| /* |
| * Copyright (c) 2019-2020 Cobham Gaisler AB |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #ifndef ZEPHYR_ARCH_SPARC_CORE_STACK_H_ |
| #define ZEPHYR_ARCH_SPARC_CORE_STACK_H_ |
| |
| /* |
| * Offsets for SPARC ABI stack frame. |
| * |
| * Reference: System V Application Binary Interface, SPARC Processor |
| * Supplement, Third Edition, Page 3-35. |
| */ |
| #define STACK_FRAME_L0_OFFSET 0x00 |
| #define STACK_FRAME_L1_OFFSET 0x04 |
| #define STACK_FRAME_L2_OFFSET 0x08 |
| #define STACK_FRAME_L3_OFFSET 0x0c |
| #define STACK_FRAME_L4_OFFSET 0x10 |
| #define STACK_FRAME_L5_OFFSET 0x14 |
| #define STACK_FRAME_L6_OFFSET 0x18 |
| #define STACK_FRAME_L7_OFFSET 0x1c |
| #define STACK_FRAME_I0_OFFSET 0x20 |
| #define STACK_FRAME_I1_OFFSET 0x24 |
| #define STACK_FRAME_I2_OFFSET 0x28 |
| #define STACK_FRAME_I3_OFFSET 0x2c |
| #define STACK_FRAME_I4_OFFSET 0x30 |
| #define STACK_FRAME_I5_OFFSET 0x34 |
| #define STACK_FRAME_I6_OFFSET 0x38 |
| #define STACK_FRAME_I7_OFFSET 0x3c |
| #define STACK_FRAME_STRUCTURE_RETURN_ADDRESS_OFFSET 0x40 |
| #define STACK_FRAME_SAVED_ARG0_OFFSET 0x44 |
| #define STACK_FRAME_SAVED_ARG1_OFFSET 0x48 |
| #define STACK_FRAME_SAVED_ARG2_OFFSET 0x4c |
| #define STACK_FRAME_SAVED_ARG3_OFFSET 0x50 |
| #define STACK_FRAME_SAVED_ARG4_OFFSET 0x54 |
| #define STACK_FRAME_SAVED_ARG5_OFFSET 0x58 |
| #define STACK_FRAME_PAD0_OFFSET 0x5c |
| #define STACK_FRAME_SIZE 0x60 |
| |
| |
| /* Interrupt stack frame */ |
| #define ISF_PSR_OFFSET (0x40 + 0x00) |
| #define ISF_PC_OFFSET (0x40 + 0x04) |
| #define ISF_NPC_OFFSET (0x40 + 0x08) |
| #define ISF_G1_OFFSET (0x40 + 0x0c) |
| #define ISF_G2_OFFSET (0x40 + 0x10) |
| #define ISF_G3_OFFSET (0x40 + 0x14) |
| #define ISF_G4_OFFSET (0x40 + 0x18) |
| #define ISF_Y_OFFSET (0x40 + 0x1c) |
| |
| #if !defined(_FLAT) |
| #define ISF_SIZE (0x20) |
| #else |
| /* |
| * The flat ABI stores and loads "local" and "in" registers in the save area as |
| * part of function prologue and epilogue. So we allocate space for a new save |
| * area (0x40 byte) as part of the interrupt stack frame. |
| */ |
| #define ISF_SIZE (0x40 + 0x20) |
| #endif |
| |
| #endif /* ZEPHYR_ARCH_SPARC_CORE_STACK_H_ */ |
