zephyr/arch/riscv/core/offsets/offsets.c

92 lines
2.6 KiB
C

/*
* Copyright (c) 2016 Jean-Paul Etienne <fractalclone@gmail.com>
*
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @file
* @brief RISCV32 kernel structure member offset definition file
*
* This module is responsible for the generation of the absolute symbols whose
* value represents the member offsets for various RISCV32 kernel
* structures.
*/
#include <kernel.h>
#include <kernel_arch_data.h>
#include <gen_offset.h>
#include <kernel_offsets.h>
#ifdef CONFIG_RISCV_SOC_CONTEXT_SAVE
#include <soc_context.h>
#endif
#ifdef CONFIG_RISCV_SOC_OFFSETS
#include <soc_offsets.h>
#endif
/* thread_arch_t member offsets */
GEN_OFFSET_SYM(_thread_arch_t, swap_return_value);
/* struct coop member offsets */
GEN_OFFSET_SYM(_callee_saved_t, sp);
GEN_OFFSET_SYM(_callee_saved_t, s0);
GEN_OFFSET_SYM(_callee_saved_t, s1);
GEN_OFFSET_SYM(_callee_saved_t, s2);
GEN_OFFSET_SYM(_callee_saved_t, s3);
GEN_OFFSET_SYM(_callee_saved_t, s4);
GEN_OFFSET_SYM(_callee_saved_t, s5);
GEN_OFFSET_SYM(_callee_saved_t, s6);
GEN_OFFSET_SYM(_callee_saved_t, s7);
GEN_OFFSET_SYM(_callee_saved_t, s8);
GEN_OFFSET_SYM(_callee_saved_t, s9);
GEN_OFFSET_SYM(_callee_saved_t, s10);
GEN_OFFSET_SYM(_callee_saved_t, s11);
/* esf member offsets */
GEN_OFFSET_SYM(z_arch_esf_t, ra);
GEN_OFFSET_SYM(z_arch_esf_t, gp);
GEN_OFFSET_SYM(z_arch_esf_t, tp);
GEN_OFFSET_SYM(z_arch_esf_t, t0);
GEN_OFFSET_SYM(z_arch_esf_t, t1);
GEN_OFFSET_SYM(z_arch_esf_t, t2);
GEN_OFFSET_SYM(z_arch_esf_t, t3);
GEN_OFFSET_SYM(z_arch_esf_t, t4);
GEN_OFFSET_SYM(z_arch_esf_t, t5);
GEN_OFFSET_SYM(z_arch_esf_t, t6);
GEN_OFFSET_SYM(z_arch_esf_t, a0);
GEN_OFFSET_SYM(z_arch_esf_t, a1);
GEN_OFFSET_SYM(z_arch_esf_t, a2);
GEN_OFFSET_SYM(z_arch_esf_t, a3);
GEN_OFFSET_SYM(z_arch_esf_t, a4);
GEN_OFFSET_SYM(z_arch_esf_t, a5);
GEN_OFFSET_SYM(z_arch_esf_t, a6);
GEN_OFFSET_SYM(z_arch_esf_t, a7);
GEN_OFFSET_SYM(z_arch_esf_t, mepc);
GEN_OFFSET_SYM(z_arch_esf_t, mstatus);
#if defined(CONFIG_RISCV_SOC_CONTEXT_SAVE)
GEN_OFFSET_SYM(z_arch_esf_t, soc_context);
#endif
#if defined(CONFIG_RISCV_SOC_OFFSETS)
GEN_SOC_OFFSET_SYMS();
#endif
/*
* RISC-V requires the stack to be 16-bytes aligned, hence SP needs to grow or
* shrink by a size, which follows the RISC-V stack alignment requirements
* Hence, ensure that __z_arch_esf_t_SIZEOF and _K_THREAD_NO_FLOAT_SIZEOF sizes
* are aligned accordingly.
*/
GEN_ABSOLUTE_SYM(__z_arch_esf_t_SIZEOF, STACK_ROUND_UP(sizeof(z_arch_esf_t)));
/*
* size of the struct k_thread structure sans save area for floating
* point regs
*/
GEN_ABSOLUTE_SYM(_K_THREAD_NO_FLOAT_SIZEOF,
STACK_ROUND_UP(sizeof(struct k_thread)));
GEN_ABS_SYM_END