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arm: arch code naming cleanup

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This patch re-namespaces global variables and functions
that are used only within the arch/arm/ code to be
prefixed with z_arm_.

Some instances of CamelCase have been corrected.

Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
This commit is contained in:
Andrew Boie 2019-09-30 12:31:07 -07:00 • committed by Ioannis Glaropoulos
commit 8c98a97581
51 changed files with 332 additions and 329 deletions
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34
arch/arm/core/exc_exit.S
View file

@ -21,11 +21,11 @@
_ASM_FILE_PROLOGUE
GTEXT(z_ExcExit)
GTEXT(_IntExit)
GTEXT(z_arm_exc_exit)
GTEXT(z_arm_int_exit)
GDATA(_kernel)
#if defined(CONFIG_CPU_CORTEX_R)
GTEXT(__pendsv)
GTEXT(z_arm_pendsv)
#endif
/**
@ -34,13 +34,13 @@ GTEXT(__pendsv)
* directly in vector table
*
* Kernel allows installing interrupt handlers (ISRs) directly into the vector
* table to get the lowest interrupt latency possible. This allows the ISR to be
* invoked directly without going through a software interrupt table. However,
* upon exiting the ISR, some kernel work must still be performed, namely
* possible context switching. While ISRs connected in the software interrupt
* table do this automatically via a wrapper, ISRs connected directly in the
* vector table must invoke _IntExit() as the *very last* action before
* returning.
* table to get the lowest interrupt latency possible. This allows the ISR to
* be invoked directly without going through a software interrupt table.
* However, upon exiting the ISR, some kernel work must still be performed,
* namely possible context switching. While ISRs connected in the software
* interrupt table do this automatically via a wrapper, ISRs connected directly
* in the vector table must invoke z_arm_int_exit() as the *very last* action
* before returning.
*
* e.g.
*
@ -48,27 +48,29 @@ GTEXT(__pendsv)
* {
* printk("in %s\n", __FUNCTION__);
* doStuff();
* _IntExit();
* z_arm_int_exit();
* }
*
* @return N/A
*/
SECTION_SUBSEC_FUNC(TEXT, _HandlerModeExit, _IntExit)
SECTION_SUBSEC_FUNC(TEXT, _HandlerModeExit, z_arm_int_exit)
/* _IntExit falls through to z_ExcExit (they are aliases of each other) */
/* z_arm_int_exit falls through to z_arm_exc_exit (they are aliases of each
* other)
*/
/**
*
* @brief Kernel housekeeping when exiting exception handler installed
* directly in vector table
*
* See _IntExit().
* See z_arm_int_exit().
*
* @return N/A
*/
SECTION_SUBSEC_FUNC(TEXT, _HandlerModeExit, z_ExcExit)
SECTION_SUBSEC_FUNC(TEXT, _HandlerModeExit, z_arm_exc_exit)
#if defined(CONFIG_CPU_CORTEX_R)
push {r0, lr}
#endif
@ -89,7 +91,7 @@ SECTION_SUBSEC_FUNC(TEXT, _HandlerModeExit, z_ExcExit)
str r2, [r1]
#elif defined(CONFIG_CPU_CORTEX_R)
push {r0, lr}
bl __pendsv
bl z_arm_pendsv
pop {r0, lr}
#endif