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feat(esp_tee): Add support for the RISC-V H/W stack guard mechanism

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Laukik Hase
2026-01-29 11:49:14 +05:30
parent 39f392f943
commit 421246323a
16 changed files with 524 additions and 84 deletions
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components/freertos/FreeRTOS-Kernel-SMP/portable/riscv/portasm.S
+2 -2
View File
@@ -66,7 +66,7 @@ rtos_int_enter:
/* esp_hw_stack_guard_set_bounds(xIsrStack, xIsrStackTop); */
la a0, xIsrStack
mv a1, sp
ESP_HW_STACK_GUARD_SET_BOUNDS_CUR_CORE a2
ESP_HW_STACK_GUARD_SET_BOUNDS_CUR_CORE a2 a0 a1
/* esp_hw_stack_guard_monitor_start(); */
ESP_HW_STACK_GUARD_MONITOR_START_CUR_CORE a0 a1
#endif /* CONFIG_ESP_SYSTEM_HW_STACK_GUARD */
@@ -143,7 +143,7 @@ no_switch:
*/
lw a0, PORT_OFFSET_PX_STACK(t0)
lw a1, PORT_OFFSET_PX_END_OF_STACK(t0)
ESP_HW_STACK_GUARD_SET_BOUNDS_CUR_CORE a2
ESP_HW_STACK_GUARD_SET_BOUNDS_CUR_CORE a2 a0 a1
/* esp_hw_stack_guard_monitor_start(); */
ESP_HW_STACK_GUARD_MONITOR_START_CUR_CORE a0 a1
#endif /* CONFIG_ESP_SYSTEM_HW_STACK_GUARD */
components/freertos/FreeRTOS-Kernel/portable/riscv/portasm.S
+2 -2
View File
@@ -684,7 +684,7 @@ rtos_int_enter:
mv a1, sp
/* esp_hw_stack_guard_set_bounds(xIsrStackBottom[coreID], xIsrStackTop[coreID]);
*/
ESP_HW_STACK_GUARD_SET_BOUNDS_CUR_CORE a2
ESP_HW_STACK_GUARD_SET_BOUNDS_CUR_CORE a2 a0 a1
ESP_HW_STACK_GUARD_MONITOR_START_CUR_CORE a0 a1
#endif /* CONFIG_ESP_SYSTEM_HW_STACK_GUARD */
@@ -841,7 +841,7 @@ restore_stack_pointer:
*/
lw a1, PORT_OFFSET_PX_END_OF_STACK(a0)
lw a0, PORT_OFFSET_PX_STACK(a0)
ESP_HW_STACK_GUARD_SET_BOUNDS_CUR_CORE a2
ESP_HW_STACK_GUARD_SET_BOUNDS_CUR_CORE a2 a0 a1
/* esp_hw_stack_guard_monitor_start(); */
ESP_HW_STACK_GUARD_MONITOR_START_CUR_CORE a0 a1
#endif /* CONFIG_ESP_SYSTEM_HW_STACK_GUARD */