drivers: gud: Exynos7870 MobiCore Driver

* Experimental
* Minor changes , mainly secure_os booster

Signed-off-by: Anan Jaser <ananjaser@gmail.com>

Author: ananjaser1211

drivers/gud/Kconfig

@@ -2,17 +2,6 @@
 # Mobicore Configuration
 #
 
-config SOC_EXYNOS8890_KINIBI311
-        bool "Enable kinibi311"
-        default n
-
-
-if SOC_EXYNOS8890 && SOC_EXYNOS8890_KINIBI311
-source "drivers/gud/gud-exynos8890_kinibi311/Kconfig"
-source "drivers/gud/TlcTui/Kconfig"
-endif
-
-if SOC_EXYNOS8890 && !SOC_EXYNOS8890_KINIBI311
+if SOC_EXYNOS8890
 source "drivers/gud/gud-exynos8890/Kconfig"
-source "drivers/gud/TlcTui/Kconfig"
 endif

drivers/gud/Makefile

@@ -1,7 +1,2 @@
-ifeq ($(CONFIG_SOC_EXYNOS8890_KINIBI311), y)
-obj-$(CONFIG_SOC_EXYNOS8890_KINIBI311) += gud-exynos8890_kinibi311/
-obj-$(CONFIG_TRUSTONIC_TRUSTED_UI) += TlcTui/
-else ifeq ($(CONFIG_SOC_EXYNOS8890), y)
 obj-$(CONFIG_SOC_EXYNOS8890) += gud-exynos8890/
-obj-$(CONFIG_TRUSTONIC_TRUSTED_UI) += TlcTui/
-endif
+

drivers/gud/TlcTui/Makefile

@@ -31,9 +31,15 @@ config TRUSTONIC_TRUSTED_UI
 
 config TRUSTONIC_TRUSTED_UI_FB_BLANK
     bool "Trustonic Trusted UI with fb_blank"
+	default y
     depends on TRUSTONIC_TRUSTED_UI
     ---help---
     Blank the framebuffer before starting a TUI session
 
+config TRUSTED_UI_TOUCH_ENABLE
+	bool "TBase Trusted UI use touch related code"
+	default y
+	depends on TRUSTONIC_TRUSTED_UI
+
 source "drivers/gud/gud-exynos8890/sec-os-ctrl/Kconfig"
 source "drivers/gud/gud-exynos8890/sec-os-booster/Kconfig"

drivers/gud/TlcTui/build_tag.h

@@ -3,7 +3,7 @@
 #
 
 obj-$(CONFIG_TRUSTONIC_TEE) := MobiCoreDriver/
-#obj-$(CONFIG_TRUSTONIC_TRUSTED_UI) += TlcTui/
+obj-$(CONFIG_TRUSTONIC_TRUSTED_UI) += TlcTui/
 
 obj-$(CONFIG_SECURE_OS_CONTROL) += sec-os-ctrl/
 obj-$(CONFIG_SECURE_OS_BOOSTER_API) += sec-os-booster/

drivers/gud/gud-exynos8890/Kconfig

@@ -496,6 +496,10 @@ static void mc_admin_sendcrashdump(void)
 {
 	int ret = 0;
 
+	/* ExySp: to be updated in official release */
+	/* Prevent daemon reconnection */
+	admin_ctx.last_start_ret = -EHOSTUNREACH;
+
 	/* Lock communication channel */
 	channel_lock();
 

drivers/gud/gud-exynos8890/Makefile

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013-2015 TRUSTONIC LIMITED
+ * Copyright (c) 2013-2017 TRUSTONIC LIMITED
  * All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or

drivers/gud/gud-exynos8890/MobiCoreDriver/admin.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013-2015 TRUSTONIC LIMITED
+ * Copyright (c) 2013-2017 TRUSTONIC LIMITED
  * All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or
@@ -37,10 +37,6 @@
 #include "clock.h"	/* mc_clock_enable, mc_clock_disable */
 #include "fastcall.h"
 
-#ifdef CONFIG_RKP_CFP_FIX_SMC_BUG
-#include <linux/rkp_cfp.h>
-#endif
-
 /* ExySp: Lock for core switch processing */
 #ifdef CONFIG_SECURE_OS_BOOSTER_API
 struct mutex core_switch_lock;
@@ -52,7 +48,7 @@ int __mc_switch_core(int cpu);
 #endif
 
 #if KERNEL_VERSION(3, 15, 0) > LINUX_VERSION_CODE
-#define MIN_NICE   -20
+#define MIN_NICE	-20
 #endif
 
 struct fastcall_work {
@@ -178,13 +174,7 @@ static inline int _smc(union mc_fc_generic *mc_fc_generic)
 		 * the asm code might clobber them.
 		 */
 		__asm__ volatile (
-#ifdef CONFIG_RKP_CFP_FIX_SMC_BUG
-			PRE_SMC_INLINE
-#endif
 			"smc #0\n"
-#ifdef CONFIG_RKP_CFP_FIX_SMC_BUG
-			POST_SMC_INLINE
-#endif
 			: "+r"(reg0), "+r"(reg1), "+r"(reg2), "+r"(reg3)
 			:
 			: "x4", "x5", "x6", "x7", "x8", "x9", "x10", "x11",
@@ -205,13 +195,7 @@ static inline int _smc(union mc_fc_generic *mc_fc_generic)
 			 */
 			".arch_extension sec\n"
 #endif /* MC_ARCH_EXTENSION_SEC */
-#ifdef CONFIG_RKP_CFP_FIX_SMC_BUG
-			PRE_SMC_INLINE
-#endif
 			"smc #0\n"
-#ifdef CONFIG_RKP_CFP_FIX_SMC_BUG
-			POST_SMC_INLINE
-#endif
 			: "+r"(reg0), "+r"(reg1), "+r"(reg2), "+r"(reg3)
 		);
 
@@ -323,7 +307,7 @@ static int mobicore_cpu_callback(struct notifier_block *nfb,
 				 unsigned long action, void *hcpu)
 {
 	int cpu = (int)(uintptr_t)hcpu;
-
+	
 	switch (action) {
 #ifdef CONFIG_SECURE_OS_BOOSTER_API
 /* ExySp: for sos performance */
@@ -444,7 +428,6 @@ static void fastcall_work_func(struct work_struct *work)
 		}
 #endif
 		_smc(mc_fc_generic);
-
 	/* ExySp: for sos performance */
 #ifdef CONFIG_SECURE_OS_BOOSTER_API
 		if (irq_check_cnt) {
@@ -509,7 +492,7 @@ int mc_fastcall_init(void)
 		mc_dev_err("cannot create fastcall wq: %d\n", ret);
 		return ret;
 	}
-	
+
 	set_user_nice(fastcall_thread, MIN_NICE);
 
 	/* this thread MUST run on CPU 0 at startup */
@@ -749,16 +732,16 @@ int mc_switch_core(int cpu)
 #ifdef CONFIG_SECURE_OS_BOOSTER_API
 int mc_switch_core(int cpu)
 {
-       int ret;
-       mutex_lock(&core_switch_lock);
-       if (!(core_status & (0x1 << cpu))){
-               mc_dev_devel("Core status... core #%d is off line\n", cpu);
-               mutex_unlock(&core_switch_lock);
-               return 1;
-       }
-       ret = __mc_switch_core(cpu);
-       mutex_unlock(&core_switch_lock);
-       return ret;
+	int ret;
+	mutex_lock(&core_switch_lock);
+	if (!(core_status & (0x1 << cpu))){
+		mc_dev_devel("Core status... core #%d is off line\n", cpu);
+		mutex_unlock(&core_switch_lock);
+		return 1;
+	}
+	ret = __mc_switch_core(cpu);
+	mutex_unlock(&core_switch_lock);
+	return ret;
 }
 #endif
 #endif

drivers/gud/gud-exynos8890/MobiCoreDriver/client.c

@@ -121,8 +121,8 @@ static inline void kasnprintf_buf_reset(struct kasnprintf_buf *buf)
 }
 
 ssize_t debug_generic_read(struct file *file, char __user *user_buf,
-							size_t count, loff_t *ppos,
-							int (*function)(struct kasnprintf_buf *buf))
+			   size_t count, loff_t *ppos,
+			   int (*function)(struct kasnprintf_buf *buf))
 {
 	struct kasnprintf_buf *buf = file->private_data;
 	int ret = 0;
@@ -132,19 +132,19 @@ ssize_t debug_generic_read(struct file *file, char __user *user_buf,
 	if (!*ppos) {
 		kasnprintf_buf_reset(buf);
 		ret = function(buf);
-	    if (ret < 0) {
+		if (ret < 0) {
 			kasnprintf_buf_reset(buf);
 			goto end;
 		}
-	}
+		}
 
 	ret = simple_read_from_buffer(user_buf, count, ppos, buf->buf,
 									buf->off);
 
 	end:
 		mutex_unlock(&buf->mutex);
 		return ret;
-}
+	}
 
 int debug_generic_open(struct inode *inode, struct file *file)
 {
@@ -655,9 +655,9 @@ static int mobicore_probe(struct platform_device *pdev)
 	}
 
 	/*
-	 * Create admin dev so that daemon can already communicate with
-	 * the driver
-	 */
+	* Create admin dev so that daemon can already communicate with
+	* the driver
+	*/
 	err = device_admin_init();
 	if (err)
 		goto fail_creat_dev_admin;
@@ -674,7 +674,7 @@ static int mobicore_probe(struct platform_device *pdev)
 	 */
 	mc_switch_core(NONBOOT_LITTLE_CORE);
 
-	return 0;
+		return 0;
 
 fail_start:
 	device_admin_exit();