notaz.gp2x.de / pcsx_rearmed.git / blame
| Commit | Line | Data |
|---|---|---|
| 3719602c PC |
1 | /* |
| 2 | libco.win (2016-09-06) | |
| 3 | authors: frangarcj | |
| 4 | license: public domain | |
| 5 | */ | |
| 6 | ||
| 7 | #define LIBCO_C | |
| 8 | #include <libco.h> | |
| 9 | #include <stdlib.h> | |
| 10 | #include <psp2/sysmodule.h> | |
| 11 | ||
| 12 | #ifdef __cplusplus | |
| 13 | extern "C" { | |
| 14 | #endif | |
| 15 | ||
| 16 | static thread_local cothread_t co_active_ = 0; | |
| 17 | ||
| 18 | typedef struct SceFiber | |
| 19 | { | |
| 20 | char reserved[128]; | |
| 21 | } SceFiber __attribute__( ( aligned ( 8 ) ) ) ; | |
| 22 | ||
| 23 | /* Forward declarations */ | |
| 24 | int32_t _sceFiberInitializeImpl(SceFiber *fiber, char *name, void *entry, uint32_t argOnInitialize, | |
| 25 | void* addrContext, int32_t sizeContext, void* params); | |
| 26 | int32_t sceFiberFinalize(SceFiber* fiber); | |
| 27 | int32_t sceFiberRun(SceFiber* fiber, uint32_t argOnRunTo, uint32_t* argOnRun); | |
| 28 | int32_t sceFiberSwitch(SceFiber* fiber, uint32_t argOnRunTo, uint32_t* argOnRun); | |
| 29 | int32_t sceFiberReturnToThread(uint32_t argOnReturn, uint32_t* argOnRun); | |
| 30 | ||
| 31 | static void co_thunk(uint32_t argOnInitialize, uint32_t argOnRun) | |
| 32 | { | |
| 33 | ((void (*)(void))argOnInitialize)(); | |
| 34 | } | |
| 35 | ||
| 36 | cothread_t co_active(void) | |
| 37 | { | |
| 38 | if (!co_active_) | |
| 39 | { | |
| 40 | sceSysmoduleLoadModule(SCE_SYSMODULE_FIBER); | |
| 41 | co_active_ = (cothread_t)1; | |
| 42 | } | |
| 43 | return co_active_; | |
| 44 | } | |
| 45 | ||
| 46 | cothread_t co_create(unsigned int heapsize, void (*coentry)(void)) | |
| 47 | { | |
| 48 | int ret; | |
| 49 | SceFiber* tail_fiber = malloc(sizeof(SceFiber)); | |
| 50 | char * m_ctxbuf = malloc(sizeof(char)*heapsize); | |
| 51 | if (!co_active_) | |
| 52 | { | |
| 53 | sceSysmoduleLoadModule(SCE_SYSMODULE_FIBER); | |
| 54 | co_active_ = (cothread_t)1; | |
| 55 | } | |
| 56 | ||
| 57 | /* _sceFiberInitializeImpl */ | |
| 58 | if ((ret = _sceFiberInitializeImpl( | |
| 59 | tail_fiber, "tailFiber", co_thunk, | |
| 60 | (uint32_t)coentry, (void*)m_ctxbuf, heapsize, NULL)) == 0) | |
| 61 | return (cothread_t)tail_fiber; | |
| 62 | return (cothread_t)ret; | |
| 63 | } | |
| 64 | ||
| 65 | void co_delete(cothread_t cothread) | |
| 66 | { | |
| 67 | if (cothread != (cothread_t)1) | |
| 68 | sceFiberFinalize((SceFiber*)cothread); | |
| 69 | } | |
| 70 | ||
| 71 | void co_switch(cothread_t cothread) | |
| 72 | { | |
| 73 | uint32_t argOnReturn = 0; | |
| 74 | if (cothread == (cothread_t)1) | |
| 75 | { | |
| 76 | co_active_ = cothread; | |
| 77 | sceFiberReturnToThread(0, NULL); | |
| 78 | } | |
| 79 | else | |
| 80 | { | |
| 81 | SceFiber* theFiber = (SceFiber*)cothread; | |
| 82 | co_active_ = cothread; | |
| 83 | if (co_active_ == (cothread_t)1) | |
| 84 | sceFiberRun(theFiber, 0, &argOnReturn); | |
| 85 | else | |
| 86 | sceFiberSwitch(theFiber, 0, &argOnReturn); | |
| 87 | } | |
| 88 | } | |
| 89 | ||
| 90 | #ifdef __cplusplus | |
| 91 | } | |
| 92 | #endif |