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-rw-r--r--target-xtensa/cpu.h1
-rw-r--r--target-xtensa/overlay_tool.h1
-rw-r--r--target-xtensa/translate.c4
3 files changed, 6 insertions, 0 deletions
diff --git a/target-xtensa/cpu.h b/target-xtensa/cpu.h
index a73d32d898..08fd5bc395 100644
--- a/target-xtensa/cpu.h
+++ b/target-xtensa/cpu.h
@@ -153,6 +153,7 @@ enum {
     ICOUNTLEVEL = 237,
     EXCVADDR = 238,
     CCOMPARE = 240,
+    MISC = 244,
 };
 
 #define PS_INTLEVEL 0xf
diff --git a/target-xtensa/overlay_tool.h b/target-xtensa/overlay_tool.h
index 0b47029f8c..dd4f51a7b7 100644
--- a/target-xtensa/overlay_tool.h
+++ b/target-xtensa/overlay_tool.h
@@ -95,6 +95,7 @@
     /* Other, TODO */ \
     XCHAL_OPTION(XCHAL_HAVE_WINDOWED, XTENSA_OPTION_WINDOWED_REGISTER) | \
     XCHAL_OPTION(XCHAL_HAVE_DEBUG, XTENSA_OPTION_DEBUG) |\
+    XCHAL_OPTION(XCHAL_NUM_MISC_REGS > 0, XTENSA_OPTION_MISC_SR) | \
     XCHAL_OPTION(XCHAL_HAVE_THREADPTR, XTENSA_OPTION_THREAD_POINTER) | \
     XCHAL_OPTION(XCHAL_HAVE_PRID, XTENSA_OPTION_PROCESSOR_ID))
 
diff --git a/target-xtensa/translate.c b/target-xtensa/translate.c
index 3303e5f693..52edcefb05 100644
--- a/target-xtensa/translate.c
+++ b/target-xtensa/translate.c
@@ -179,6 +179,10 @@ static const XtensaReg sregnames[256] = {
             XTENSA_OPTION_TIMER_INTERRUPT),
     [CCOMPARE + 2] = XTENSA_REG("CCOMPARE2",
             XTENSA_OPTION_TIMER_INTERRUPT),
+    [MISC] = XTENSA_REG("MISC0", XTENSA_OPTION_MISC_SR),
+    [MISC + 1] = XTENSA_REG("MISC1", XTENSA_OPTION_MISC_SR),
+    [MISC + 2] = XTENSA_REG("MISC2", XTENSA_OPTION_MISC_SR),
+    [MISC + 3] = XTENSA_REG("MISC3", XTENSA_OPTION_MISC_SR),
 };
 
 static const XtensaReg uregnames[256] = {