diff options
Diffstat (limited to 'shared/runtime')
| -rw-r--r-- | shared/runtime/gchelper.h | 2 | ||||
| -rw-r--r-- | shared/runtime/gchelper_generic.c | 29 | ||||
| -rw-r--r-- | shared/runtime/gchelper_rv64i.s | 52 |
3 files changed, 68 insertions, 15 deletions
diff --git a/shared/runtime/gchelper.h b/shared/runtime/gchelper.h index a863fb9aa..1e85e06f4 100644 --- a/shared/runtime/gchelper.h +++ b/shared/runtime/gchelper.h @@ -41,7 +41,7 @@ typedef uintptr_t gc_helper_regs_t[4]; typedef uintptr_t gc_helper_regs_t[10]; #elif defined(__aarch64__) typedef uintptr_t gc_helper_regs_t[11]; // x19-x29 -#elif defined(__riscv) && defined(__riscv_xlen) && (__riscv_xlen == 32) +#elif defined(__riscv) && (__riscv_xlen <= 64) typedef uintptr_t gc_helper_regs_t[12]; // S0-S11 #endif diff --git a/shared/runtime/gchelper_generic.c b/shared/runtime/gchelper_generic.c index f1087e199..093723137 100644 --- a/shared/runtime/gchelper_generic.c +++ b/shared/runtime/gchelper_generic.c @@ -150,23 +150,24 @@ static void gc_helper_get_regs(gc_helper_regs_t arr) { arr[10] = x29; } -#elif defined(__riscv) && defined(__riscv_xlen) && (__riscv_xlen == 32) +#elif defined(__riscv) && (__riscv_xlen <= 64) -// Fallback implementation for RV32I, prefer gchelper_rv32i.s +// Fallback implementation for RV32I and RV64I, prefer gchelper_rv32i.s +// for RV32I targets or gchelper_rv64i.s for RV64I targets. static void gc_helper_get_regs(gc_helper_regs_t arr) { - register long s0 asm ("x8"); - register long s1 asm ("x9"); - register long s2 asm ("x18"); - register long s3 asm ("x19"); - register long s4 asm ("x20"); - register long s5 asm ("x21"); - register long s6 asm ("x22"); - register long s7 asm ("x23"); - register long s8 asm ("x24"); - register long s9 asm ("x25"); - register long s10 asm ("x26"); - register long s11 asm ("x27"); + register uintptr_t s0 asm ("x8"); + register uintptr_t s1 asm ("x9"); + register uintptr_t s2 asm ("x18"); + register uintptr_t s3 asm ("x19"); + register uintptr_t s4 asm ("x20"); + register uintptr_t s5 asm ("x21"); + register uintptr_t s6 asm ("x22"); + register uintptr_t s7 asm ("x23"); + register uintptr_t s8 asm ("x24"); + register uintptr_t s9 asm ("x25"); + register uintptr_t s10 asm ("x26"); + register uintptr_t s11 asm ("x27"); arr[0] = s0; arr[1] = s1; arr[2] = s2; diff --git a/shared/runtime/gchelper_rv64i.s b/shared/runtime/gchelper_rv64i.s new file mode 100644 index 000000000..7f3dcb8a3 --- /dev/null +++ b/shared/runtime/gchelper_rv64i.s @@ -0,0 +1,52 @@ +/* + * This file is part of the MicroPython project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2024 Alessandro Gatti + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + + .global gc_helper_get_regs_and_sp + .type gc_helper_get_regs_and_sp, @function + +gc_helper_get_regs_and_sp: + + /* Store registers into the given array. */ + + sw x8, 0(x10) /* Save S0. */ + sw x9, 8(x10) /* Save S1. */ + sw x18, 16(x10) /* Save S2. */ + sw x19, 24(x10) /* Save S3. */ + sw x20, 32(x10) /* Save S4. */ + sw x21, 40(x10) /* Save S5. */ + sw x22, 48(x10) /* Save S6. */ + sw x23, 56(x10) /* Save S7. */ + sw x24, 64(x10) /* Save S8. */ + sw x25, 72(x10) /* Save S9. */ + sw x26, 80(x10) /* Save S10. */ + sw x27, 88(x10) /* Save S11. */ + + /* Return the stack pointer. */ + + add x10, x0, x2 + jalr x0, x1, 0 + + .size gc_helper_get_regs_and_sp, .-gc_helper_get_regs_and_sp |