40 lines
1.3 KiB
C
40 lines
1.3 KiB
C
|
// Copyright 2022 The Marl Authors.
|
||
|
//
|
||
|
// 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
|
||
|
//
|
||
|
// https://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.
|
||
|
|
||
|
#if defined(__loongarch_lp64)
|
||
|
|
||
|
#include "osfiber_asm_loongarch64.h"
|
||
|
|
||
|
#include "marl/export.h"
|
||
|
|
||
|
MARL_EXPORT
|
||
|
void marl_fiber_trampoline(void (*target)(void*), void* arg) {
|
||
|
target(arg);
|
||
|
}
|
||
|
|
||
|
MARL_EXPORT
|
||
|
void marl_fiber_set_target(struct marl_fiber_context* ctx,
|
||
|
void* stack,
|
||
|
uint32_t stack_size,
|
||
|
void (*target)(void*),
|
||
|
void* arg) {
|
||
|
uintptr_t* stack_top = (uintptr_t*)((uint8_t*)(stack) + stack_size);
|
||
|
ctx->ra = (uintptr_t)&marl_fiber_trampoline;
|
||
|
ctx->a0 = (uintptr_t)target;
|
||
|
ctx->a1 = (uintptr_t)arg;
|
||
|
ctx->sp = ((uintptr_t)stack_top) & ~(uintptr_t)15;
|
||
|
}
|
||
|
|
||
|
#endif // defined(__loongarch_lp64)
|