ADTaaron-thesisarm-ehast-experimentalcleanup-dtorsdeferred_resndemanglerenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprnew-envno_listpersistent-indexerpthread-emulationqualifiedEnumresolv-newwith_gc
Last change
on this file since 66f8528 was
596f987b,
checked in by Thierry Delisle <tdelisle@…>, 8 years ago
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Some optimization and clean-up of coroutines
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-
Property mode set to
100644
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File size:
1.7 KB
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Rev | Line | |
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[5c81105] | 1 | #include <stdbool.h> |
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| 2 | #include <stdint.h> |
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[78b3f52] | 3 | |
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[5c81105] | 4 | #ifdef __CFORALL__ |
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| 5 | extern "C" { |
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| 6 | #endif |
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| 7 | |
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| 8 | #if ! defined(__CFA_INVOKE_PRIVATE__) |
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[78b3f52] | 9 | #ifndef _INVOKE_H_ |
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| 10 | #define _INVOKE_H_ |
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| 11 | |
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[596f987b] | 12 | #define unlikely(x) __builtin_expect(!!(x), 0) |
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| 13 | |
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| 14 | struct coStack_t { |
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[5c81105] | 15 | unsigned int size; // size of stack |
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| 16 | void *storage; // pointer to stack |
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| 17 | void *limit; // stack grows towards stack limit |
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| 18 | void *base; // base of stack |
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| 19 | void *context; // address of cfa_context_t |
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| 20 | void *top; // address of top of storage |
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| 21 | bool userStack; |
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| 22 | }; |
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[78b3f52] | 23 | |
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[80d9e49] | 24 | enum coroutine_state { Start, Inactive, Active, Halt, Primed }; |
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[78b3f52] | 25 | |
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[5c81105] | 26 | struct coroutine { |
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| 27 | struct coStack_t stack; |
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| 28 | const char *name; // textual name for coroutine/task, initialized by uC++ generated code |
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| 29 | int errno_; // copy of global UNIX variable errno |
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| 30 | enum coroutine_state state; // current execution status for coroutine |
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| 31 | bool notHalted; // indicate if execuation state is not halted |
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[78b3f52] | 32 | |
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[5c81105] | 33 | struct coroutine *starter; // first coroutine to resume this one |
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| 34 | struct coroutine *last; // last coroutine to resume this one |
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| 35 | }; |
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[78b3f52] | 36 | |
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[5c81105] | 37 | #endif //_INVOKE_H_ |
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| 38 | #else //! defined(__CFA_INVOKE_PRIVATE__) |
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| 39 | #ifndef _INVOKE_PRIVATE_H_ |
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| 40 | #define _INVOKE_PRIVATE_H_ |
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| 41 | |
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[596f987b] | 42 | struct machine_context_t { |
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[5c81105] | 43 | void *SP; |
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| 44 | void *FP; |
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| 45 | void *PC; |
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| 46 | }; |
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[78b3f52] | 47 | |
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[5c81105] | 48 | // assembler routines that performs the context switch |
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[b58a5772] | 49 | extern void CtxInvokeStub( void ); |
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[5c81105] | 50 | void CtxSwitch( void *from, void *to ) asm ("CtxSwitch"); |
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[78b3f52] | 51 | |
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[5c81105] | 52 | #endif //_INVOKE_PRIVATE_H_ |
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| 53 | #endif //! defined(__CFA_INVOKE_PRIVATE__) |
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| 54 | #ifdef __CFORALL__ |
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| 55 | } |
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| 56 | #endif |
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