diff options
author | samuel <samuel@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-11-20 09:59:10 +0000 |
---|---|---|
committer | samuel <samuel@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-11-20 09:59:10 +0000 |
commit | 07a324a0f6464f31765ee4bc5cfc23a99d426705 (patch) | |
tree | dd928b5cc16b6b44c9d7a1c68346da8061b0573a /coroutine/arm32 | |
parent | 27665e5134582bf58fb196268d659cc19df39f61 (diff) |
Native implementation of coroutines to improve performance of fibers
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65834 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'coroutine/arm32')
-rw-r--r-- | coroutine/arm32/Context.h | 59 | ||||
-rw-r--r-- | coroutine/arm32/Context.s | 15 |
2 files changed, 74 insertions, 0 deletions
diff --git a/coroutine/arm32/Context.h b/coroutine/arm32/Context.h new file mode 100644 index 0000000000..1c730ed458 --- /dev/null +++ b/coroutine/arm32/Context.h @@ -0,0 +1,59 @@ +// +// amd64.h +// File file is part of the "Coroutine" project and released under the MIT License. +// +// Created by Samuel Williams on 10/5/2018. +// Copyright, 2018, by Samuel Williams. All rights reserved. +// + +#pragma once + +#include <assert.h> +#include <string.h> + +#if __cplusplus +extern "C" { +#endif + +#define COROUTINE void + +const size_t COROUTINE_REGISTERS = 9; + +// The fiber context (stack pointer). +typedef struct +{ + void **stack_pointer; +} coroutine_context; + +// The initialization function. +typedef void(* coroutine_start)(coroutine_context *from, coroutine_context *self); + +inline void coroutine_initialize( + coroutine_context *context, + coroutine_start start, + void *stack_pointer, + size_t stack_size +) { + context->stack_pointer = (void**)stack_pointer; + + if (!start) { + assert(!context->stack_pointer); + /* We are main coroutine for this thread */ + return; + } + + *--context->stack_pointer = (void*)start; + + context->stack_pointer -= COROUTINE_REGISTERS; + memset(context->stack_pointer, 0, sizeof(void*) * COROUTINE_REGISTERS); +} + +coroutine_context * coroutine_transfer(coroutine_context * current, coroutine_context * target); + +inline void coroutine_destroy(coroutine_context * context) +{ +} + +#if __cplusplus +} +#endif diff --git a/coroutine/arm32/Context.s b/coroutine/arm32/Context.s new file mode 100644 index 0000000000..91fc697c18 --- /dev/null +++ b/coroutine/arm32/Context.s @@ -0,0 +1,15 @@ +## +## arm.c +## File file is part of the "Coroutine" project and released under the MIT License. +## +## Created by Samuel Williams on 10/5/2018. +## Copyright, 2018, by Samuel Williams. All rights reserved. +## + +.text + +.globl coroutine_transfer +coroutine_transfer: + stmia r1!, {r4-r11,sp,lr} + ldmia r0!, {r4-r11,sp,pc} + bx lr
\ No newline at end of file |