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fix(versal-net): 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: I153d26bd92ea26efcd7f236e2f1d89c3e5442ba4
Signed-off-by: Maheedhar Bollapalli <maheedharsai.bollapalli@amd.com>
This commit is contained in:
Maheedhar Bollapalli 2025-02-17 15:52:05 +05:30
parent df44616a12
commit e5e417ddec
2 changed files with 19 additions and 1 deletions
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7
plat/xilinx/versal_net/include/platform_def.h
View file

@ -72,6 +72,12 @@
# 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.
******************************************************************************/
@ -84,7 +90,6 @@
/*******************************************************************************
* Platform specific page table and MMU setup constants
******************************************************************************/
#define PLAT_DDR_LOWMEM_MAX U(0x80000000)
#define PLAT_PHY_ADDR_SPACE_SIZE (1ULL << 32U)
#define PLAT_VIRT_ADDR_SPACE_SIZE (1ULL << 32U)

13
plat/xilinx/versal_net/plat_psci_pm.c
View file

@ -103,6 +103,18 @@ exit_label:
return;
}
static int32_t versal_net_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_net_system_reset() - This function sends the reset request to firmware
* for the system to reset. This function does not
@ -303,6 +315,7 @@ static const struct plat_psci_ops versal_net_nopmc_psci_ops = {
.pwr_domain_suspend_finish = versal_net_pwr_domain_suspend_finish,
.system_off = versal_net_system_off,
.system_reset = versal_net_system_reset,
.validate_ns_entrypoint = versal_net_validate_ns_entrypoint,
.validate_power_state = versal_net_validate_power_state,
.get_sys_suspend_power_state = versal_net_get_sys_suspend_power_state,
};