fixes for compiling with gcc 10

gcc 10 no longer lets you get away with not externing global variables in header files. This adds the necessary extern and adds defines in appropriate c files

bootloader/gfx/gfx.c

@@ -19,6 +19,10 @@
 #include <string.h>
 #include "gfx.h"
 
+// Global gfx console and context.
+gfx_ctxt_t gfx_ctxt;
+gfx_con_t gfx_con;
+
 static const u8 _gfx_font[] = {
 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Char 032 ( )
 	0x00, 0x30, 0x30, 0x18, 0x18, 0x00, 0x0C, 0x00, // Char 033 (!)

bootloader/gfx/gfx.h

@@ -49,7 +49,7 @@ void gfx_set_rect_argb(const u32 *buf, u32 size_x, u32 size_y, u32 pos_x, u32 po
 void gfx_render_bmp_argb(const u32 *buf, u32 size_x, u32 size_y, u32 pos_x, u32 pos_y);
 
 // Global gfx console and context.
-gfx_ctxt_t gfx_ctxt;
-gfx_con_t gfx_con;
+extern gfx_ctxt_t gfx_ctxt;
+extern gfx_con_t gfx_con;
 
 #endif

bootloader/hos/pkg2.c

@@ -36,6 +36,10 @@
 extern hekate_config h_cfg;
 extern const u8 package2_keyseed[];
 
+u32 pkg2_newkern_ini1_val;
+u32 pkg2_newkern_ini1_start;
+u32 pkg2_newkern_ini1_end;
+
 #ifdef KIP1_PATCH_DEBUG
 	#include "../utils/util.h"
 	#define DPRINTF(...) gfx_printf(__VA_ARGS__)

bootloader/hos/pkg2.h

@@ -30,9 +30,9 @@
 #define PKG2_NEWKERN_GET_INI1_HEURISTIC 0xD2800015 // Offset of OP + 12 is the INI1 offset.
 #define PKG2_NEWKERN_START 0x800
 
-u32 pkg2_newkern_ini1_val;
-u32 pkg2_newkern_ini1_start;
-u32 pkg2_newkern_ini1_end;
+extern u32 pkg2_newkern_ini1_val;
+extern u32 pkg2_newkern_ini1_start;
+extern u32 pkg2_newkern_ini1_end;
 
 typedef struct _kernel_patch_t
 {

bootloader/mem/minerva.c

@@ -27,6 +27,7 @@
 #include "../soc/t210.h"
 
 extern volatile nyx_storage_t *nyx_str;
+void (*minerva_cfg)(mtc_config_t *mtc_cfg, void *);
 
 u32 minerva_init()
 {

bootloader/mem/minerva.h

@@ -57,7 +57,7 @@ typedef enum
 	FREQ_1600 = 1600000
 } minerva_freq_t;
 
-void (*minerva_cfg)(mtc_config_t *mtc_cfg, void *);
+extern void (*minerva_cfg)(mtc_config_t *mtc_cfg, void *);
 u32  minerva_init();
 void minerva_change_freq(minerva_freq_t freq);
 void minerva_periodic_training();

bootloader/storage/emummc.c

@@ -29,6 +29,8 @@
 #include "../utils/types.h"
 
 extern hekate_config h_cfg;
+emummc_cfg_t emu_cfg;
+
 
 void emummc_load_cfg()
 {

bootloader/storage/emummc.h

@@ -47,7 +47,7 @@ typedef struct _emummc_cfg_t
 	int fs_ver;
 } emummc_cfg_t;
 
-emummc_cfg_t emu_cfg;
+extern emummc_cfg_t emu_cfg;
 
 void emummc_load_cfg();
 bool emummc_set_path(char *path);

bootloader/storage/nx_sd.c

@@ -25,6 +25,11 @@
 static bool sd_mounted = false;
 static u32  sd_mode = SD_UHS_SDR82;
 
+
+sdmmc_t sd_sdmmc;
+sdmmc_storage_t sd_storage;
+FATFS sd_fs;
+
 u32 sd_get_mode()
 {
 	return sd_mode;

bootloader/storage/nx_sd.h

@@ -30,9 +30,9 @@ enum
 	SD_UHS_SDR82  = 3,
 };
 
-sdmmc_t sd_sdmmc;
-sdmmc_storage_t sd_storage;
-FATFS sd_fs;
+extern sdmmc_t sd_sdmmc;
+extern sdmmc_storage_t sd_storage;
+extern FATFS sd_fs;
 
 u32  sd_get_mode();
 int  sd_init_retry(bool power_cycle);

bootloader/storage/sdmmc.h

@@ -21,7 +21,7 @@
 #include "../utils/types.h"
 #include "sdmmc_driver.h"
 
-u32 sd_power_cycle_time_start;
+extern u32 sd_power_cycle_time_start;
 
 typedef enum _sdmmc_type
 {

bootloader/storage/sdmmc_driver.c

@@ -32,6 +32,8 @@
 //#define DPRINTF(...) gfx_printf(__VA_ARGS__)
 #define DPRINTF(...)
 
+u32 sd_power_cycle_time_start;
+
 /*! SCMMC controller base addresses. */
 static const u32 _sdmmc_bases[4] = {
 	0x700B0000,