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kernel: consolidate error handling code

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* z_NanoFatalErrorHandler() is now moved to common kernel code
  and renamed z_fatal_error(). Arches dump arch-specific info
  before calling.
* z_SysFatalErrorHandler() is now moved to common kernel code
  and renamed k_sys_fatal_error_handler(). It is now much simpler;
  the default policy is simply to lock interrupts and halt the system.
  If an implementation of this function returns, then the currently
  running thread is aborted.
* New arch-specific APIs introduced:
  - z_arch_system_halt() simply powers off or halts the system.
* We now have a standard set of fatal exception reason codes,
  namespaced under K_ERR_*
* CONFIG_SIMPLE_FATAL_ERROR_HANDLER deleted
* LOG_PANIC() calls moved to k_sys_fatal_error_handler()

Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
This commit is contained in:
Andrew Boie 2019-07-11 14:18:28 -07:00 • committed by Andrew Boie
commit 71ce8ceb18
53 changed files with 397 additions and 1183 deletions
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5
arch/riscv32/include/kernel_arch_func.h
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@ -37,9 +37,8 @@ z_set_thread_return_value(struct k_thread *thread, unsigned int value)
thread->arch.swap_return_value = value;
}
FUNC_NORETURN void z_NanoFatalErrorHandler(unsigned int reason,
const NANO_ESF *esf);
FUNC_NORETURN void z_riscv32_fatal_error(unsigned int reason,
const NANO_ESF *esf);
#define z_is_in_isr() (_kernel.nested != 0U)