Add ISR_EL1 to crash report

Bring ISR bits definition as a mnemonic for troublershooters as well.

Signed-off-by: Gerald Lejeune <gerald.lejeune@st.com>
diff --git a/bl31/aarch64/crash_reporting.S b/bl31/aarch64/crash_reporting.S
index ff91572..b22ce71 100644
--- a/bl31/aarch64/crash_reporting.S
+++ b/bl31/aarch64/crash_reporting.S
@@ -70,7 +70,8 @@
 		"tpidrro_el0", "dacr32_el2", "ifsr32_el2", "par_el1",\
 		"mpidr_el1", "afsr0_el1", "afsr1_el1", "contextidr_el1",\
 		"vbar_el1", "cntp_ctl_el0", "cntp_cval_el0", "cntv_ctl_el0",\
-		"cntv_cval_el0", "cntkctl_el1", "fpexc32_el2", "sp_el0", ""
+		"cntv_cval_el0", "cntkctl_el1", "fpexc32_el2", "sp_el0",\
+		"isr_el1", ""
 
 panic_msg:
 	.asciz "PANIC in EL3 at x30 = 0x"
@@ -338,6 +339,7 @@
 	mrs	x8, cntkctl_el1
 	mrs	x9, fpexc32_el2
 	mrs	x10, sp_el0
+	mrs	x11, isr_el1
 	bl	str_in_crash_buf_print
 
 	/* Get the cpu specific registers to report */
diff --git a/include/lib/aarch64/arch.h b/include/lib/aarch64/arch.h
index a9b2dbb..f9b8ed6 100644
--- a/include/lib/aarch64/arch.h
+++ b/include/lib/aarch64/arch.h
@@ -186,6 +186,11 @@
 #define HCR_IMO_BIT		(1 << 4)
 #define HCR_FMO_BIT		(1 << 3)
 
+/* ISR definitions */
+#define ISR_A_SHIFT		8
+#define ISR_I_SHIFT		7
+#define ISR_F_SHIFT		6
+
 /* CNTHCTL_EL2 definitions */
 #define EVNTEN_BIT		(1 << 2)
 #define EL1PCEN_BIT		(1 << 1)