michaelh/zephyr
1
0
Fork 0
Code Releases Activity

kernel: consolidate error handling code

Browse source 
* 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
Download patch file Download diff file Expand all files Collapse all files

31
include/arch/x86/ia32/arch.h
View file

@ -316,28 +316,6 @@ struct _x86_syscall_stack_frame {
#endif /* !_ASMLANGUAGE */
/*
* Reason codes passed to both z_NanoFatalErrorHandler()
* and z_SysFatalErrorHandler().
*/
/** Unhandled exception/interrupt */
#define _NANO_ERR_SPURIOUS_INT (0)
/** Page fault */
#define _NANO_ERR_PAGE_FAULT (1)
/** General protection fault */
#define _NANO_ERR_GEN_PROT_FAULT (2)
/** Stack corruption detected */
#define _NANO_ERR_STACK_CHK_FAIL (4)
/** Kernel Allocation Failure */
#define _NANO_ERR_ALLOCATION_FAIL (5)
/** Unhandled exception */
#define _NANO_ERR_CPU_EXCEPTION (6)
/** Kernel oops (fatal to thread) */
#define _NANO_ERR_KERNEL_OOPS (7)
/** Kernel panic (fatal to system) */
#define _NANO_ERR_KERNEL_PANIC (8)
#ifndef _ASMLANGUAGE
/**
@ -589,15 +567,6 @@ extern void k_cpu_idle(void);
extern u32_t z_timer_cycle_get_32(void);
#define z_arch_k_cycle_get_32() z_timer_cycle_get_32()
/** kernel provided routine to report any detected fatal error. */
extern FUNC_NORETURN void z_NanoFatalErrorHandler(unsigned int reason,
const NANO_ESF * pEsf);
/** User provided routine to handle any detected fatal error post reporting. */
extern FUNC_NORETURN void z_SysFatalErrorHandler(unsigned int reason,
const NANO_ESF * pEsf);
#ifdef CONFIG_X86_ENABLE_TSS
extern struct task_state_segment _main_tss;
#endif