diff options
Diffstat (limited to 'nuttx/arch/arm/include/armv7-m/irq.h')
| -rw-r--r-- | nuttx/arch/arm/include/armv7-m/irq.h | 106 |
1 files changed, 7 insertions, 99 deletions
diff --git a/nuttx/arch/arm/include/armv7-m/irq.h b/nuttx/arch/arm/include/armv7-m/irq.h index 92e306355..6cef85c02 100644 --- a/nuttx/arch/arm/include/armv7-m/irq.h +++ b/nuttx/arch/arm/include/armv7-m/irq.h @@ -51,109 +51,17 @@ # include <stdint.h> #endif -/**************************************************************************** - * Definitions - ****************************************************************************/ - -/* IRQ Stack Frame Format: */ +/* Included implementation-dependent register save structure layouts */ -/* The following additional registers are stored by the interrupt handling - * logic. - */ - -#define REG_R13 (0) /* R13 = SP at time of interrupt */ -#define REG_PRIMASK (1) /* PRIMASK */ -#define REG_R4 (2) /* R4 */ -#define REG_R5 (3) /* R5 */ -#define REG_R6 (4) /* R6 */ -#define REG_R7 (5) /* R7 */ -#define REG_R8 (6) /* R8 */ -#define REG_R9 (7) /* R9 */ -#define REG_R10 (8) /* R10 */ -#define REG_R11 (9) /* R11 */ -#define REG_EXC_RETURN (10) /* EXC_RETURN */ -#define SW_INT_REGS (11) - -#ifdef CONFIG_ARCH_FPU - -/* If the MCU supports a floating point unit, then it will be necessary - * to save the state of the non-volatile registers before calling code - * that may save and overwrite them. - */ - -# define REG_S16 (SW_INT_REGS+0) /* S16 */ -# define REG_S17 (SW_INT_REGS+1) /* S17 */ -# define REG_S18 (SW_INT_REGS+2) /* S18 */ -# define REG_S19 (SW_INT_REGS+3) /* S19 */ -# define REG_S20 (SW_INT_REGS+4) /* S20 */ -# define REG_S21 (SW_INT_REGS+5) /* S21 */ -# define REG_S22 (SW_INT_REGS+6) /* S22 */ -# define REG_S23 (SW_INT_REGS+7) /* S23 */ -# define REG_S24 (SW_INT_REGS+8) /* S24 */ -# define REG_S25 (SW_INT_REGS+9) /* S25 */ -# define REG_S26 (SW_INT_REGS+10) /* S26 */ -# define REG_S27 (SW_INT_REGS+11) /* S27 */ -# define REG_S28 (SW_INT_REGS+12) /* S28 */ -# define REG_S29 (SW_INT_REGS+13) /* S29 */ -# define REG_S30 (SW_INT_REGS+14) /* S30 */ -# define REG_S31 (SW_INT_REGS+15) /* S31 */ -# define SW_FPU_REGS (16) +#ifdef CONFIG_ARMV7M_CMNVECTOR +# include <arch/armv7-m/irq_cmnvector.h> #else -# define SW_FPU_REGS (0) +# include <arch/armv7-m/irq_lazyfpu.h> #endif -/* The total number of registers saved by software */ - -#define SW_XCPT_REGS (SW_INT_REGS + SW_FPU_REGS) -#define SW_XCPT_SIZE (4 * SW_XCPT_REGS) - -/* On entry into an IRQ, the hardware automatically saves the following - * registers on the stack in this (address) order: - */ - -#define REG_R0 (SW_XCPT_REGS+0) /* R0 */ -#define REG_R1 (SW_XCPT_REGS+1) /* R1 */ -#define REG_R2 (SW_XCPT_REGS+2) /* R2 */ -#define REG_R3 (SW_XCPT_REGS+3) /* R3 */ -#define REG_R12 (SW_XCPT_REGS+4) /* R12 */ -#define REG_R14 (SW_XCPT_REGS+5) /* R14 = LR */ -#define REG_R15 (SW_XCPT_REGS+6) /* R15 = PC */ -#define REG_XPSR (SW_XCPT_REGS+7) /* xPSR */ -#define HW_INT_REGS (8) - -#ifdef CONFIG_ARCH_FPU - -/* If the FPU is enabled, the hardware also saves the volatile FP registers. - */ - -# define REG_S0 (SW_XCPT_REGS+8) /* S0 */ -# define REG_S1 (SW_XCPT_REGS+9) /* S1 */ -# define REG_S2 (SW_XCPT_REGS+10) /* S2 */ -# define REG_S3 (SW_XCPT_REGS+11) /* S3 */ -# define REG_S4 (SW_XCPT_REGS+12) /* S4 */ -# define REG_S5 (SW_XCPT_REGS+13) /* S5 */ -# define REG_S6 (SW_XCPT_REGS+14) /* S6 */ -# define REG_S7 (SW_XCPT_REGS+15) /* S7 */ -# define REG_S8 (SW_XCPT_REGS+16) /* S8 */ -# define REG_S9 (SW_XCPT_REGS+17) /* S9 */ -# define REG_S10 (SW_XCPT_REGS+18) /* S10 */ -# define REG_S11 (SW_XCPT_REGS+19) /* S11 */ -# define REG_S12 (SW_XCPT_REGS+20) /* S12 */ -# define REG_S13 (SW_XCPT_REGS+21) /* S13 */ -# define REG_S14 (SW_XCPT_REGS+22) /* S14 */ -# define REG_S15 (SW_XCPT_REGS+23) /* S15 */ -# define REG_FPSCR (SW_XCPT_REGS+24) /* FPSCR */ -# define REG_FPReserved (SW_XCPT_REGS+25) /* Reserved */ -# define HW_FPU_REGS (18) -#else -# define HW_FPU_REGS (0) -#endif - -#define HW_XCPT_REGS (HW_INT_REGS + HW_FPU_REGS) -#define HW_XCPT_SIZE (4 * HW_XCPT_REGS) - -#define XCPTCONTEXT_REGS (HW_XCPT_REGS + SW_XCPT_REGS) -#define XCPTCONTEXT_SIZE (4 * XCPTCONTEXT_REGS) +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ /* Alternate register names */ |