diff options
Diffstat (limited to 'bl31')
-rw-r--r-- | bl31/aarch64/cpu_data.S | 69 | ||||
-rw-r--r-- | bl31/bl31.mk | 30 | ||||
-rw-r--r-- | bl31/bl31_context_mgmt.c | 5 | ||||
-rw-r--r-- | bl31/cpu_data_array.c | 36 | ||||
-rw-r--r-- | bl31/runtime_svc.c | 149 |
5 files changed, 7 insertions, 282 deletions
diff --git a/bl31/aarch64/cpu_data.S b/bl31/aarch64/cpu_data.S deleted file mode 100644 index 0842825cb..000000000 --- a/bl31/aarch64/cpu_data.S +++ /dev/null @@ -1,69 +0,0 @@ -/* - * Copyright (c) 2014-2015, ARM Limited and Contributors. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * Redistributions of source code must retain the above copyright notice, this - * list of conditions and the following disclaimer. - * - * Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * - * Neither the name of ARM nor the names of its contributors may be used - * to endorse or promote products derived from this software without specific - * prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include <asm_macros.S> -#include <cpu_data.h> - -.globl init_cpu_data_ptr -.globl _cpu_data_by_index - -/* ----------------------------------------------------------------- - * void init_cpu_data_ptr(void) - * - * Initialise the TPIDR_EL3 register to refer to the cpu_data_t - * for the calling CPU. This must be called before cm_get_cpu_data() - * - * This can be called without a valid stack. It assumes that - * plat_my_core_pos() does not clobber register x10. - * clobbers: x0, x1, x10 - * ----------------------------------------------------------------- - */ -func init_cpu_data_ptr - mov x10, x30 - bl plat_my_core_pos - bl _cpu_data_by_index - msr tpidr_el3, x0 - ret x10 -endfunc init_cpu_data_ptr - -/* ----------------------------------------------------------------- - * cpu_data_t *_cpu_data_by_index(uint32_t cpu_index) - * - * Return the cpu_data structure for the CPU with given linear index - * - * This can be called without a valid stack. - * clobbers: x0, x1 - * ----------------------------------------------------------------- - */ -func _cpu_data_by_index - adr x1, percpu_data - add x0, x1, x0, LSL #CPU_DATA_LOG2SIZE - ret -endfunc _cpu_data_by_index diff --git a/bl31/bl31.mk b/bl31/bl31.mk index 8a7fccb0d..dd3e4cf19 100644 --- a/bl31/bl31.mk +++ b/bl31/bl31.mk @@ -28,45 +28,23 @@ # POSSIBILITY OF SUCH DAMAGE. # +include lib/psci/psci_lib.mk + BL31_SOURCES += bl31/bl31_main.c \ - bl31/cpu_data_array.c \ - bl31/runtime_svc.c \ bl31/interrupt_mgmt.c \ bl31/aarch64/bl31_arch_setup.c \ bl31/aarch64/bl31_entrypoint.S \ - bl31/aarch64/cpu_data.S \ bl31/aarch64/runtime_exceptions.S \ bl31/aarch64/crash_reporting.S \ bl31/bl31_context_mgmt.c \ - common/aarch64/context.S \ - common/context_mgmt.c \ - lib/cpus/aarch64/cpu_helpers.S \ - lib/locks/exclusive/spinlock.S \ + common/runtime_svc.c \ services/std_svc/std_svc_setup.c \ - services/std_svc/psci/psci_off.c \ - services/std_svc/psci/psci_on.c \ - services/std_svc/psci/psci_suspend.c \ - services/std_svc/psci/psci_common.c \ - services/std_svc/psci/psci_entry.S \ - services/std_svc/psci/psci_helpers.S \ - services/std_svc/psci/psci_main.c \ - services/std_svc/psci/psci_setup.c \ - services/std_svc/psci/psci_system_off.c - -ifeq (${USE_COHERENT_MEM}, 1) -BL31_SOURCES += lib/locks/bakery/bakery_lock_coherent.c -else -BL31_SOURCES += lib/locks/bakery/bakery_lock_normal.c -endif + ${PSCI_LIB_SOURCES} ifeq (${ENABLE_PMF}, 1) BL31_SOURCES += lib/pmf/pmf_main.c endif -ifeq (${ENABLE_PSCI_STAT}, 1) -BL31_SOURCES += services/std_svc/psci/psci_stat.c -endif - BL31_LINKERFILE := bl31/bl31.ld.S # Flag used to indicate if Crash reporting via console should be included diff --git a/bl31/bl31_context_mgmt.c b/bl31/bl31_context_mgmt.c index ae2442471..f8751c2ab 100644 --- a/bl31/bl31_context_mgmt.c +++ b/bl31/bl31_context_mgmt.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2013-2015, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2013-2016, ARM Limited and Contributors. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: @@ -30,6 +30,7 @@ #include <assert.h> #include <bl31.h> +#include <bl_common.h> #include <context.h> #include <context_mgmt.h> #include <cpu_data.h> @@ -130,4 +131,4 @@ void cm_init_context(unsigned long mpidr, const entry_point_info_t *ep) else cm_init_context_by_index(platform_get_core_pos(mpidr), ep); } -#endif
\ No newline at end of file +#endif diff --git a/bl31/cpu_data_array.c b/bl31/cpu_data_array.c deleted file mode 100644 index 4cba11849..000000000 --- a/bl31/cpu_data_array.c +++ /dev/null @@ -1,36 +0,0 @@ -/* - * Copyright (c) 2014, ARM Limited and Contributors. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * Redistributions of source code must retain the above copyright notice, this - * list of conditions and the following disclaimer. - * - * Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * - * Neither the name of ARM nor the names of its contributors may be used - * to endorse or promote products derived from this software without specific - * prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include <cassert.h> -#include <cpu_data.h> -#include <platform_def.h> - -/* The per_cpu_ptr_cache_t space allocation */ -cpu_data_t percpu_data[PLATFORM_CORE_COUNT]; diff --git a/bl31/runtime_svc.c b/bl31/runtime_svc.c deleted file mode 100644 index 8729e2920..000000000 --- a/bl31/runtime_svc.c +++ /dev/null @@ -1,149 +0,0 @@ -/* - * Copyright (c) 2013-2016, ARM Limited and Contributors. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * Redistributions of source code must retain the above copyright notice, this - * list of conditions and the following disclaimer. - * - * Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * - * Neither the name of ARM nor the names of its contributors may be used - * to endorse or promote products derived from this software without specific - * prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include <assert.h> -#include <debug.h> -#include <errno.h> -#include <runtime_svc.h> -#include <string.h> - -/******************************************************************************* - * The 'rt_svc_descs' array holds the runtime service descriptors exported by - * services by placing them in the 'rt_svc_descs' linker section. - * The 'rt_svc_descs_indices' array holds the index of a descriptor in the - * 'rt_svc_descs' array. When an SMC arrives, the OEN[29:24] bits and the call - * type[31] bit in the function id are combined to get an index into the - * 'rt_svc_descs_indices' array. This gives the index of the descriptor in the - * 'rt_svc_descs' array which contains the SMC handler. - ******************************************************************************/ -#define RT_SVC_DESCS_START ((uintptr_t) (&__RT_SVC_DESCS_START__)) -#define RT_SVC_DESCS_END ((uintptr_t) (&__RT_SVC_DESCS_END__)) -uint8_t rt_svc_descs_indices[MAX_RT_SVCS]; -static rt_svc_desc_t *rt_svc_descs; - -#define RT_SVC_DECS_NUM ((RT_SVC_DESCS_END - RT_SVC_DESCS_START)\ - / sizeof(rt_svc_desc_t)) - -/******************************************************************************* - * Simple routine to sanity check a runtime service descriptor before using it - ******************************************************************************/ -static int32_t validate_rt_svc_desc(rt_svc_desc_t *desc) -{ - if (desc == NULL) - return -EINVAL; - - if (desc->start_oen > desc->end_oen) - return -EINVAL; - - if (desc->end_oen >= OEN_LIMIT) - return -EINVAL; - - if (desc->call_type != SMC_TYPE_FAST && desc->call_type != SMC_TYPE_STD) - return -EINVAL; - - /* A runtime service having no init or handle function doesn't make sense */ - if (desc->init == NULL && desc->handle == NULL) - return -EINVAL; - - return 0; -} - -/******************************************************************************* - * This function calls the initialisation routine in the descriptor exported by - * a runtime service. Once a descriptor has been validated, its start & end - * owning entity numbers and the call type are combined to form a unique oen. - * The unique oen is used as an index into the 'rt_svc_descs_indices' array. - * The index of the runtime service descriptor is stored at this index. - ******************************************************************************/ -void runtime_svc_init(void) -{ - int rc = 0, index, start_idx, end_idx; - - /* Assert the number of descriptors detected are less than maximum indices */ - assert((RT_SVC_DECS_NUM >= 0) && (RT_SVC_DECS_NUM < MAX_RT_SVCS)); - - /* If no runtime services are implemented then simply bail out */ - if (RT_SVC_DECS_NUM == 0) - return; - - /* Initialise internal variables to invalid state */ - memset(rt_svc_descs_indices, -1, sizeof(rt_svc_descs_indices)); - - rt_svc_descs = (rt_svc_desc_t *) RT_SVC_DESCS_START; - for (index = 0; index < RT_SVC_DECS_NUM; index++) { - - /* - * An invalid descriptor is an error condition since it is - * difficult to predict the system behaviour in the absence - * of this service. - */ - rc = validate_rt_svc_desc(&rt_svc_descs[index]); - if (rc) { - ERROR("Invalid runtime service descriptor %p (%s)\n", - (void *) &rt_svc_descs[index], - rt_svc_descs[index].name); - goto error; - } - - /* - * The runtime service may have separate rt_svc_desc_t - * for its fast smc and standard smc. Since the service itself - * need to be initialized only once, only one of them will have - * an initialisation routine defined. Call the initialisation - * routine for this runtime service, if it is defined. - */ - if (rt_svc_descs[index].init) { - rc = rt_svc_descs[index].init(); - if (rc) { - ERROR("Error initializing runtime service %s\n", - rt_svc_descs[index].name); - continue; - } - } - - /* - * Fill the indices corresponding to the start and end - * owning entity numbers with the index of the - * descriptor which will handle the SMCs for this owning - * entity range. - */ - start_idx = get_unique_oen(rt_svc_descs[index].start_oen, - rt_svc_descs[index].call_type); - end_idx = get_unique_oen(rt_svc_descs[index].end_oen, - rt_svc_descs[index].call_type); - - for (; start_idx <= end_idx; start_idx++) - rt_svc_descs_indices[start_idx] = index; - } - - return; -error: - panic(); -} |