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Merge "fix(spmd): relax use of EHF with SPMC at S-EL2" into integration

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Manish V Badarkhe 2023-06-13 18:21:39 +02:00 • committed by TrustedFirmware Code Review
commit c219b03df6
1 changed files with 16 additions and 0 deletions
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16
services/std_svc/spmd/spmd_main.c
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@ -249,6 +249,7 @@ static uint64_t spmd_secure_interrupt_handler(uint32_t id,
SMC_RET0(&ctx->cpu_ctx);
}
#if (EL3_EXCEPTION_HANDLING == 0)
/*******************************************************************************
* spmd_group0_interrupt_handler_nwd
* Group0 secure interrupt in the normal world are trapped to EL3. Delegate the
@ -281,6 +282,7 @@ static uint64_t spmd_group0_interrupt_handler_nwd(uint32_t id,
return 0U;
}
#endif
/*******************************************************************************
* spmd_handle_group0_intr_swd
@ -560,6 +562,18 @@ static int spmd_spmc_init(void *pm_addr)
panic();
}
/*
* Permit configurations where the SPM resides at S-EL1/2 and upon a
* Group0 interrupt triggering while the normal world runs, the
* interrupt is routed either through the EHF or directly to the SPMD:
*
* EL3_EXCEPTION_HANDLING=0: the Group0 interrupt is routed to the SPMD
* for handling by spmd_group0_interrupt_handler_nwd.
*
* EL3_EXCEPTION_HANDLING=1: the Group0 interrupt is routed to the EHF.
*
*/
#if (EL3_EXCEPTION_HANDLING == 0)
/*
* Register an interrupt handler routing Group0 interrupts to SPMD
* while the NWd is running.
@ -570,6 +584,8 @@ static int spmd_spmc_init(void *pm_addr)
if (rc != 0) {
panic();
}
#endif
return 0;
}