endif
endif
+# SDEI_IN_FCONF is only supported when SDEI_SUPPORT is enabled.
+ifeq ($(SDEI_SUPPORT)-$(SDEI_IN_FCONF),0-1)
+$(error "SDEI_IN_FCONF is an experimental feature and is only supported when \
+ SDEI_SUPPORT is enabled")
+endif
+
# If pointer authentication is used in the firmware, make sure that all the
# registers associated to it are also saved and restored.
# Not doing it would leak the value of the keys used by EL3 to EL1 and S-EL1.
$(eval $(call assert_boolean,USE_COHERENT_MEM))
$(eval $(call assert_boolean,USE_DEBUGFS))
$(eval $(call assert_boolean,ARM_IO_IN_DTB))
+$(eval $(call assert_boolean,SDEI_IN_FCONF))
$(eval $(call assert_boolean,USE_ROMLIB))
$(eval $(call assert_boolean,USE_TBBR_DEFS))
$(eval $(call assert_boolean,WARMBOOT_ENABLE_DCACHE_EARLY))
$(eval $(call add_define,USE_COHERENT_MEM))
$(eval $(call add_define,USE_DEBUGFS))
$(eval $(call add_define,ARM_IO_IN_DTB))
+$(eval $(call add_define,SDEI_IN_FCONF))
$(eval $(call add_define,USE_ROMLIB))
$(eval $(call add_define,USE_TBBR_DEFS))
$(eval $(call add_define,WARMBOOT_ENABLE_DCACHE_EARLY))
configuration device tree, instead of static structure in the code base.
This is currently an experimental feature.
+- ``SDEI_IN_FCONF``: This flag determines whether to configure SDEI setup in
+ runtime using firmware configuration framework. The platform specific SDEI
+ shared and private events configuration is retrieved from device tree rather
+ than static C structures at compile time. This is currently an experimental
+ feature and is only supported if SDEI_SUPPORT build flag is enabled.
- ``USE_ROMLIB``: This flag determines whether library at ROM will be used.
This feature creates a library of functions to be placed in ROM and thus
* SPDX-License-Identifier: BSD-3-Clause
*/
+#include <services/sdei_flags.h>
+
/memreserve/ 0x80000000 0x00010000;
/ {
max-pwr-lvl = <2>;
};
+#if SDEI_IN_FCONF
+ firmware {
+ sdei {
+ compatible = "arm,sdei-1.0";
+ method = "smc";
+ private_event_count = <3>;
+ shared_event_count = <3>;
+ /*
+ * Each event descriptor has typically 3 fields:
+ * 1. Event number
+ * 2. Interrupt number the event is bound to or
+ * if event is dynamic, specified as SDEI_DYN_IRQ
+ * 3. Bit map of event flags
+ */
+ private_events = <1000 SDEI_DYN_IRQ SDEI_MAPF_DYNAMIC>,
+ <1001 SDEI_DYN_IRQ SDEI_MAPF_DYNAMIC>,
+ <1002 SDEI_DYN_IRQ SDEI_MAPF_DYNAMIC>;
+ shared_events = <2000 SDEI_DYN_IRQ SDEI_MAPF_DYNAMIC>,
+ <2001 SDEI_DYN_IRQ SDEI_MAPF_DYNAMIC>,
+ <2002 SDEI_DYN_IRQ SDEI_MAPF_DYNAMIC>;
+ };
+ };
+#endif /* SDEI_IN_FCONF */
+
cpus {
#address-cells = <2>;
#size-cells = <0>;
/* SGI used for SDEI signalling */
#define ARM_SDEI_SGI ARM_IRQ_SEC_SGI_0
+#if SDEI_IN_FCONF
+/* ARM SDEI dynamic private event max count */
+#define ARM_SDEI_DP_EVENT_MAX_CNT 3
+
+/* ARM SDEI dynamic shared event max count */
+#define ARM_SDEI_DS_EVENT_MAX_CNT 3
+#else
/* ARM SDEI dynamic private event numbers */
#define ARM_SDEI_DP_EVENT_0 1000
#define ARM_SDEI_DP_EVENT_1 1001
SDEI_SHARED_EVENT(ARM_SDEI_DS_EVENT_0, SDEI_DYN_IRQ, SDEI_MAPF_DYNAMIC), \
SDEI_SHARED_EVENT(ARM_SDEI_DS_EVENT_1, SDEI_DYN_IRQ, SDEI_MAPF_DYNAMIC), \
SDEI_SHARED_EVENT(ARM_SDEI_DS_EVENT_2, SDEI_DYN_IRQ, SDEI_MAPF_DYNAMIC)
+#endif /* SDEI_IN_FCONF */
#endif /* ARM_DEF_H */
--- /dev/null
+/*
+ * Copyright (c) 2019-2020, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef FCONF_SDEI_GETTER_H
+#define FCONF_SDEI_GETTER_H
+
+#include <lib/fconf/fconf.h>
+
+#include <platform_def.h>
+
+#define sdei__dyn_config_getter(id) sdei_dyn_config.id
+
+struct sdei_dyn_config_t {
+ uint32_t private_ev_cnt;
+ int32_t private_ev_nums[PLAT_SDEI_DP_EVENT_MAX_CNT];
+ unsigned int private_ev_intrs[PLAT_SDEI_DP_EVENT_MAX_CNT];
+ unsigned int private_ev_flags[PLAT_SDEI_DP_EVENT_MAX_CNT];
+ uint32_t shared_ev_cnt;
+ int32_t shared_ev_nums[PLAT_SDEI_DS_EVENT_MAX_CNT];
+ unsigned int shared_ev_intrs[PLAT_SDEI_DS_EVENT_MAX_CNT];
+ unsigned int shared_ev_flags[PLAT_SDEI_DS_EVENT_MAX_CNT];
+};
+
+int fconf_populate_sdei_dyn_config(uintptr_t config);
+
+extern struct sdei_dyn_config_t sdei_dyn_config;
+
+#endif /* FCONF_SDEI_GETTER_H */
/* SDEI platform functions */
#if SDEI_SUPPORT
+void plat_sdei_setup(void);
int plat_sdei_validate_entry_point(uintptr_t ep, unsigned int client_mode);
void plat_sdei_handle_masked_trigger(uint64_t mpidr, unsigned int intr);
#endif
/*
- * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2020, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <lib/spinlock.h>
#include <lib/utils_def.h>
+#include <services/sdei_flags.h>
/* Range 0xC4000020 - 0xC400003F reserved for SDE 64bit smc calls */
#define SDEI_VERSION 0xC4000020U
#define SDEI_EV_HANDLED 0U
#define SDEI_EV_FAILED 1U
-/* Internal: SDEI flag bit positions */
-#define SDEI_MAPF_DYNAMIC_SHIFT_ 1U
-#define SDEI_MAPF_BOUND_SHIFT_ 2U
-#define SDEI_MAPF_SIGNALABLE_SHIFT_ 3U
-#define SDEI_MAPF_PRIVATE_SHIFT_ 4U
-#define SDEI_MAPF_CRITICAL_SHIFT_ 5U
-#define SDEI_MAPF_EXPLICIT_SHIFT_ 6U
-
-/* SDEI event 0 */
-#define SDEI_EVENT_0 0
-
-/* Placeholder interrupt for dynamic mapping */
-#define SDEI_DYN_IRQ 0U
-
-/* SDEI flags */
-
-/*
- * These flags determine whether or not an event can be associated with an
- * interrupt. Static events are permanently associated with an interrupt, and
- * can't be changed at runtime. Association of dynamic events with interrupts
- * can be changed at run time using the SDEI_INTERRUPT_BIND and
- * SDEI_INTERRUPT_RELEASE calls.
- *
- * SDEI_MAPF_DYNAMIC only indicates run time configurability, where as
- * SDEI_MAPF_BOUND indicates interrupt association. For example:
- *
- * - Calling SDEI_INTERRUPT_BIND on a dynamic event will have both
- * SDEI_MAPF_DYNAMIC and SDEI_MAPF_BOUND set.
- *
- * - Statically-bound events will always have SDEI_MAPF_BOUND set, and neither
- * SDEI_INTERRUPT_BIND nor SDEI_INTERRUPT_RELEASE can be called on them.
- *
- * See also the is_map_bound() macro.
- */
-#define SDEI_MAPF_DYNAMIC BIT(SDEI_MAPF_DYNAMIC_SHIFT_)
-#define SDEI_MAPF_BOUND BIT(SDEI_MAPF_BOUND_SHIFT_)
-#define SDEI_MAPF_EXPLICIT BIT(SDEI_MAPF_EXPLICIT_SHIFT_)
-
-#define SDEI_MAPF_SIGNALABLE BIT(SDEI_MAPF_SIGNALABLE_SHIFT_)
-#define SDEI_MAPF_PRIVATE BIT(SDEI_MAPF_PRIVATE_SHIFT_)
-
-#define SDEI_MAPF_NORMAL 0
-#define SDEI_MAPF_CRITICAL BIT(SDEI_MAPF_CRITICAL_SHIFT_)
-
/* Indices of private and shared mappings */
#define SDEI_MAP_IDX_PRIV_ 0U
#define SDEI_MAP_IDX_SHRD_ 1U
--- /dev/null
+/*
+ * Copyright (c) 2020, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SDEI_FLAGS_H
+#define SDEI_FLAGS_H
+
+#include <lib/utils_def.h>
+
+/* Internal: SDEI flag bit positions */
+#define SDEI_MAPF_DYNAMIC_SHIFT_ 1U
+#define SDEI_MAPF_BOUND_SHIFT_ 2U
+#define SDEI_MAPF_SIGNALABLE_SHIFT_ 3U
+#define SDEI_MAPF_PRIVATE_SHIFT_ 4U
+#define SDEI_MAPF_CRITICAL_SHIFT_ 5U
+#define SDEI_MAPF_EXPLICIT_SHIFT_ 6U
+
+/* SDEI event 0 */
+#define SDEI_EVENT_0 0
+
+/* Placeholder interrupt for dynamic mapping */
+#define SDEI_DYN_IRQ 0U
+
+/* SDEI flags */
+
+/*
+ * These flags determine whether or not an event can be associated with an
+ * interrupt. Static events are permanently associated with an interrupt, and
+ * can't be changed at runtime. Association of dynamic events with interrupts
+ * can be changed at run time using the SDEI_INTERRUPT_BIND and
+ * SDEI_INTERRUPT_RELEASE calls.
+ *
+ * SDEI_MAPF_DYNAMIC only indicates run time configurability, where as
+ * SDEI_MAPF_BOUND indicates interrupt association. For example:
+ *
+ * - Calling SDEI_INTERRUPT_BIND on a dynamic event will have both
+ * SDEI_MAPF_DYNAMIC and SDEI_MAPF_BOUND set.
+ *
+ * - Statically-bound events will always have SDEI_MAPF_BOUND set, and neither
+ * SDEI_INTERRUPT_BIND nor SDEI_INTERRUPT_RELEASE can be called on them.
+ *
+ * See also the is_map_bound() macro.
+ */
+#define SDEI_MAPF_DYNAMIC BIT(SDEI_MAPF_DYNAMIC_SHIFT_)
+#define SDEI_MAPF_BOUND BIT(SDEI_MAPF_BOUND_SHIFT_)
+#define SDEI_MAPF_EXPLICIT BIT(SDEI_MAPF_EXPLICIT_SHIFT_)
+
+#define SDEI_MAPF_SIGNALABLE BIT(SDEI_MAPF_SIGNALABLE_SHIFT_)
+#define SDEI_MAPF_PRIVATE BIT(SDEI_MAPF_PRIVATE_SHIFT_)
+
+#define SDEI_MAPF_NORMAL 0
+#define SDEI_MAPF_CRITICAL BIT(SDEI_MAPF_CRITICAL_SHIFT_)
+
+#endif /* SDEI_FLAGS_H */
USE_DEBUGFS := 0
# Build option to fconf based io
-ARM_IO_IN_DTB := 0
+ARM_IO_IN_DTB := 0
+
+# Build option to support SDEI through fconf
+SDEI_IN_FCONF :=0
# Build option to choose whether Trusted Firmware uses library at ROM
USE_ROMLIB := 0
#define PLAT_ARM_G0_IRQ_PROPS(grp) ARM_G0_IRQ_PROPS(grp)
+#if SDEI_IN_FCONF
+#define PLAT_SDEI_DP_EVENT_MAX_CNT ARM_SDEI_DP_EVENT_MAX_CNT
+#define PLAT_SDEI_DS_EVENT_MAX_CNT ARM_SDEI_DS_EVENT_MAX_CNT
+#else
#define PLAT_ARM_PRIVATE_SDEI_EVENTS ARM_SDEI_PRIVATE_EVENTS
#define PLAT_ARM_SHARED_SDEI_EVENTS ARM_SDEI_SHARED_EVENTS
+#endif
#define PLAT_ARM_SP_IMAGE_STACK_BASE (PLAT_SP_IMAGE_NS_BUF_BASE + \
PLAT_SP_IMAGE_NS_BUF_SIZE)
/*
- * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2020, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
/* SDEI configuration for ARM platforms */
-#include <platform_def.h>
-
#include <bl31/ehf.h>
+#include <common/debug.h>
#include <services/sdei.h>
+#if SDEI_IN_FCONF
+#include <plat/arm/common/fconf_sdei_getter.h>
+#endif
+#include <plat/common/platform.h>
+#include <platform_def.h>
+
+
+#if SDEI_IN_FCONF
+/* Private event mappings */
+static sdei_ev_map_t arm_sdei_private[PLAT_SDEI_DP_EVENT_MAX_CNT + 1] = { 0 };
+
+/* Shared event mappings */
+static sdei_ev_map_t arm_sdei_shared[PLAT_SDEI_DS_EVENT_MAX_CNT] = { 0 };
+
+void plat_sdei_setup(void)
+{
+ uint32_t i;
+
+ arm_sdei_private[0] = (sdei_ev_map_t)SDEI_DEFINE_EVENT_0(ARM_SDEI_SGI);
+
+ for (i = 0; i < FCONF_GET_PROPERTY(sdei, dyn_config, private_ev_cnt); i++) {
+ arm_sdei_private[i + 1] = (sdei_ev_map_t)SDEI_PRIVATE_EVENT(
+ FCONF_GET_PROPERTY(sdei, dyn_config, private_ev_nums[i]),
+ FCONF_GET_PROPERTY(sdei, dyn_config, private_ev_intrs[i]),
+ FCONF_GET_PROPERTY(sdei, dyn_config, private_ev_flags[i]));
+ }
+
+ for (i = 0; i < FCONF_GET_PROPERTY(sdei, dyn_config, shared_ev_cnt); i++) {
+ arm_sdei_shared[i] = (sdei_ev_map_t)SDEI_SHARED_EVENT( \
+ FCONF_GET_PROPERTY(sdei, dyn_config, shared_ev_nums[i]),
+ FCONF_GET_PROPERTY(sdei, dyn_config, shared_ev_intrs[i]),
+ FCONF_GET_PROPERTY(sdei, dyn_config, shared_ev_flags[i]));
+ }
+ INFO("FCONF: SDEI platform setup\n");
+}
+#else
/* Private event mappings */
static sdei_ev_map_t arm_sdei_private[] = {
PLAT_ARM_PRIVATE_SDEI_EVENTS
PLAT_ARM_SHARED_SDEI_EVENTS
};
+void plat_sdei_setup(void)
+{
+ INFO("SDEI platform setup\n");
+}
+#endif /* SDEI_IN_FCONF */
+
/* Export ARM SDEI events */
REGISTER_SDEI_MAP(arm_sdei_private, arm_sdei_shared);
ifeq (${SDEI_SUPPORT},1)
BL31_SOURCES += plat/arm/common/aarch64/arm_sdei.c
+ifeq (${SDEI_IN_FCONF},1)
+BL31_SOURCES += plat/arm/common/fconf/fconf_sdei_getter.c
+endif
endif
# RAS sources
--- /dev/null
+/*
+ * Copyright (c) 2019-2020, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#include <assert.h>
+
+#include <common/debug.h>
+#include <common/fdt_wrappers.h>
+#include <libfdt.h>
+#include <plat/arm/common/fconf_sdei_getter.h>
+
+#define PRIVATE_EVENT_NUM(i) private_events[3 * (i)]
+#define PRIVATE_EVENT_INTR(i) private_events[3 * (i) + 1]
+#define PRIVATE_EVENT_FLAGS(i) private_events[3 * (i) + 2]
+
+#define SHARED_EVENT_NUM(i) shared_events[3 * (i)]
+#define SHARED_EVENT_INTR(i) shared_events[3 * (i) + 1]
+#define SHARED_EVENT_FLAGS(i) shared_events[3 * (i) + 2]
+
+struct sdei_dyn_config_t sdei_dyn_config;
+
+int fconf_populate_sdei_dyn_config(uintptr_t config)
+{
+ uint32_t i;
+ int node, err;
+ uint32_t private_events[PLAT_SDEI_DP_EVENT_MAX_CNT * 3];
+ uint32_t shared_events[PLAT_SDEI_DS_EVENT_MAX_CNT * 3];
+
+ const void *dtb = (void *)config;
+
+ /* Check that the node offset points to compatible property */
+ node = fdt_node_offset_by_compatible(dtb, -1, "arm,sdei-1.0");
+ if (node < 0) {
+ ERROR("FCONF: Can't find 'arm,sdei-1.0' compatible node in dtb\n");
+ return node;
+ }
+
+ /* Read number of private mappings */
+ err = fdt_read_uint32(dtb, node, "private_event_count",
+ &sdei_dyn_config.private_ev_cnt);
+ if (err < 0) {
+ ERROR("FCONF: Read cell failed for 'private_event_count': %u\n",
+ sdei_dyn_config.private_ev_cnt);
+ return err;
+ }
+
+ /* Check if the value is in range */
+ if (sdei_dyn_config.private_ev_cnt > PLAT_SDEI_DP_EVENT_MAX_CNT) {
+ ERROR("FCONF: Invalid value for 'private_event_count': %u\n",
+ sdei_dyn_config.private_ev_cnt);
+ return -1;
+ }
+
+ /* Read private mappings */
+ err = fdt_read_uint32_array(dtb, node, "private_events",
+ sdei_dyn_config.private_ev_cnt * 3, private_events);
+ if (err < 0) {
+ ERROR("FCONF: Read cell failed for 'private_events': %d\n", err);
+ return err;
+ }
+
+ /* Move data to fconf struct */
+ for (i = 0; i < sdei_dyn_config.private_ev_cnt; i++) {
+ sdei_dyn_config.private_ev_nums[i] = PRIVATE_EVENT_NUM(i);
+ sdei_dyn_config.private_ev_intrs[i] = PRIVATE_EVENT_INTR(i);
+ sdei_dyn_config.private_ev_flags[i] = PRIVATE_EVENT_FLAGS(i);
+ }
+
+ /* Read number of shared mappings */
+ err = fdt_read_uint32(dtb, node, "shared_event_count",
+ &sdei_dyn_config.shared_ev_cnt);
+ if (err < 0) {
+ ERROR("FCONF: Read cell failed for 'shared_event_count'\n");
+ return err;
+ }
+
+ /* Check if the value is in range */
+ if (sdei_dyn_config.shared_ev_cnt > PLAT_SDEI_DS_EVENT_MAX_CNT) {
+ ERROR("FCONF: Invalid value for 'shared_event_count': %u\n",
+ sdei_dyn_config.shared_ev_cnt);
+ return -1;
+ }
+
+ /* Read shared mappings */
+ err = fdt_read_uint32_array(dtb, node, "shared_events",
+ sdei_dyn_config.shared_ev_cnt * 3, shared_events);
+ if (err < 0) {
+ ERROR("FCONF: Read cell failed for 'shared_events': %d\n", err);
+ return err;
+ }
+
+ /* Move data to fconf struct */
+ for (i = 0; i < sdei_dyn_config.shared_ev_cnt; i++) {
+ sdei_dyn_config.shared_ev_nums[i] = SHARED_EVENT_NUM(i);
+ sdei_dyn_config.shared_ev_intrs[i] = SHARED_EVENT_INTR(i);
+ sdei_dyn_config.shared_ev_flags[i] = SHARED_EVENT_FLAGS(i);
+ }
+
+ return 0;
+}
+
+FCONF_REGISTER_POPULATOR(HW_CONFIG, sdei, fconf_populate_sdei_dyn_config);
/*
- * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2020, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
/* SDEI dispatcher initialisation */
void sdei_init(void)
{
+ plat_sdei_setup();
sdei_class_init(SDEI_CRITICAL);
sdei_class_init(SDEI_NORMAL);
}
/* Register handler and argument for an SDEI event */
-static int64_t sdei_event_register(int ev_num, uint64_t ep, uint64_t arg,
- uint64_t flags, uint64_t mpidr)
+static int64_t sdei_event_register(int ev_num,
+ uint64_t ep,
+ uint64_t arg,
+ uint64_t flags,
+ uint64_t mpidr)
{
int ret;
unsigned int routing;
projects / arm-tf.git / commitdiff