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kernel/arch: streamline thread flag bits used

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Use least significant bits for common flags and high bits for
arch-specific ones.

Change-Id: I982719de4a24d3588c19a0d30bbe7a27d9a99f13
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
This commit is contained in:
Benjamin Walsh 2016-12-21 15:07:46 -05:00 committed by Andrew Boie
parent e6a69cae54
commit d779f3d240
3 changed files with 16 additions and 16 deletions
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4
arch/nios2/include/kernel_arch_data.h
View file

@ -50,10 +50,10 @@ extern "C" {
/* nios2 bitmask definitions for the struct k_thread->flags bit field */
/* 1 = executing context is interrupt handler */
#define INT_ACTIVE (1 << 1)
#define INT_ACTIVE (1 << 31)
/* 1 = executing context is exception handler */
#define EXC_ACTIVE (1 << 2)
#define EXC_ACTIVE (1 << 30)
/* stacks */

6
arch/x86/include/kernel_arch_data.h
View file

@ -55,16 +55,16 @@
/* x86 Bitmask definitions for the struct k_thread->flags bit field */
/* executing context is interrupt handler */
#define INT_ACTIVE (1 << 1)
#define INT_ACTIVE (1 << 31)
/* executing context is exception handler */
#define EXC_ACTIVE (1 << 2)
#define EXC_ACTIVE (1 << 30)
#define INT_OR_EXC_MASK (INT_ACTIVE | EXC_ACTIVE)
#if defined(CONFIG_FP_SHARING) && defined(CONFIG_SSE)
/* thread uses SSEx (and also FP) registers */
#define K_SSE_REGS (1 << 5)
#define K_SSE_REGS (1 << 29)
#endif
#if defined(CONFIG_FP_SHARING) && defined(CONFIG_SSE)

22
kernel/include/kernel_structs.h
View file

@ -31,31 +31,31 @@
*/
/* thread is defined statically */
#define K_STATIC (1 << 8)
#define K_STATIC (1 << 0)
/* Thread is waiting on an object */
#define K_PENDING (1 << 13)
#define K_PENDING (1 << 1)
/* Thread has not yet started */
#define K_PRESTART (1 << 14)
#define K_PRESTART (1 << 2)
/* Thread has terminated */
#define K_DEAD (1 << 15)
#define K_DEAD (1 << 3)
/* Thread is suspended */
#define K_SUSPENDED (1 << 16)
#define K_SUSPENDED (1 << 4)
/* Not a real thread */
#define K_DUMMY (1 << 17)
#define K_DUMMY (1 << 5)
/* system thread that must not abort */
#define K_ESSENTIAL (1 << 6)
#if defined(CONFIG_FP_SHARING)
/* thread uses floating point registers */
#define K_FP_REGS (1 << 4)
#define K_FP_REGS (1 << 7)
#endif
/* system thread that must not abort */
#define K_ESSENTIAL (1 << 9)
#include <kernel_arch_data.h>
#if !defined(_ASMLANGUAGE)
@ -76,7 +76,7 @@ struct _thread_base {
sys_dnode_t k_q_node;
/* execution flags */
int flags;
uint32_t flags;
/* thread priority used to sort linked list */
int prio;