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arch/all: simpler _SysFatalErrorHandler()

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- does not pull in printk(), for potential footprint gain
- does not pull in k_thread_abort(), for single-threaded systems

Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
Change-Id: Ibc6a198b81a6cd73117d1e85aa05b92a4501a34d
This commit is contained in:
Benjamin Walsh 2016-12-14 15:16:32 -05:00 • committed by Benjamin Walsh
commit 48db0b3443
5 changed files with 35 additions and 0 deletions
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10
arch/Kconfig
View file

@ -67,6 +67,16 @@ config BOOTLOADER_CONTEXT_RESTORE_SUPPORTED
This option signifies that the target has options of bootloaders
that support context restore upon resume from deep sleep
config SIMPLE_FATAL_ERROR_HANDLER
prompt "Simple system fatal error handler"
bool
default n
help
Provides an implementation of _SysFatalErrorHandler() that hard hangs
instead of aborting the faulting thread, and does not print anything,
for footprint-concerned systems. Only enable this option if you do not
want debug capabilities in case of system fatal error.
#
# End hidden PM feature configs
#

6
arch/arc/core/sys_fatal_error_handler.c
View file

@ -53,6 +53,7 @@ FUNC_NORETURN void _SysFatalErrorHandler(unsigned int reason,
ARG_UNUSED(reason);
ARG_UNUSED(pEsf);
#if !defined(CONFIG_SIMPLE_FATAL_ERROR_HANDLER)
if (k_is_in_isr() || _is_thread_essential()) {
printk("Fatal fault in %s! Spinning...\n",
k_is_in_isr() ? "ISR" : "essential thread");
@ -61,6 +62,11 @@ FUNC_NORETURN void _SysFatalErrorHandler(unsigned int reason,
}
printk("Fatal fault in thread %p! Aborting.\n", _current);
k_thread_abort(_current);
#else
for (;;) {
k_cpu_idle();
}
#endif
CODE_UNREACHABLE;
}

7
arch/arm/core/sys_fatal_error_handler.c
View file

@ -54,6 +54,7 @@ FUNC_NORETURN void _SysFatalErrorHandler(unsigned int reason,
ARG_UNUSED(reason);
ARG_UNUSED(pEsf);
#if !defined(CONFIG_SIMPLE_FATAL_ERROR_HANDLER)
if (k_is_in_isr() || _is_thread_essential()) {
printk("Fatal fault in %s! Spinning...\n",
k_is_in_isr() ? "ISR" : "essential thread");
@ -63,5 +64,11 @@ FUNC_NORETURN void _SysFatalErrorHandler(unsigned int reason,
printk("Fatal fault in thread %p! Aborting.\n", _current);
k_thread_abort(_current);
#else
for (;;) {
k_cpu_idle();
}
#endif
CODE_UNREACHABLE;
}

6
arch/nios2/core/fatal.c
View file

@ -227,6 +227,7 @@ FUNC_NORETURN void _SysFatalErrorHandler(unsigned int reason,
ARG_UNUSED(reason);
ARG_UNUSED(pEsf);
#if !defined(CONFIG_SIMPLE_FATAL_ERROR_HANDLER)
if (k_is_in_isr() || _is_thread_essential()) {
printk("Fatal fault in %s! Spinning...\n",
k_is_in_isr() ? "ISR" : "essential thread");
@ -238,6 +239,11 @@ FUNC_NORETURN void _SysFatalErrorHandler(unsigned int reason,
}
printk("Fatal fault in thread %p! Aborting.\n", _current);
k_thread_abort(_current);
#else
for (;;) {
k_cpu_idle();
}
#endif
CODE_UNREACHABLE;
}

6
arch/x86/core/sys_fatal_error_handler.c
View file

@ -54,6 +54,7 @@ FUNC_NORETURN void _SysFatalErrorHandler(unsigned int reason,
ARG_UNUSED(reason);
ARG_UNUSED(pEsf);
#if !defined(CONFIG_SIMPLE_FATAL_ERROR_HANDLER)
if (k_is_in_isr() || _is_thread_essential()) {
printk("Fatal fault in %s! Spinning...\n",
k_is_in_isr() ? "ISR" : "essential thread");
@ -62,6 +63,11 @@ FUNC_NORETURN void _SysFatalErrorHandler(unsigned int reason,
}
printk("Fatal fault in thread %p! Aborting.\n", _current);
k_thread_abort(_current);
#else
for (;;) {
k_cpu_idle();
}
#endif
CODE_UNREACHABLE;
}