diff --git a/features/FEATURE_UVISOR/AUTHORS.txt b/features/FEATURE_UVISOR/AUTHORS.txt
index 7f5adde714..590795bdc9 100644
--- a/features/FEATURE_UVISOR/AUTHORS.txt
+++ b/features/FEATURE_UVISOR/AUTHORS.txt
@@ -1,13 +1,13 @@
-   569	Milosch Meriac
-   478	Alessandro Angelino
-    73	Jaeden Amero
-    54	Niklas Hauser
-     3	Hugo Vincent
+   584	Milosch Meriac
+   501	Alessandro Angelino
+    95	Jaeden Amero
+    61	Niklas Hauser
+     4	Irit Arkin
      3	JaredCJR
      3	Jim Huang
-     2	Vincenzo Frascino
+     3	Hugo Vincent
      2	tonyyanxuan
+     2	Vincenzo Frascino
      1	Aksel Skauge Mellbye
-     1	Irit Arkin
-     1	Nathan Chong
      1	ccli8
+     1	Nathan Chong
diff --git a/features/FEATURE_UVISOR/VERSION.txt b/features/FEATURE_UVISOR/VERSION.txt
index 70449b9e7a..332a47bc87 100644
--- a/features/FEATURE_UVISOR/VERSION.txt
+++ b/features/FEATURE_UVISOR/VERSION.txt
@@ -1 +1 @@
-v0.25.1
+v0.26.1
diff --git a/features/FEATURE_UVISOR/importer/Makefile b/features/FEATURE_UVISOR/importer/Makefile
index 395b9079b3..26f0cf35d1 100644
--- a/features/FEATURE_UVISOR/importer/Makefile
+++ b/features/FEATURE_UVISOR/importer/Makefile
@@ -96,6 +96,12 @@ publish: rsync TARGET_M3 TARGET_M4
 	#
 	# Rename target directorires to TARGET_* filters...
 	$(foreach target, $(TARGET_TRANSLATION),mv $(TARGET_SUPPORTED)/$(subst .,,$(suffix $(target))) $(TARGET_SUPPORTED)/TARGET_$(basename $(target));)
+	#
+	# Updating checked out version tag
+	git -C $(UVISOR_DIR) describe --tags --abbrev=40 --dirty > $(TARGET_PREFIX)VERSION.txt
+	#
+	# Updated list of authors, sorted by contributions
+	git -C $(UVISOR_DIR) shortlog -s -n > $(TARGET_PREFIX)AUTHORS.txt
 
 uvisor-compile: $(UVISOR_GIT_CFG)
 	make -C $(UVISOR_DIR)
@@ -104,12 +110,6 @@ update: $(UVISOR_GIT_CFG)
 	#
 	# Updating to latest uVisor library version
 	git -C $(UVISOR_DIR) pull --rebase
-	#
-	# Updating checked out version tag
-	git -C $(UVISOR_DIR) describe --tags --abbrev=40 --dirty > $(TARGET_PREFIX)VERSION.txt
-	#
-	# Updated list of authors, sorted by contributions
-	git -C $(UVISOR_DIR) shortlog -s -n > $(TARGET_PREFIX)AUTHORS.txt
 
 $(UVISOR_GIT_CFG):
 	rm -rf $(UVISOR_DIR)
diff --git a/features/FEATURE_UVISOR/includes/uvisor/api/inc/api.h b/features/FEATURE_UVISOR/includes/uvisor/api/inc/api.h
new file mode 100644
index 0000000000..8340d234bc
--- /dev/null
+++ b/features/FEATURE_UVISOR/includes/uvisor/api/inc/api.h
@@ -0,0 +1,86 @@
+/*
+ * Copyright (c) 2016, ARM Limited, All Rights Reserved
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef __UVISOR_API_H__
+#define __UVISOR_API_H__
+
+#include "rt_OsEventObserver.h"
+#include "api/inc/uvisor_exports.h"
+#include "api/inc/unvic_exports.h"
+#include "api/inc/debug_exports.h"
+#include "api/inc/halt_exports.h"
+#include "api/inc/pool_queue_exports.h"
+#include "api/inc/page_allocator_exports.h"
+#include <stdint.h>
+
+#define UVISOR_API_MAGIC 0x5C9411B4
+#define UVISOR_API_VERSION (10)
+
+UVISOR_EXTERN_C_BEGIN
+
+extern void uvisor_init(void);
+
+typedef struct {
+    uint32_t magic;
+    uint32_t (*get_version)(uint32_t);
+
+    void (*init)(void);
+
+    void     (*irq_enable)(uint32_t irqn);
+    void     (*irq_disable)(uint32_t irqn);
+    void     (*irq_disable_all)(void);
+    void     (*irq_enable_all)(void);
+    void     (*irq_set_vector)(uint32_t irqn, uint32_t vector);
+    uint32_t (*irq_get_vector)(uint32_t irqn);
+    void     (*irq_set_priority)(uint32_t irqn, uint32_t priority);
+    uint32_t (*irq_get_priority)(uint32_t irqn);
+    void     (*irq_set_pending)(uint32_t irqn);
+    uint32_t (*irq_get_pending)(uint32_t irqn);
+    void     (*irq_clear_pending)(uint32_t irqn);
+    int      (*irq_get_level)(void);
+    void     (*irq_system_reset)(TResetReason reason);
+
+    int (*page_malloc)(UvisorPageTable * const table);
+    int (*page_free)(const UvisorPageTable * const table);
+
+    int (*box_namespace)(int box_id, char *box_namespace, size_t length);
+
+    void (*debug_init)(const TUvisorDebugDriver * const driver);
+    void (*error)(THaltUserError reason);
+    void (*vmpu_mem_invalidate)(void);
+
+    int                (*pool_init)(uvisor_pool_t *, void *, size_t, size_t, int);
+    int                (*pool_queue_init)(uvisor_pool_queue_t *, uvisor_pool_t *, void *, size_t, size_t, int);
+    uvisor_pool_slot_t (*pool_allocate)(uvisor_pool_t *, uint32_t);
+    void               (*pool_queue_enqueue)(uvisor_pool_queue_t *, uvisor_pool_slot_t);
+    uvisor_pool_slot_t (*pool_free)(uvisor_pool_t *, uvisor_pool_slot_t);
+    uvisor_pool_slot_t (*pool_queue_dequeue)(uvisor_pool_queue_t *, uvisor_pool_slot_t);
+    uvisor_pool_slot_t (*pool_queue_dequeue_first)(uvisor_pool_queue_t *);
+    uvisor_pool_slot_t (*pool_queue_find_first)(uvisor_pool_queue_t *, TQueryFN_Ptr, void *);
+
+    OsEventObserver os_event_observer;
+} UVISOR_PACKED UvisorApi;
+
+extern UvisorApi uvisor_api;
+
+static UVISOR_FORCEINLINE uint32_t uvisor_get_version(void)
+{
+    return uvisor_api.get_version(UVISOR_API_VERSION);
+}
+
+UVISOR_EXTERN_C_END
+
+#endif /* __UVISOR_API_H__ */
diff --git a/features/FEATURE_UVISOR/includes/uvisor/api/inc/box_config.h b/features/FEATURE_UVISOR/includes/uvisor/api/inc/box_config.h
index b6594282ab..4ce03721e4 100644
--- a/features/FEATURE_UVISOR/includes/uvisor/api/inc/box_config.h
+++ b/features/FEATURE_UVISOR/includes/uvisor/api/inc/box_config.h
@@ -24,6 +24,7 @@
 #include <stdint.h>
 
 UVISOR_EXTERN const uint32_t __uvisor_mode;
+UVISOR_EXTERN void const * const main_cfg_ptr;
 
 #define UVISOR_DISABLED   0
 #define UVISOR_PERMISSIVE 1
@@ -58,7 +59,7 @@ UVISOR_EXTERN const uint32_t __uvisor_mode;
         acl_list_count \
     }; \
     \
-    extern const __attribute__((section(".keep.uvisor.cfgtbl_ptr_first"), aligned(4))) void * const main_cfg_ptr = &main_cfg;
+    UVISOR_EXTERN const __attribute__((section(".keep.uvisor.cfgtbl_ptr_first"), aligned(4))) void * const main_cfg_ptr = &main_cfg;
 
 /* Creates a global page heap with at least `minimum_number_of_pages` each of size `page_size` in bytes.
  * The total page heap size is at least `minimum_number_of_pages * page_size`. */
@@ -106,7 +107,10 @@ UVISOR_EXTERN const uint32_t __uvisor_mode;
         acl_list_count \
     }; \
     \
-    extern const __attribute__((section(".keep.uvisor.cfgtbl_ptr"), aligned(4))) void * const box_name ## _cfg_ptr = &box_name ## _cfg;
+    UVISOR_EXTERN const __attribute__((section(".keep.uvisor.cfgtbl_ptr"), aligned(4))) void * const box_name ## _cfg_ptr = &box_name ## _cfg;
+
+#define UVISOR_BOX_EXTERN(box_name) \
+    UVISOR_EXTERN const __attribute__((section(".keep.uvisor.cfgtbl_ptr"), aligned(4))) void * const box_name ## _cfg_ptr;
 
 #define __UVISOR_BOX_CONFIG_NOCONTEXT(box_name, acl_list, stack_size) \
     __UVISOR_BOX_CONFIG(box_name, acl_list, UVISOR_ARRAY_COUNT(acl_list), stack_size, 0) \
@@ -153,13 +157,4 @@ UVISOR_EXTERN const uint32_t __uvisor_mode;
 
 #define uvisor_ctx (*__uvisor_ps)
 
-/* Copy the box namespace of the specified box ID to the memory provided by
- * box_namespace. The box_namespace's length must be at least
- * MAX_BOX_NAMESPACE_LENGTH bytes. Return how many bytes were copied into
- * box_namespace. Return UVISOR_ERROR_INVALID_BOX_ID if the provided box ID is
- * invalid. Return UVISOR_ERROR_BUFFER_TOO_SMALL if the provided box_namespace
- * is too small to hold MAX_BOX_NAMESPACE_LENGTH bytes. Return
- * UVISOR_ERROR_BOX_NAMESPACE_ANONYMOUS if the box is anonymous. */
-UVISOR_EXTERN int uvisor_box_namespace(int box_id, char *box_namespace, size_t length);
-
 #endif /* __UVISOR_API_BOX_CONFIG_H__ */
diff --git a/features/FEATURE_UVISOR/includes/uvisor/api/inc/box_id.h b/features/FEATURE_UVISOR/includes/uvisor/api/inc/box_id.h
index 5ef573db01..6d03ff7c5c 100644
--- a/features/FEATURE_UVISOR/includes/uvisor/api/inc/box_id.h
+++ b/features/FEATURE_UVISOR/includes/uvisor/api/inc/box_id.h
@@ -17,13 +17,29 @@
 #ifndef __UVISOR_API_BOX_ID_H__
 #define __UVISOR_API_BOX_ID_H__
 
-#include "api/inc/uvisor_exports.h"
+#include "api/inc/api.h"
+
+UVISOR_EXTERN_C_BEGIN
 
 /* Return the numeric box ID of the current box. */
-UVISOR_EXTERN int uvisor_box_id_self(void);
+int uvisor_box_id_self(void);
 
 /* Return the numeric box ID of the box that is calling through the most recent
  * secure gateway. Return -1 if there is no secure gateway calling box. */
-UVISOR_EXTERN int uvisor_box_id_caller(void) UVISOR_DEPRECATED;
+int uvisor_box_id_caller(void) UVISOR_DEPRECATED;
+
+/* Copy the box namespace of the specified box ID to the memory provided by
+ * box_namespace. The box_namespace's length must be at least
+ * MAX_BOX_NAMESPACE_LENGTH bytes. Return how many bytes were copied into
+ * box_namespace. Return UVISOR_ERROR_INVALID_BOX_ID if the provided box ID is
+ * invalid. Return UVISOR_ERROR_BUFFER_TOO_SMALL if the provided box_namespace
+ * is too small to hold MAX_BOX_NAMESPACE_LENGTH bytes. Return
+ * UVISOR_ERROR_BOX_NAMESPACE_ANONYMOUS if the box is anonymous. */
+static UVISOR_FORCEINLINE int uvisor_box_namespace(int box_id, char *box_namespace, size_t length)
+{
+    return uvisor_api.box_namespace(box_id, box_namespace, length);
+}
+
+UVISOR_EXTERN_C_END
 
 #endif /* __UVISOR_API_BOX_ID_H__ */
diff --git a/features/FEATURE_UVISOR/includes/uvisor/api/inc/debug.h b/features/FEATURE_UVISOR/includes/uvisor/api/inc/debug.h
index a170d46c79..22e4a24e00 100644
--- a/features/FEATURE_UVISOR/includes/uvisor/api/inc/debug.h
+++ b/features/FEATURE_UVISOR/includes/uvisor/api/inc/debug.h
@@ -20,6 +20,13 @@
 #include "api/inc/debug_exports.h"
 #include "api/inc/uvisor_exports.h"
 
-UVISOR_EXTERN void uvisor_debug_init(const TUvisorDebugDriver * const driver);
+UVISOR_EXTERN_C_BEGIN
+
+static UVISOR_FORCEINLINE void uvisor_debug_init(const TUvisorDebugDriver * const driver)
+{
+    uvisor_api.debug_init(driver);
+}
+
+UVISOR_EXTERN_C_END
 
 #endif /* __UVISOR_API_DEBUG_H__ */
diff --git a/features/FEATURE_UVISOR/includes/uvisor/api/inc/error.h b/features/FEATURE_UVISOR/includes/uvisor/api/inc/error.h
index b7da1cc14b..85f8a492bc 100644
--- a/features/FEATURE_UVISOR/includes/uvisor/api/inc/error.h
+++ b/features/FEATURE_UVISOR/includes/uvisor/api/inc/error.h
@@ -19,7 +19,15 @@
 
 #include "api/inc/halt_exports.h"
 #include "api/inc/uvisor_exports.h"
+#include "api/inc/api.h"
 
-UVISOR_EXTERN void uvisor_error(THaltUserError reason);
+UVISOR_EXTERN_C_BEGIN
+
+static UVISOR_FORCEINLINE void uvisor_error(THaltUserError reason)
+{
+    uvisor_api.error(reason);
+}
+
+UVISOR_EXTERN_C_END
 
 #endif /* __UVISOR_API_ERROR_H__ */
diff --git a/features/FEATURE_UVISOR/includes/uvisor/api/inc/export_table_exports.h b/features/FEATURE_UVISOR/includes/uvisor/api/inc/export_table_exports.h
deleted file mode 100644
index 64aa11ef85..0000000000
--- a/features/FEATURE_UVISOR/includes/uvisor/api/inc/export_table_exports.h
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Copyright (c) 2016, ARM Limited, All Rights Reserved
- * SPDX-License-Identifier: Apache-2.0
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may
- * not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-#ifndef __UVISOR_API_EXPORT_TABLE_EXPORTS_H__
-#define __UVISOR_API_EXPORT_TABLE_EXPORTS_H__
-
-#include "rt_OsEventObserver.h"
-#include "api/inc/pool_queue_exports.h"
-#include <stdint.h>
-
-/* If this magic doesn't match what you get in a TUvisorExportTable, then you
- * didn't find a TUvisorExportTable and all bets are off as to what will be
- * contained in what you found. */
-#define UVISOR_EXPORT_MAGIC 0x5C9411B4
-
-/* This is the export table API version. If this version doesn't match what you
- * get in TUvisorExportTable, then you need a different header file to
- * understand the TUvisorExportTable. */
-#define UVISOR_EXPORT_VERSION 0
-
-typedef struct {
-    /* magic and version must be present as the first two elements in this
-     * table so that across various versions of the table layout, the table can
-     * be interpreted correctly. */
-    uint32_t magic;
-    uint32_t version;
-
-    OsEventObserver os_event_observer;
-
-    UvisorPoolTable pool;
-
-    /* This must be the last element of the table so that uvisor-input.S can
-     * export the size statically. */
-    uint32_t size;
-} TUvisorExportTable;
-
-static inline TUvisorExportTable const * uvisor_export_table(void)
-{
-    /* Defined in uvisor-input.S */
-    extern uint32_t uvisor_config;
-    extern uint32_t uvisor_export_table_size;
-
-    uintptr_t uvisor_config_addr = (uintptr_t) &uvisor_config;
-    return (TUvisorExportTable *) (uvisor_config_addr - uvisor_export_table_size);
-}
-
-#endif
diff --git a/features/FEATURE_UVISOR/includes/uvisor/api/inc/halt_exports.h b/features/FEATURE_UVISOR/includes/uvisor/api/inc/halt_exports.h
index 77ecc588c8..89de61bdd3 100644
--- a/features/FEATURE_UVISOR/includes/uvisor/api/inc/halt_exports.h
+++ b/features/FEATURE_UVISOR/includes/uvisor/api/inc/halt_exports.h
@@ -25,6 +25,7 @@
 #define UVISOR_ERROR_OUT_OF_STRUCTURES          (-7)
 #define UVISOR_ERROR_INVALID_PARAMETERS         (-8)
 #define UVISOR_ERROR_NOT_IMPLEMENTED            (-9)
+#define UVISOR_ERROR_TIMEOUT                    (-10)
 
 
 #define UVISOR_ERROR_CLASS_MASK     (0xFFFF0000UL)
diff --git a/features/FEATURE_UVISOR/includes/uvisor/api/inc/interrupts.h b/features/FEATURE_UVISOR/includes/uvisor/api/inc/interrupts.h
index 579f015a9d..3ede2b6c26 100644
--- a/features/FEATURE_UVISOR/includes/uvisor/api/inc/interrupts.h
+++ b/features/FEATURE_UVISOR/includes/uvisor/api/inc/interrupts.h
@@ -19,18 +19,60 @@
 
 #include "api/inc/unvic_exports.h"
 #include "api/inc/uvisor_exports.h"
+#include "api/inc/api.h"
 #include <stdint.h>
 
-UVISOR_EXTERN void vIRQ_SetVector(uint32_t irqn, uint32_t vector);
-UVISOR_EXTERN uint32_t vIRQ_GetVector(uint32_t irqn);
-UVISOR_EXTERN void vIRQ_EnableIRQ(uint32_t irqn);
-UVISOR_EXTERN void vIRQ_DisableIRQ(uint32_t irqn);
-UVISOR_EXTERN void vIRQ_ClearPendingIRQ(uint32_t irqn);
-UVISOR_EXTERN void vIRQ_SetPendingIRQ(uint32_t irqn);
-UVISOR_EXTERN uint32_t vIRQ_GetPendingIRQ(uint32_t irqn);
-UVISOR_EXTERN void vIRQ_SetPriority(uint32_t irqn, uint32_t priority);
-UVISOR_EXTERN uint32_t vIRQ_GetPriority(uint32_t irqn);
-UVISOR_EXTERN int vIRQ_GetLevel(void);
+UVISOR_EXTERN_C_BEGIN
+
+static UVISOR_FORCEINLINE void vIRQ_SetVector(uint32_t irqn, uint32_t vector)
+{
+    uvisor_api.irq_set_vector(irqn, vector);
+}
+
+static UVISOR_FORCEINLINE uint32_t vIRQ_GetVector(uint32_t irqn)
+{
+    return uvisor_api.irq_get_vector(irqn);
+}
+
+static UVISOR_FORCEINLINE void vIRQ_EnableIRQ(uint32_t irqn)
+{
+    uvisor_api.irq_enable(irqn);
+}
+
+static UVISOR_FORCEINLINE void vIRQ_DisableIRQ(uint32_t irqn)
+{
+    uvisor_api.irq_disable(irqn);
+}
+
+static UVISOR_FORCEINLINE void vIRQ_ClearPendingIRQ(uint32_t irqn)
+{
+    uvisor_api.irq_clear_pending(irqn);
+}
+
+static UVISOR_FORCEINLINE void vIRQ_SetPendingIRQ(uint32_t irqn)
+{
+    uvisor_api.irq_set_pending(irqn);
+}
+
+static UVISOR_FORCEINLINE uint32_t vIRQ_GetPendingIRQ(uint32_t irqn)
+{
+    return uvisor_api.irq_get_pending(irqn);
+}
+
+static UVISOR_FORCEINLINE void vIRQ_SetPriority(uint32_t irqn, uint32_t priority)
+{
+    uvisor_api.irq_set_priority(irqn, priority);
+}
+
+static UVISOR_FORCEINLINE uint32_t vIRQ_GetPriority(uint32_t irqn)
+{
+    return uvisor_api.irq_get_priority(irqn);
+}
+
+static UVISOR_FORCEINLINE int vIRQ_GetLevel(void)
+{
+    return uvisor_api.irq_get_level();
+}
 
 /** Disable all interrupts for the currently active box.
  *
@@ -51,7 +93,10 @@ UVISOR_EXTERN int vIRQ_GetLevel(void);
  * vIRQ_EnableAll();   counter = 0; IRQs are now re-enabled.
  *
  * where some_function() also has a disable/enable pair. */
-UVISOR_EXTERN void vIRQ_DisableAll(void);
+static UVISOR_FORCEINLINE void vIRQ_DisableAll(void)
+{
+    uvisor_api.irq_disable_all();
+}
 
 /** Re-enable all interrupts that were previously disabled for the currently
  *  active box.
@@ -59,12 +104,20 @@ UVISOR_EXTERN void vIRQ_DisableAll(void);
  * This function only re-enables interrupt if the uVisor internal counter is set
  * to 0, to make sure that nested disabling of IRQs is still effective. See
  * ::vIRQ_DisableAll for more information. */
-UVISOR_EXTERN void vIRQ_EnableAll(void);
+static UVISOR_FORCEINLINE void vIRQ_EnableAll(void)
+{
+    uvisor_api.irq_enable_all();
+}
 
 /** Reset the device.
  * @warning Currently only the debug box can reset the device.
  * @param reason[in]    Reason for rebooting. Currently not used.
  */
-UVISOR_EXTERN void vIRQ_SystemReset(TResetReason reason);
+static UVISOR_FORCEINLINE void vIRQ_SystemReset(TResetReason reason)
+{
+    return uvisor_api.irq_system_reset(reason);
+}
+
+UVISOR_EXTERN_C_END
 
 #endif /* __UVISOR_API_INTERRUPTS_H__ */
diff --git a/features/FEATURE_UVISOR/includes/uvisor/api/inc/page_allocator.h b/features/FEATURE_UVISOR/includes/uvisor/api/inc/page_allocator.h
index 7dae4b694f..35ab826c8b 100644
--- a/features/FEATURE_UVISOR/includes/uvisor/api/inc/page_allocator.h
+++ b/features/FEATURE_UVISOR/includes/uvisor/api/inc/page_allocator.h
@@ -19,22 +19,36 @@
 
 #include "api/inc/uvisor_exports.h"
 #include "api/inc/page_allocator_exports.h"
+#include "api/inc/api.h"
 #include <stdint.h>
 
+UVISOR_EXTERN_C_BEGIN
+
 /* Allocate a number of requested pages with the requested page size.
  * @param table.page_size[in]     Must be equal to the current page size
  * @param table.page_count[in]    The number of pages to be allocated
  * @param table.page_origins[out] Pointers to the page origins. The table must be large enough to hold page_count entries.
  * @returns Non-zero on failure with failure class `UVISOR_ERROR_CLASS_PAGE`. See `UVISOR_ERROR_PAGE_*`.
  */
-UVISOR_EXTERN int uvisor_page_malloc(UvisorPageTable * const table);
+static UVISOR_FORCEINLINE int uvisor_page_malloc(UvisorPageTable * const table)
+{
+    return uvisor_api.page_malloc(table);
+}
 
 /* Free the pages associated with the table, only if it passes validation.
  * @returns Non-zero on failure with failure class `UVISOR_ERROR_CLASS_PAGE`. See `UVISOR_ERROR_PAGE_*`.
  */
-UVISOR_EXTERN int uvisor_page_free(const UvisorPageTable * const table);
+static UVISOR_FORCEINLINE int uvisor_page_free(const UvisorPageTable * const table)
+{
+    return uvisor_api.page_free(table);
+}
 
 /* @returns the active page size for one page. */
-UVISOR_EXTERN uint32_t uvisor_get_page_size(void);
+static UVISOR_FORCEINLINE uint32_t uvisor_get_page_size(void)
+{
+    return __uvisor_page_size;
+}
+
+UVISOR_EXTERN_C_END
 
 #endif /* __UVISOR_API_PAGE_ALLOCATOR_H__ */
diff --git a/features/FEATURE_UVISOR/includes/uvisor/api/inc/pool_queue_exports.h b/features/FEATURE_UVISOR/includes/uvisor/api/inc/pool_queue_exports.h
index 7748886d19..38f1f139d4 100644
--- a/features/FEATURE_UVISOR/includes/uvisor/api/inc/pool_queue_exports.h
+++ b/features/FEATURE_UVISOR/includes/uvisor/api/inc/pool_queue_exports.h
@@ -194,15 +194,4 @@ static inline void * uvisor_pool_pointer_to(uvisor_pool_t * pool, uvisor_pool_sl
     return (uint8_t *) pool->array + pool->stride * slot;
 }
 
-typedef struct {
-    int (*init)(uvisor_pool_t *, void *, size_t, size_t, int);
-    int (*queue_init)(uvisor_pool_queue_t *, uvisor_pool_t *, void *, size_t, size_t, int);
-    uvisor_pool_slot_t (*allocate)(uvisor_pool_t *, uint32_t);
-    void (*queue_enqueue)(uvisor_pool_queue_t *, uvisor_pool_slot_t);
-    uvisor_pool_slot_t (*free)(uvisor_pool_t *, uvisor_pool_slot_t);
-    uvisor_pool_slot_t (*queue_dequeue)(uvisor_pool_queue_t *, uvisor_pool_slot_t);
-    uvisor_pool_slot_t (*queue_dequeue_first)(uvisor_pool_queue_t *);
-    uvisor_pool_slot_t (*queue_find_first)(uvisor_pool_queue_t *, TQueryFN_Ptr, void *);
-} UvisorPoolTable;
-
 #endif
diff --git a/features/FEATURE_UVISOR/includes/uvisor/api/inc/register_gateway.h b/features/FEATURE_UVISOR/includes/uvisor/api/inc/register_gateway.h
index 532554f85a..ade380b82c 100644
--- a/features/FEATURE_UVISOR/includes/uvisor/api/inc/register_gateway.h
+++ b/features/FEATURE_UVISOR/includes/uvisor/api/inc/register_gateway.h
@@ -19,6 +19,7 @@
 
 #include "api/inc/register_gateway_exports.h"
 #include "api/inc/uvisor_exports.h"
+#include "api/inc/svc_exports.h"
 #include <stdint.h>
 
 /** Get the offset of a struct member.
@@ -26,6 +27,9 @@
  */
 #define __UVISOR_OFFSETOF(type, member) ((uint32_t) (&(((type *)(0))->member)))
 
+/** Generate the SVCall opcode from the SVC ID. */
+#define UVISOR_SVC_OPCODE(id) ((uint16_t) (0xDF00 | ((id) & 0xFF)))
+
 /** Generate the opcode of the 16-bit Thumb-2 16-bit T2 encoding of the branch
  *  instruction.
  * @internal
diff --git a/features/FEATURE_UVISOR/includes/uvisor/api/inc/svc_exports.h b/features/FEATURE_UVISOR/includes/uvisor/api/inc/svc_exports.h
index 2d53006188..8d434f8815 100644
--- a/features/FEATURE_UVISOR/includes/uvisor/api/inc/svc_exports.h
+++ b/features/FEATURE_UVISOR/includes/uvisor/api/inc/svc_exports.h
@@ -18,6 +18,7 @@
 #define __UVISOR_API_SVC_EXPORTS_H__
 
 #include "api/inc/uvisor_exports.h"
+#include "api/inc/api.h"
 #include <stdint.h>
 
 /* An SVCall takes a 8bit immediate, which is used as follows:
@@ -88,31 +89,6 @@
                                                          UVISOR_SVC_FAST_INDEX(index) | \
                                                          UVISOR_SVC_FAST_NARGS_SET(nargs)))
 
-/* SVC immediate values for custom table */
-#define UVISOR_SVC_ID_ISR_SET               UVISOR_SVC_CUSTOM_TABLE(1)
-#define UVISOR_SVC_ID_ISR_GET               UVISOR_SVC_CUSTOM_TABLE(2)
-#define UVISOR_SVC_ID_IRQ_ENABLE            UVISOR_SVC_CUSTOM_TABLE(3)
-#define UVISOR_SVC_ID_IRQ_DISABLE           UVISOR_SVC_CUSTOM_TABLE(4)
-#define UVISOR_SVC_ID_IRQ_PEND_CLR          UVISOR_SVC_CUSTOM_TABLE(5)
-#define UVISOR_SVC_ID_IRQ_PEND_SET          UVISOR_SVC_CUSTOM_TABLE(6)
-#define UVISOR_SVC_ID_IRQ_PEND_GET          UVISOR_SVC_CUSTOM_TABLE(7)
-#define UVISOR_SVC_ID_IRQ_PRIO_SET          UVISOR_SVC_CUSTOM_TABLE(8)
-#define UVISOR_SVC_ID_IRQ_PRIO_GET          UVISOR_SVC_CUSTOM_TABLE(9)
-#define UVISOR_SVC_ID_BENCHMARK_CFG         UVISOR_SVC_CUSTOM_TABLE(10)
-#define UVISOR_SVC_ID_BENCHMARK_RST         UVISOR_SVC_CUSTOM_TABLE(11)
-#define UVISOR_SVC_ID_BENCHMARK_STOP        UVISOR_SVC_CUSTOM_TABLE(12)
-#define UVISOR_SVC_ID_HALT_USER_ERR         UVISOR_SVC_CUSTOM_TABLE(13)
-#define UVISOR_SVC_ID_IRQ_LEVEL_GET         UVISOR_SVC_CUSTOM_TABLE(14)
-#define UVISOR_SVC_ID_BOX_ID_SELF           UVISOR_SVC_CUSTOM_TABLE(15)
-#define UVISOR_SVC_ID_BOX_ID_CALLER         UVISOR_SVC_CUSTOM_TABLE(16)
-#define UVISOR_SVC_ID_BOX_NAMESPACE_FROM_ID UVISOR_SVC_CUSTOM_TABLE(17)
-#define UVISOR_SVC_ID_DEBUG_REBOOT          UVISOR_SVC_CUSTOM_TABLE(18)
-#define UVISOR_SVC_ID_DEBUG_REGISTER_BOX    UVISOR_SVC_CUSTOM_TABLE(19)
-#define UVISOR_SVC_ID_IRQ_DISABLE_ALL       UVISOR_SVC_CUSTOM_TABLE(20)
-#define UVISOR_SVC_ID_IRQ_ENABLE_ALL        UVISOR_SVC_CUSTOM_TABLE(21)
-#define UVISOR_SVC_ID_PAGE_MALLOC           UVISOR_SVC_CUSTOM_TABLE(22)
-#define UVISOR_SVC_ID_PAGE_FREE             UVISOR_SVC_CUSTOM_TABLE(23)
-
 /* SVC immediate values for hardcoded table (call from unprivileged) */
 #define UVISOR_SVC_ID_UNVIC_OUT           UVISOR_SVC_FIXED_TABLE(0, 0)
 /* Deprecated: UVISOR_SVC_ID_CX_IN(nargs) UVISOR_SVC_FIXED_TABLE(1, nargs) */
@@ -124,42 +100,4 @@
 /* SVC immediate values for hardcoded table (call from privileged) */
 #define UVISOR_SVC_ID_UNVIC_IN         UVISOR_SVC_FIXED_TABLE(0, 0)
 
-/** Generate the SVCall opcode from the SVC ID. */
-#define UVISOR_SVC_OPCODE(id) ((uint16_t) 0xDF00 | (uint8_t) ((id) & 0xFF))
-
-/* macro to execute an SVCall; additional metadata can be provided, which will
- * be appended right after the svc instruction */
-/* note: the macro is implicitly overloaded to allow 0 to 4 32bits arguments */
-#if defined(__CC_ARM)
-
-#elif defined(__GNUC__)
-
-#define UVISOR_SVC(id, metadata, ...) \
-    ({ \
-        UVISOR_MACRO_REGS_ARGS(uint32_t, ##__VA_ARGS__); \
-        UVISOR_MACRO_REGS_RETVAL(uint32_t, res); \
-        asm volatile( \
-            "svc %[svc_id]\n" \
-            metadata \
-            : UVISOR_MACRO_GCC_ASM_OUTPUT(res) \
-            : UVISOR_MACRO_GCC_ASM_INPUT(__VA_ARGS__), \
-              [svc_id] "I" ((id) & 0xFF) \
-        ); \
-        res; \
-    })
-
-#define UVISOR_FUNCTION_CALL(dst_fn, ...) \
-    ({ \
-        UVISOR_MACRO_REGS_ARGS(uint32_t, ##__VA_ARGS__); \
-        UVISOR_MACRO_REGS_RETVAL(uint32_t, res); \
-        asm volatile( \
-            "bl " UVISOR_TO_STRING(dst_fn) "\n" \
-            : UVISOR_MACRO_GCC_ASM_OUTPUT(res) \
-            : UVISOR_MACRO_GCC_ASM_INPUT(__VA_ARGS__) \
-        ); \
-        res; \
-    })
-
-#endif /* defined(__CC_ARM) || defined(__GNUC__) */
-
 #endif /* __UVISOR_API_SVC_EXPORTS_H__ */
diff --git a/features/FEATURE_UVISOR/includes/uvisor/api/inc/unvic_exports.h b/features/FEATURE_UVISOR/includes/uvisor/api/inc/unvic_exports.h
index 50f917fb85..69474793a3 100644
--- a/features/FEATURE_UVISOR/includes/uvisor/api/inc/unvic_exports.h
+++ b/features/FEATURE_UVISOR/includes/uvisor/api/inc/unvic_exports.h
@@ -21,7 +21,7 @@
 
 /* this value refers to the minimum allowable priority in the physical NVIC
  * module, but not in the virtualised one (vIRQ) */
-#define __UVISOR_NVIC_MIN_PRIORITY ((uint32_t) 1)
+#define __UVISOR_NVIC_MIN_PRIORITY ((uint32_t) 2)
 
 /* this is the maximum priority allowed for the vIRQ module */
 /* users of uVisor APIs can use this to determine the maximum level of
diff --git a/features/FEATURE_UVISOR/includes/uvisor/api/inc/uvisor-lib.h b/features/FEATURE_UVISOR/includes/uvisor/api/inc/uvisor-lib.h
index 64e3be5c1b..edb0ba2289 100644
--- a/features/FEATURE_UVISOR/includes/uvisor/api/inc/uvisor-lib.h
+++ b/features/FEATURE_UVISOR/includes/uvisor/api/inc/uvisor-lib.h
@@ -25,7 +25,7 @@
 #if defined(UVISOR_PRESENT) && UVISOR_PRESENT == 1
 
 /* Library header files */
-#include "api/inc/benchmark.h"
+#include "api/inc/api.h"
 #include "api/inc/box_config.h"
 #include "api/inc/box_id.h"
 #include "api/inc/debug.h"
@@ -37,6 +37,7 @@
 #include "api/inc/rpc_gateway.h"
 #include "api/inc/secure_access.h"
 #include "api/inc/uvisor_semaphore.h"
+#include "api/inc/vmpu.h"
 
 #else /* defined(UVISOR_PRESENT) && UVISOR_PRESENT == 1 */
 
@@ -56,11 +57,9 @@ UVISOR_EXTERN int uvisor_lib_init(void);
  * target platform. */
 #include "api/inc/debug_exports.h"
 #include "api/inc/context_exports.h"
-#include "api/inc/export_table_exports.h"
 #include "api/inc/halt_exports.h"
 #include "api/inc/register_gateway_exports.h"
 #include "api/inc/rpc_gateway_exports.h"
-#include "api/inc/svc_exports.h"
 #include "api/inc/priv_sys_hook_exports.h"
 #include "api/inc/unvic_exports.h"
 #include "api/inc/uvisor_exports.h"
diff --git a/features/FEATURE_UVISOR/includes/uvisor/api/inc/benchmark.h b/features/FEATURE_UVISOR/includes/uvisor/api/inc/vmpu.h
similarity index 60%
rename from features/FEATURE_UVISOR/includes/uvisor/api/inc/benchmark.h
rename to features/FEATURE_UVISOR/includes/uvisor/api/inc/vmpu.h
index b3e0c6c792..ca6f5634df 100644
--- a/features/FEATURE_UVISOR/includes/uvisor/api/inc/benchmark.h
+++ b/features/FEATURE_UVISOR/includes/uvisor/api/inc/vmpu.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013-2015, ARM Limited, All Rights Reserved
+ * Copyright (c) 2013-2016, ARM Limited, All Rights Reserved
  * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License"); you may
@@ -14,14 +14,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-#ifndef __UVISOR_API_BENCHMARK_H__
-#define __UVISOR_API_BENCHMARK_H__
+#ifndef __UVISOR_API_VMPU_H__
+#define __UVISOR_API_VMPU_H__
 
 #include "api/inc/uvisor_exports.h"
-#include <stdint.h>
+#include "api/inc/api.h"
 
-UVISOR_EXTERN void uvisor_benchmark_configure(void);
-UVISOR_EXTERN void uvisor_benchmark_start(void);
-UVISOR_EXTERN uint32_t uvisor_benchmark_stop(void);
+UVISOR_EXTERN_C_BEGIN
 
-#endif /* __UVISOR_API_BENCHMARK_H__ */
+/* Invalidate all regions in the MPU, forcing subsequent memory accesses to
+ * fault. */
+static UVISOR_FORCEINLINE void uvisor_vmpu_mem_invalidate(void)
+{
+    uvisor_api.vmpu_mem_invalidate();
+}
+
+UVISOR_EXTERN_C_END
+
+#endif /* __UVISOR_API_VMPU_H__ */
diff --git a/features/FEATURE_UVISOR/source/page_allocator.c_inc b/features/FEATURE_UVISOR/source/page_allocator.c_inc
index 871eb3d082..fa6d71576f 100644
--- a/features/FEATURE_UVISOR/source/page_allocator.c_inc
+++ b/features/FEATURE_UVISOR/source/page_allocator.c_inc
@@ -23,8 +23,8 @@
 #include <uvisor.h>
 #include "page_allocator.h"
 #include "page_allocator_faults.h"
-#include "mpu/vmpu_unpriv_access.h"
-#include "mpu/vmpu.h"
+#include "vmpu_unpriv_access.h"
+#include "vmpu.h"
 #include "halt.h"
 #include "context.h"
 
diff --git a/features/FEATURE_UVISOR/source/rtx/uvisor_semaphore.c b/features/FEATURE_UVISOR/source/rtx/uvisor_semaphore.c
index be34c08a7b..97cd09ea95 100644
--- a/features/FEATURE_UVISOR/source/rtx/uvisor_semaphore.c
+++ b/features/FEATURE_UVISOR/source/rtx/uvisor_semaphore.c
@@ -35,7 +35,7 @@ int __uvisor_semaphore_pend(UvisorSemaphore * s, uint32_t timeout_ms)
     }
 
     if (num_available_tokens == 0) {
-        return UVISOR_ERROR_OUT_OF_STRUCTURES;
+        return UVISOR_ERROR_TIMEOUT;
     }
 
     return 0;
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