From d7444e144ae3851641fc00ba83debd7a065795b5 Mon Sep 17 00:00:00 2001
From: Wolfvak <soherrera1@hotmail.com>
Date: Thu, 23 Jul 2020 23:46:15 -0300
Subject: [PATCH] use a regular global pointer for sharedmem

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
---
 arm9/source/main.c | 1 +
 common/shmem.h     | 6 ++++--
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/arm9/source/main.c b/arm9/source/main.c
index 4d6e8d7..36be0c0 100644
--- a/arm9/source/main.c
+++ b/arm9/source/main.c
@@ -7,6 +7,7 @@
 
 #include "hid.h"
 
+SystemSHMEM *shmemGlobalBase;
 
 void main(int argc, char** argv, int entrypoint)
 {
diff --git a/common/shmem.h b/common/shmem.h
index 39b5255..e377e2f 100755
--- a/common/shmem.h
+++ b/common/shmem.h
@@ -36,13 +36,15 @@ typedef struct {
 #ifdef ARM9
 #include <pxi.h>
 
+extern SystemSHMEM *shmemGlobalBase;
+
 static inline SystemSHMEM *ARM_GetSHMEM(void)
 {
-	return (SystemSHMEM*)ARM_GetTID();
+	return shmemGlobalBase;
 }
 
 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