diff --git a/bl1/aarch64/bl1_arch_setup.c b/bl1/aarch64/bl1_arch_setup.c
index d4be9d6..7085f77 100644
--- a/bl1/aarch64/bl1_arch_setup.c
+++ b/bl1/aarch64/bl1_arch_setup.c
@@ -48,11 +48,19 @@
 	write_sctlr(tmp_reg);
 
 	/*
-	 * Enable HVCs, route FIQs to EL3, set the next EL to be aarch64
+	 * Enable HVCs, route FIQs to EL3, set the next EL to be AArch64, route
+	 * external abort and SError interrupts to EL3
 	 */
-	tmp_reg = SCR_RES1_BITS | SCR_RW_BIT | SCR_HCE_BIT | SCR_FIQ_BIT;
+	tmp_reg = SCR_RES1_BITS | SCR_RW_BIT | SCR_HCE_BIT | SCR_EA_BIT |
+		  SCR_FIQ_BIT;
 	write_scr(tmp_reg);
 
+	/*
+	 * Enable SError and Debug exceptions
+	 */
+	enable_serror();
+	enable_debug_exceptions();
+
 	/* Do not trap coprocessor accesses from lower ELs to EL3 */
 	write_cptr_el3(0);
 
diff --git a/bl31/aarch64/bl31_arch_setup.c b/bl31/aarch64/bl31_arch_setup.c
index f6fa088..238af7b 100644
--- a/bl31/aarch64/bl31_arch_setup.c
+++ b/bl31/aarch64/bl31_arch_setup.c
@@ -49,12 +49,19 @@
 	write_sctlr(tmp_reg);
 
 	/*
-	 * Enable HVCs, allow NS to mask CPSR.A, route FIQs to EL3, set the
-	 * next EL to be aarch64
+	 * Enable HVCs, route FIQs to EL3, set the next EL to be AArch64, route
+	 * external abort and SError interrupts to EL3
 	 */
-	tmp_reg = SCR_RES1_BITS | SCR_RW_BIT | SCR_HCE_BIT | SCR_FIQ_BIT;
+	tmp_reg = SCR_RES1_BITS | SCR_RW_BIT | SCR_HCE_BIT | SCR_EA_BIT |
+		  SCR_FIQ_BIT;
 	write_scr(tmp_reg);
 
+	/*
+	 * Enable SError and Debug exceptions
+	 */
+	enable_serror();
+	enable_debug_exceptions();
+
 	/* Do not trap coprocessor accesses from lower ELs to EL3 */
 	write_cptr_el3(0);
 
diff --git a/common/psci/psci_afflvl_suspend.c b/common/psci/psci_afflvl_suspend.c
index 030f15d..9a2c0cf 100644
--- a/common/psci/psci_afflvl_suspend.c
+++ b/common/psci/psci_afflvl_suspend.c
@@ -82,6 +82,8 @@
 	psci_secure_context[index].tcr = read_tcr();
 	psci_secure_context[index].ttbr = read_ttbr0();
 	psci_secure_context[index].vbar = read_vbar();
+	psci_secure_context[index].pstate =
+		read_daif() & (DAIF_ABT_BIT | DAIF_DBG_BIT);
 
 	/* Set the secure world (EL3) re-entry point after BL1 */
 	psci_entrypoint = (unsigned long) psci_aff_suspend_finish_entry;
@@ -370,6 +372,7 @@
 	 * context in the right order.
 	 */
 	write_vbar(psci_secure_context[index].vbar);
+	write_daif(read_daif() | psci_secure_context[index].pstate);
 	write_mair(psci_secure_context[index].mair);
 	write_tcr(psci_secure_context[index].tcr);
 	write_ttbr0(psci_secure_context[index].ttbr);
diff --git a/common/psci/psci_private.h b/common/psci/psci_private.h
index 48d40d0..6505adf 100644
--- a/common/psci/psci_private.h
+++ b/common/psci/psci_private.h
@@ -64,6 +64,7 @@
 	unsigned long tcr;
 	unsigned long ttbr;
 	unsigned long vbar;
+	unsigned long pstate;
 } secure_context;
 
 /*******************************************************************************
diff --git a/docs/change-log.md b/docs/change-log.md
index 1f2d12c..61499c7 100644
--- a/docs/change-log.md
+++ b/docs/change-log.md
@@ -17,6 +17,9 @@
 
 *   Fixed various GCC compiler warnings.
 
+*   Unmask SError and Debug exceptions in the trusted firmware.
+    Also route external abort and SError interrupts to EL3.
+
 
 ARM Trusted Firmware - version 0.2
 ==================================
diff --git a/docs/user-guide.md b/docs/user-guide.md
index debda44..45e850b 100644
--- a/docs/user-guide.md
+++ b/docs/user-guide.md
@@ -661,7 +661,9 @@
     -   `SCR`. Use of the HVC instruction from EL1 is enabled by setting the
         `SCR.HCE` bit. FIQ exceptions are configured to be taken in EL3 by
         setting the `SCR.FIQ` bit. The register width of the next lower
-        exception level is set to AArch64 by setting the `SCR.RW` bit.
+        exception level is set to AArch64 by setting the `SCR.RW` bit. External
+        Aborts and SError Interrupts are configured to be taken in EL3 by
+        setting the `SCR.EA` bit.
 
     -   `CPTR_EL3`. Accesses to the `CPACR` from EL1 or EL2, or the `CPTR_EL2`
         from EL2 are configured to not trap to EL3 by clearing the
diff --git a/include/aarch64/arch_helpers.h b/include/aarch64/arch_helpers.h
index 348d545..b571a5d 100644
--- a/include/aarch64/arch_helpers.h
+++ b/include/aarch64/arch_helpers.h
@@ -80,10 +80,12 @@
 extern void enable_irq(void);
 extern void enable_fiq(void);
 extern void enable_serror(void);
+extern void enable_debug_exceptions(void);
 
 extern void disable_irq(void);
 extern void disable_fiq(void);
 extern void disable_serror(void);
+extern void disable_debug_exceptions(void);
 
 extern unsigned long read_id_pfr1_el1(void);
 extern unsigned long read_id_aa64pfr0_el1(void);
diff --git a/lib/arch/aarch64/misc_helpers.S b/lib/arch/aarch64/misc_helpers.S
index 8c1f740..05e90f9 100644
--- a/lib/arch/aarch64/misc_helpers.S
+++ b/lib/arch/aarch64/misc_helpers.S
@@ -39,6 +39,9 @@
 	.globl	enable_serror
 	.globl	disable_serror
 
+	.globl	enable_debug_exceptions
+	.globl	disable_debug_exceptions
+
 	.globl	read_daif
 	.globl	write_daif
 
@@ -110,6 +113,11 @@
 	ret
 
 
+enable_debug_exceptions:
+	msr	daifclr, #DAIF_DBG_BIT
+	ret
+
+
 disable_irq:; .type disable_irq, %function
 	msr	daifset, #DAIF_IRQ_BIT
 	ret
@@ -125,6 +133,11 @@
 	ret
 
 
+disable_debug_exceptions:
+	msr	daifset, #DAIF_DBG_BIT
+	ret
+
+
 read_daif:; .type read_daif, %function
 	mrs	x0, daif
 	ret