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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1813 35acf78f-673a-0410-8e92-d51de3d6d3f4

This commit is contained in:
gdisirio 2010-03-30 15:22:13 +00:00
parent 8a9ecf55f7
commit 5fa5b9ef56
2 changed files with 41 additions and 14 deletions
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15
os/ports/GCC/ARMCMx/chcore.c
View File

@ -104,7 +104,7 @@ void _port_switch_from_irq(void) {
"pop {pc}");
}
#if CORTEX_MODEL == CORTEX_M0
#if defined(CH_ARCHITECTURE_ARM_v6M)
#define PUSH_CONTEXT(sp) { \
asm volatile ("push {r4, r5, r6, r7, lr} \n\t" \
"mov r4, r8 \n\t" \
@ -122,8 +122,17 @@ void _port_switch_from_irq(void) {
"mov r11, r7 \n\t" \
"pop {r4, r5, r6, r7, pc}" : : "r" (sp)); \
}
#else /* CORTEX_MODEL != CORTEX_M0 */
#endif /* CORTEX_MODEL != CORTEX_M0 */
#elif defined(CH_ARCHITECTURE_ARM_v7M)
#define PUSH_CONTEXT(sp) { \
asm volatile ("push {r4, r5, r6, r7, r8, r9, r10, r11, lr} \n\t"); \
}
#define POP_CONTEXT(sp) { \
asm volatile ("pop {r4, r5, r6, r7, r8, r9, r10, r11, pc} \n\t" \
: : "r" (sp)); \
}
#else
#endif
/**
* @brief Performs a context switch between two threads.

40
os/ports/GCC/ARMCMx/chcore.h
View File

@ -129,32 +129,36 @@
/* Port exported info. */
/*===========================================================================*/
#if defined(__DOXYGEN__)
/**
* @brief Macro defining the ARM architecture.
*/
#define CH_ARCHITECTURE_ARM_vxm
/**
* @brief Name of the implemented architecture.
*/
#define CH_ARCHITECTURE_NAME "ARM"
#if defined(__DOXYGEN__)
/**
* @brief Macro defining the ARM Cortex-M3 architecture.
*/
#define CH_ARCHITECTURE_ARMCMx
#define CH_ARCHITECTURE_NAME "ARMvx-M"
/**
* @brief Name of the architecture variant (optional).
*/
#define CH_CORE_VARIANT_NAME "Cortex-Mx"
#elif CORTEX_MODEL == CORTEX_M4
#define CH_ARCHITECTURE_ARMCM4
#define CH_ARCHITECTURE_ARM_v7M
#define CH_ARCHITECTURE_NAME "ARMv7-M"
#define CH_CORE_VARIANT_NAME "Cortex-M4"
#elif CORTEX_MODEL == CORTEX_M3
#define CH_ARCHITECTURE_ARMCM3
#define CH_ARCHITECTURE_ARM_v7M
#define CH_ARCHITECTURE_NAME "ARMv7-M"
#define CH_CORE_VARIANT_NAME "Cortex-M3"
#elif CORTEX_MODEL == CORTEX_M1
#define CH_ARCHITECTURE_ARMCM1
#define CH_ARCHITECTURE_ARM_v6M
#define CH_ARCHITECTURE_NAME "ARMv6-M"
#define CH_CORE_VARIANT_NAME "Cortex-M1"
#elif CORTEX_MODEL == CORTEX_M0
#define CH_ARCHITECTURE_ARMCM0
#define CH_ARCHITECTURE_ARM_v6M
#define CH_ARCHITECTURE_NAME "ARMv6-M"
#define CH_CORE_VARIANT_NAME "Cortex-M0"
#endif
@ -210,6 +214,7 @@ struct extctx {
* @details This structure represents the inner stack frame during a context
* switching.
*/
#if defined(CH_ARCHITECTURE_ARM_v6M)
struct intctx {
regarm_t r8;
regarm_t r9;
@ -221,6 +226,19 @@ struct intctx {
regarm_t r7;
regarm_t lr;
};
#elif defined(CH_ARCHITECTURE_ARM_v7M)
struct intctx {
regarm_t r4;
regarm_t r5;
regarm_t r6;
regarm_t r7;
regarm_t r8;
regarm_t r9;
regarm_t r10;
regarm_t r11;
regarm_t lr;
};
#endif
#endif
#if !defined(__DOXYGEN__)