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use a regular global pointer for sharedmem

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fetching the thread id requires coprocessor access which means doing funky switches between thumb and arm -
it's faster to just allocate a single pointer and do an indirect load when necessary
This commit is contained in:
Wolfvak 2020-07-23 23:46:15 -03:00
parent 3973ce57df
commit d7444e144a
2 changed files with 5 additions and 2 deletions
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1
arm9/source/main.c
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@ -7,6 +7,7 @@
#include "hid.h" #include "hid.h"
SystemSHMEM *shmemGlobalBase;
void main(int argc, char** argv, int entrypoint) void main(int argc, char** argv, int entrypoint)
{ {

6
common/shmem.h
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@ -36,13 +36,15 @@ typedef struct {
#ifdef ARM9 #ifdef ARM9
#include <pxi.h> #include <pxi.h>
extern SystemSHMEM *shmemGlobalBase;
static inline SystemSHMEM *ARM_GetSHMEM(void) static inline SystemSHMEM *ARM_GetSHMEM(void)
{ {
return (SystemSHMEM*)ARM_GetTID(); return shmemGlobalBase;
} }
static inline void ARM_InitSHMEM(void) static inline void ARM_InitSHMEM(void)
{ {
ARM_SetTID(PXI_DoCMD(PXI_GET_SHMEM, NULL, 0)); shmemGlobalBase = (SystemSHMEM*)PXI_DoCMD(PXI_GET_SHMEM, NULL, 0);
} }
#endif #endif