xplmi_tamper.c File Reference

Overview

This file contains the tamper response processing routines.

MODIFICATION HISTORY:

Ver   Who  Date     Changes



1.0   ma   07/08/2022 Initial release
      ma   07/19/2022 Disable interrupts before calling secure lockdown proc
                      and continue secure lockdown irrespective of the status
      kpt  07/21/2022 Added XPlmi_IfHaltBootTriggerSLD
      ma   07/25/2022 Enhancements to secure lockdown code
1.01  ng   11/11/2022 Updated doxygen comments
      bm   01/03/2023 Create Secure Lockdown as a Critical Priority Task
      bm   01/03/2023 Notify Other SLRs about Secure Lockdown
1.02  skd  04/10/2023 Fix third party review comments
1.03  sk   07/18/2023 Added NULL check in RegisterTamperIntrHandler
      sk   08/17/2023 Updated XPlmi_EmSetAction arguments
      dd   09/12/2023 MISRA-C violation Rule 17.7 fixed
1.04  ma   10/10/2023 Added redundancy to TAMPER_RESP_0 and TAMPER_TRIG writes
      mss  10/31/2023 Added code to Trigger FW CR error in XPlmi_ProcessTamperResponse
2.00  ng   12/27/2023 Reduced log level for less frequent prints

Macros
#define	PMC_ANALOG_GD_CTRL_REG   (0xF1160000U)
	PMC_ANALOG base address. More...
#define	PMC_ANALOG_GD0_RST_STATUS_REG_MASK   (0x200U)
	Glitch detector0 status mask. More...
#define	PMC_ANALOG_GD1_RST_STATUS_REG_MASK   (0x2000000U)
	Glitch detector1 status mask. More...
#define	PMC_ANALOG_GD_STATUS
	Glitch detector status mask. More...
#define	CRP_CFU_REF_CTRL   (0xF1260108U)
	CRP CFU_REF_CTRL register address. More...
#define	CRP_CFU_REF_CTRL_DIVISOR_MASK   (0x3FF00U)
	CRP CFU_REF_CTRL Divisor mask. More...
#define	CFU_REF_CTRL_DIVISOR_INCREASE   (0x2U)
	CRP CFU_REF_CTRL Divisor increase. More...

Functions
u32	XPlmi_SldState (void)
	This function returns Secure Lockdown State. More...
void	XPlmi_TriggerTamperResponse (u32 Response, u32 Flag)
	This functions Triggers Tamper Response processing immediately or as a task. More...
int	XPlmi_RegisterTamperIntrHandler (void)
	This function registers the handler for tamper interrupt. More...
void	XPlmi_TriggerSLDOnHaltBoot (u32 Flag)
	This function triggers secure lockdown if haltboot efuses are programmed. More...