From e3be94d599e4a779ca656d5b0785e9753a4a121e Mon Sep 17 00:00:00 2001
From: tychovrahe <brunam@seznam.cz>
Date: Sat, 3 May 2025 08:29:38 +0200
Subject: [PATCH] feat(core): add pm_get_events syscall

[no changelog]
---
 core/embed/sys/syscall/stm32/syscall_dispatch.c  |  5 +++++
 core/embed/sys/syscall/stm32/syscall_numbers.h   |  1 +
 core/embed/sys/syscall/stm32/syscall_stubs.c     |  5 +++++
 core/embed/sys/syscall/stm32/syscall_verifiers.c | 16 ++++++++++++++++
 core/embed/sys/syscall/stm32/syscall_verifiers.h |  2 ++
 5 files changed, 29 insertions(+)

diff --git a/core/embed/sys/syscall/stm32/syscall_dispatch.c b/core/embed/sys/syscall/stm32/syscall_dispatch.c
index d2ab1c9eeb..c0cb130514 100644
--- a/core/embed/sys/syscall/stm32/syscall_dispatch.c
+++ b/core/embed/sys/syscall/stm32/syscall_dispatch.c
@@ -745,6 +745,11 @@ __attribute((no_stack_protector)) void syscall_handler(uint32_t *args,
       pm_state_t *status = (pm_state_t *)args[0];
       args[0] = pm_get_state__verified(status);
     }
+
+    case SYSCALL_POWER_MANAGER_GET_EVENTS: {
+      pm_event_t *status = (pm_event_t *)args[0];
+      args[0] = pm_get_events__verified(status);
+    }
 #endif
 
 #ifdef USE_HW_JPEG_DECODER
diff --git a/core/embed/sys/syscall/stm32/syscall_numbers.h b/core/embed/sys/syscall/stm32/syscall_numbers.h
index c999707cc9..d2a9da8f93 100644
--- a/core/embed/sys/syscall/stm32/syscall_numbers.h
+++ b/core/embed/sys/syscall/stm32/syscall_numbers.h
@@ -152,6 +152,7 @@ typedef enum {
   SYSCALL_POWER_MANAGER_SUSPEND,
   SYSCALL_POWER_MANAGER_HIBERNATE,
   SYSCALL_POWER_MANAGER_GET_STATE,
+  SYSCALL_POWER_MANAGER_GET_EVENTS,
 
   SYSCALL_JPEGDEC_OPEN,
   SYSCALL_JPEGDEC_CLOSE,
diff --git a/core/embed/sys/syscall/stm32/syscall_stubs.c b/core/embed/sys/syscall/stm32/syscall_stubs.c
index 9cb20c820a..d5b60650c5 100644
--- a/core/embed/sys/syscall/stm32/syscall_stubs.c
+++ b/core/embed/sys/syscall/stm32/syscall_stubs.c
@@ -700,6 +700,11 @@ pm_status_t pm_get_status(pm_state_t *status) {
                                       SYSCALL_POWER_MANAGER_GET_STATE);
 }
 
+bool pm_get_events(pm_event_t *events) {
+  return (bool)syscall_invoke1((uint32_t)events,
+                               SYSCALL_POWER_MANAGER_GET_EVENTS);
+}
+
 #endif  // USE_POWER_MANAGER
 
 // =============================================================================
diff --git a/core/embed/sys/syscall/stm32/syscall_verifiers.c b/core/embed/sys/syscall/stm32/syscall_verifiers.c
index 6c7fd39928..9c4ae6fc73 100644
--- a/core/embed/sys/syscall/stm32/syscall_verifiers.c
+++ b/core/embed/sys/syscall/stm32/syscall_verifiers.c
@@ -835,6 +835,22 @@ access_violation:
   return PM_ERROR;
 }
 
+bool pm_get_events__verified(pm_event_t *event) {
+  if (!probe_write_access(event, sizeof(*event))) {
+    goto access_violation;
+  }
+
+  pm_event_t event_copy = {0};
+  bool retval = pm_get_events(&event_copy);
+  *event = event_copy;
+
+  return retval;
+
+access_violation:
+  apptask_access_violation();
+  return false;
+}
+
 #endif
 
 // ---------------------------------------------------------------------
diff --git a/core/embed/sys/syscall/stm32/syscall_verifiers.h b/core/embed/sys/syscall/stm32/syscall_verifiers.h
index 77b99e473d..0ba21ed9b2 100644
--- a/core/embed/sys/syscall/stm32/syscall_verifiers.h
+++ b/core/embed/sys/syscall/stm32/syscall_verifiers.h
@@ -215,6 +215,8 @@ secbool ble_read__verified(uint8_t *data, size_t len);
 
 pm_status_t pm_get_state__verified(pm_state_t *status);
 
+bool pm_get_events__verified(pm_event_t *event);
+
 #endif
 
 // ---------------------------------------------------------------------