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Diffstat (limited to 'src/arch/arm64/armv8/secmon/secmon_init.c')
-rw-r--r--src/arch/arm64/armv8/secmon/secmon_init.c45
1 files changed, 29 insertions, 16 deletions
diff --git a/src/arch/arm64/armv8/secmon/secmon_init.c b/src/arch/arm64/armv8/secmon/secmon_init.c
index e8bdd82d29..660d6d432b 100644
--- a/src/arch/arm64/armv8/secmon/secmon_init.c
+++ b/src/arch/arm64/armv8/secmon/secmon_init.c
@@ -21,6 +21,7 @@
#include <arch/barrier.h>
#include <arch/io.h>
+#include <arch/exception.h>
#include <arch/lib_helpers.h>
#include <arch/secmon.h>
#include <arch/transition.h>
@@ -28,14 +29,15 @@
#include <rmodule.h>
#include <stddef.h>
-static void secmon_wait(void)
+static void cpu_init(int bsp)
{
- /*
- * TODO(furquan): This should be a point of no-return. Once we have PSCI
- * support we need to respond to kernel calls
- */
- while (1)
- wfe();
+ struct cpu_info *ci = cpu_info();
+
+ ci->id = smp_processor_id();
+ cpu_mark_online(ci);
+
+ if (bsp)
+ cpu_set_bsp();
}
static void secmon_el3_init(void)
@@ -52,12 +54,12 @@ static void secmon_el3_init(void)
isb();
}
-static void secmon_init(void *arg)
+static void secmon_init(struct secmon_params *params, int bsp)
{
struct exc_state exc_state;
- struct secmon_params *params = arg;
- printk(BIOS_DEBUG, "ARM64: secmon in %s\n", __func__);
+ exception_hwinit();
+ cpu_init(bsp);
secmon_el3_init();
@@ -66,18 +68,29 @@ static void secmon_init(void *arg)
* 1) If yes, we make an EL2 transition to that entry point
* 2) If no, we just wait
*/
- if (params == NULL) {
- secmon_wait();
+ if (params != NULL) {
+ memset(&exc_state, 0, sizeof(exc_state));
+ exc_state.elx.spsr =
+ get_eret_el(params->elx_el, params->elx_mode);
+
+ transition_with_entry(params->entry, params->arg, &exc_state);
}
- memset(&exc_state, 0, sizeof(exc_state));
- exc_state.elx.spsr = get_eret_el(params->elx_el, params->elx_mode);
+ arch_cpu_wait_for_action();
+}
- transition_with_entry(params->entry, params->arg, &exc_state);
+static void secmon_init_bsp(void *arg)
+{
+ secmon_init(arg, 1);
+}
+
+static void secmon_init_nonbsp(void *arg)
+{
+ secmon_init(arg, 0);
}
/*
* This variable holds entry point for secmon init code. Once the stacks are
* setup by the stage_entry.S, it jumps to c_entry.
*/
-void (*c_entry)(void*) = &secmon_init;
+void (*c_entry[2])(void*) = { &secmon_init_bsp, &secmon_init_nonbsp };