96571a8c40
This is now called z_arch_esf_t, conforming to our naming convention. This needs to remain a typedef due to how our offset generation header mechanism works. Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
76 lines
1.6 KiB
C
76 lines
1.6 KiB
C
/*
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* Copyright (c) 2013-2014 Wind River Systems, Inc.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @file
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* @brief Cortex-M public exception handling
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*
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* ARM-specific kernel exception handling interface. Included by arm/arch.h.
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*/
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#ifndef ZEPHYR_INCLUDE_ARCH_ARM_CORTEX_M_EXC_H_
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#define ZEPHYR_INCLUDE_ARCH_ARM_CORTEX_M_EXC_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* for assembler, only works with constants */
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#define Z_EXC_PRIO(pri) (((pri) << (8 - DT_NUM_IRQ_PRIO_BITS)) & 0xff)
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#if defined(CONFIG_CPU_CORTEX_M_HAS_PROGRAMMABLE_FAULT_PRIOS)
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#define _EXCEPTION_RESERVED_PRIO 1
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#else
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#define _EXCEPTION_RESERVED_PRIO 0
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#endif
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#define _EXC_FAULT_PRIO 0
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#ifdef CONFIG_ZERO_LATENCY_IRQS
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#define _EXC_ZERO_LATENCY_IRQS_PRIO 0
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#define _EXC_SVC_PRIO 1
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#define _IRQ_PRIO_OFFSET (_EXCEPTION_RESERVED_PRIO + 1)
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#else
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#define _EXC_SVC_PRIO 0
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#define _IRQ_PRIO_OFFSET (_EXCEPTION_RESERVED_PRIO)
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#endif
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#define _EXC_IRQ_DEFAULT_PRIO Z_EXC_PRIO(_IRQ_PRIO_OFFSET)
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#ifdef _ASMLANGUAGE
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GTEXT(z_ExcExit);
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#else
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#include <zephyr/types.h>
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struct __esf {
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struct __basic_sf {
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sys_define_gpr_with_alias(a1, r0);
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sys_define_gpr_with_alias(a2, r1);
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sys_define_gpr_with_alias(a3, r2);
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sys_define_gpr_with_alias(a4, r3);
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sys_define_gpr_with_alias(ip, r12);
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sys_define_gpr_with_alias(lr, r14);
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sys_define_gpr_with_alias(pc, r15);
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u32_t xpsr;
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} basic;
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#if defined(CONFIG_FLOAT) && defined(CONFIG_FP_SHARING)
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float s[16];
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u32_t fpscr;
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u32_t undefined;
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#endif
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};
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typedef struct __esf z_arch_esf_t;
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extern void z_ExcExit(void);
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#endif /* _ASMLANGUAGE */
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#ifdef __cplusplus
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}
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#endif
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#endif /* ZEPHYR_INCLUDE_ARCH_ARM_CORTEX_M_EXC_H_ */
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