10 files changed, 33 insertions, 44 deletions
diff --git a/include/cpu.h b/include/cpu.h
index eb2cdc0..68638a5 100644
--- a/include/cpu.h
+++ b/include/cpu.h
@@ -1,6 +1,8 @@
 #ifndef CPU_H
 #define CPU_H
 
+extern void _start(void);
+
 static inline unsigned long getmode(void)
 {
 	unsigned long mode;
@@ -10,13 +12,7 @@ static inline unsigned long getmode(void)
 
 static inline void setsvc(void)
 {
-	unsigned long mode;
-	asm volatile (
-	"mrs %0, cpsr\n"
-	"bic %0, %0, #0x1F\n"
-	"orr %0, %0, #0x13\n"
-	"msr cpsr_c, %0" 
-	: "=r"(mode));
+	asm volatile ( "cps #0x13" );
 }
 
 static inline void setmode(unsigned long mode)
diff --git a/include/cpu/atomic/swap.h b/include/cpu/atomic/swap.h
index 32717fb..ebaaa1d 100644
--- a/include/cpu/atomic/swap.h
+++ b/include/cpu/atomic/swap.h
@@ -1,6 +1,6 @@
 #ifndef CPU_ATOMIC_SWAP_A_H
 #define CPU_ATOMIC_SWAP_A_H
-#include "../../util/mutex.h"
+#include <util/mutex.h>
 
 /// https://stackoverflow.com/questions/16329123/use-of-strexeq-instead-of-strex-for-spinlock-implementation-in-arm
 /// https://elixir.bootlin.com/linux/v4.9/source/arch/arm/include/asm/spinlock.h
diff --git a/include/globals.h b/include/globals.h
new file mode 100644
index 0000000..0b3eaed
--- /dev/null
+++ b/include/globals.h
@@ -0,0 +1,27 @@
+#ifndef GLOBALS_H
+#define GLOBALS_H
+#include <lib/mem.h>
+#include <sys/schedule.h>
+
+#ifndef GLOBALS_C
+extern unsigned long cntfrq;
+extern unsigned long cmdidx;
+extern char cmd[2048];
+
+extern char* os_info_v;
+extern unsigned long exe_cnt;
+extern struct Mutex exe_cnt_m;
+extern unsigned char rpi_heap[MAX_MM];
+extern void* rpi_heap_top;
+extern unsigned long nextpid;
+extern unsigned long stimel;
+extern unsigned long stimeh;
+extern struct Drawer g_Drawer;
+extern struct Scheduler scheduler;
+extern unsigned long svcsp;
+extern struct cpu_context svccpu;
+extern unsigned int gwidth, gheight, gpitch, gisrgb;
+extern unsigned char stacks_table[MAX_THREADS];
+#endif
+
+#endif
diff --git a/include/graphics/drawer.h b/include/graphics/drawer.h
index 6d97163..67abca0 100644
--- a/include/graphics/drawer.h
+++ b/include/graphics/drawer.h
@@ -6,10 +6,6 @@ struct Drawer {
 	unsigned int y;
 };
 
-#ifndef GRAPHICS_DRAWER_C
-extern struct Drawer g_Drawer;
-#endif
-
 void write_cchar(struct Drawer* d, char s, unsigned int c);
 void write_char(struct Drawer* d, char s);
 
diff --git a/include/graphics/lfb.h b/include/graphics/lfb.h
index a4eef2e..a151a5f 100644
--- a/include/graphics/lfb.h
+++ b/include/graphics/lfb.h
@@ -4,10 +4,6 @@
 #define GG_MAX_X 128
 #define GG_MAX_Y  46
 
-#ifndef GRAPHICS_LFB_C
-extern unsigned int width, height, pitch, isrgb;   /* dimensions and channel order */
-#endif
-
 void lfb_init(void);
 void lfb_showpicture(void);
 
diff --git a/include/lib/mem.h b/include/lib/mem.h
index 529ecea..ea1be5d 100644
--- a/include/lib/mem.h
+++ b/include/lib/mem.h
@@ -6,6 +6,7 @@
 #define MEM_BASE_SIZE 2
 #define MEM_META_SIZE 3
 #define NULL 0
+#define MAX_MM 0x100000
 
 struct MemTab {
 	unsigned char size;
@@ -20,6 +21,7 @@ struct RotBuffer {
 	unsigned int woffset;
 };
 
+void memshow(unsigned char* addr, unsigned int n);
 void memset(unsigned char* dest, unsigned char value, unsigned int n);
 void memcpy(unsigned char* src, unsigned char* dest, unsigned int n);
 unsigned char memcmp(unsigned char* a, unsigned char* b, unsigned int n);
diff --git a/include/sys/core.h b/include/sys/core.h
index eb1f1e6..c68d8de 100644
--- a/include/sys/core.h
+++ b/include/sys/core.h
@@ -1,10 +1,6 @@
 #ifndef SYS_CORE_H
 #define SYS_CORE_H
 
-#ifndef SYS_CORE_C
-extern char* os_info_v;
-#endif
-
 static inline unsigned long load32(unsigned long addr)
 {
 	return *(volatile unsigned long*)addr;
diff --git a/include/sys/kernel.h b/include/sys/kernel.h
deleted file mode 100644
index e724513..0000000
--- a/include/sys/kernel.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef SYS_KERNEL_H
-#define SYS_KERNEL_H
-
-extern unsigned long cntfrq;
-extern unsigned long cmdidx;
-extern char cmd[2048];
-
-#endif
diff --git a/include/sys/schedule.h b/include/sys/schedule.h
index 58c7312..e1cde57 100644
--- a/include/sys/schedule.h
+++ b/include/sys/schedule.h
@@ -53,11 +53,6 @@ struct Scheduler {
 	struct LL tlist[PRIORITIES];
 };
 
-#ifndef SYS_SCHEDULE_C
-#define SYS_SCHEDULE_C
-extern struct Scheduler scheduler;
-#endif
-
 void init_scheduler(void);
 void add_thread(void (*thread_fxn)(void), unsigned char priority);
 extern void schedule(void);
@@ -67,13 +62,6 @@ void cleanup(void);
 void sched_info(void);
 struct LL* get_next_thread(void);
 
-static inline void yield(void)
-{
-	struct Thread* t = scheduler.rthread_ll->data;
-	t->data.status = THREAD_WAITING;
-	schedule();
-}
-
 static inline void preserve_stack(struct Thread* thread)
 {
 	// Get current mode
diff --git a/include/sys/timer.h b/include/sys/timer.h
index f11fd17..7120c18 100644
--- a/include/sys/timer.h
+++ b/include/sys/timer.h
@@ -4,10 +4,6 @@
 /// Cycles Per Second
 #define CPS 100
 
-#ifndef SYS_TIMER_C
-extern struct Mutex exe_cnt_m;
-#endif
-
 void c_timer(void);
 
 #endif