/*
* Copyright ( C ) 2023 The Android Open Source Project
*
* Licensed under the Apache License , Version 2 . 0 ( the " License " ) ;
* you may not use this file except in compliance with the License .
* You may obtain a copy of the License at
*
* http : //www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing , software
* distributed under the License is distributed on an " AS IS " BASIS ,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND , either express or implied .
* See the License for the specific language governing permissions and
* limitations under the License .
*/
#ifndef ART_RUNTIME_ARCH_RISCV64_ASM_SUPPORT_RISCV64_H_
#define ART_RUNTIME_ARCH_RISCV64_ASM_SUPPORT_RISCV64_H_
#include "asm_support.h"
#include "entrypoints/entrypoint_asm_constants.h"
// Each frame size constant must be a whole multiple of 16 to ensure 16-byte alignment on the stack.
// clang-format off
// S0, S2 - S11, RA, ArtMethod*, and padding,
// total 8*(11 + 1 + 1 + 1) = 112
#define FRAME_SIZE_SAVE_REFS_ONLY 112
// A0 - A7, FA0 - FA7, total 8*(8 + 8) = 128
#define FRAME_SIZE_SAVE_ARGS_ONLY 128
// FS0 - FS11, S0, S2 - S11, RA, ArtMethod* and padding,
// total 8*(12 + 11 + 1 + 1 + 1) = 208
#define FRAME_SIZE_SAVE_ALL_CALLEE_SAVES 208
// FA0 - FA7, A1 - A7, S0, S2 - S11, RA and ArtMethod*,
// total 8*(8 + 7 + 11 + 1 + 1) = 224
// Excluded GPRs are: A0 (ArtMethod*), S1/TR (ART thread register).
#define FRAME_SIZE_SAVE_REFS_AND_ARGS 224
// All 32 FPRs, 27 GPRs and ArtMethod*,
// total 8*(32 + 27 + 1) = 480
// Excluded GPRs are: SP, Zero, TP, GP, S1/TR (ART thread register).
#define FRAME_SIZE_SAVE_EVERYTHING 480
// FS0 - FS11, S0, S2 - S11, RA,
// total 8*(12 + 1 + 10 + 1) = 192
#define NTERP_SIZE_SAVE_CALLEE_SAVES 192
// clang-format on
// Size of Context::gprs_.
#define RISCV64_LONG_JUMP_GPRS_SIZE 264
// Size of Context::fprs_.
#define RISCV64_LONG_JUMP_FPRS_SIZE 256
// Size of Context::gprs_ + Context::fprs_.
#define RISCV64_LONG_JUMP_CONTEXT_SIZE (RISCV64_LONG_JUMP_GPRS_SIZE + RISCV64_LONG_JUMP_FPRS_SIZE)
#endif // ART_RUNTIME_ARCH_RISCV64_ASM_SUPPORT_RISCV64_H_
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