52,45 @@
# include <nuttx/i2c/i2c_master.h>
#endif // CONFIG_I2C
#if !defined(CONFIG_BUILD_FLAT)
typedef CODE void (*initializer_t)(void);
extern initializer_t _sinit;
extern initializer_t _einit;
extern uint32_t _stext;
extern uint32_t _etext;
static void cxx_initialize(void)
{
initializer_t *initp;
/* Visit each entry in the initialization table */
for (initp = &_sinit; initp != &_einit; initp++) {
initializer_t initializer = *initp;
/* Make sure that the address is non-NULL and lies in the text
* region defined by the linker script. Some toolchains may put
* NULL values or counts in the initialization table.
*/
if ((FAR void *)initializer >= (FAR void *)&_stext &&
(FAR void *)initializer < (FAR void *)&_etext) {
initializer();
}
}
}
#endif
int px4_platform_init()
{
/* In protected/kernel build this is called from user space thread via
* BOARDCTL.
* In PX4 there are static C++ objects created also in kernel side;
* initialize them here
*/
#if !defined(CONFIG_BUILD_FLAT)
cxx_initialize();
#endif
int ret = px4_console_buffer_init();