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fix(versal): handle invalid entry point in cpu hotplug scenario

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Invalid addresses are from 2G-4G and also address where TF-A is.

Change-Id: I3d07808821da3bdd46be819ad829cb284f9d53d3
Signed-off-by: Maheedhar Bollapalli <maheedharsai.bollapalli@amd.com>
This commit is contained in:
Maheedhar Bollapalli 2025-02-17 15:52:24 +05:30
parent e5e417ddec
commit 435bc14a94
2 changed files with 19 additions and 0 deletions
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6
plat/xilinx/versal/include/platform_def.h
View file

@ -63,6 +63,12 @@
# define PLAT_ARM_NS_IMAGE_BASE U(PRELOADED_BL33_BASE)
#endif
/*******************************************************************************
* HIGH and LOW DDR MAX definitions
******************************************************************************/
#define PLAT_DDR_LOWMEM_MAX U(0x80000000)
#define PLAT_DDR_HIGHMEM_MAX U(0x100000000)
/*******************************************************************************
* TSP specific defines.
******************************************************************************/

13
plat/xilinx/versal/plat_psci.c
View file

@ -194,6 +194,18 @@ static void __dead2 versal_system_reset(void)
}
}
static int32_t versal_validate_ns_entrypoint(uint64_t ns_entrypoint)
{
int32_t ret = PSCI_E_SUCCESS;
if (((ns_entrypoint >= PLAT_DDR_LOWMEM_MAX) && (ns_entrypoint <= PLAT_DDR_HIGHMEM_MAX)) ||
((ns_entrypoint >= BL31_BASE) && (ns_entrypoint <= BL31_LIMIT))) {
ret = PSCI_E_INVALID_ADDRESS;
}
return ret;
}
/**
* versal_pwr_domain_off() - This function performs actions to turn off core.
* @target_state: Targated state.
@ -291,6 +303,7 @@ static const struct plat_psci_ops versal_nopmc_psci_ops = {
.pwr_domain_suspend_finish = versal_pwr_domain_suspend_finish,
.system_off = versal_system_off,
.system_reset = versal_system_reset,
.validate_ns_entrypoint = versal_validate_ns_entrypoint,
.validate_power_state = versal_validate_power_state,
.get_sys_suspend_power_state = versal_get_sys_suspend_power_state,
};