1 files changed, 69 insertions, 0 deletions
diff --git a/src/import/chips/p9/procedures/hwp/pm/p9_pm_utils.C b/src/import/chips/p9/procedures/hwp/pm/p9_pm_utils.C
index 87b0b88c..06a7db82 100644
--- a/src/import/chips/p9/procedures/hwp/pm/p9_pm_utils.C
+++ b/src/import/chips/p9/procedures/hwp/pm/p9_pm_utils.C
@@ -41,6 +41,75 @@
 #include <p9_pm_utils.H>
 #include <p9_const_common.H>
 
+/// Byte-reverse a 16-bit integer if on a little-endian machine
+
+uint16_t
+revle16(const uint16_t i_x)
+{
+    uint16_t rx;
+
+#ifndef _BIG_ENDIAN
+    uint8_t* pix = (uint8_t*)(&i_x);
+    uint8_t* prx = (uint8_t*)(&rx);
+
+    prx[0] = pix[1];
+    prx[1] = pix[0];
+#else
+    rx = i_x;
+#endif
+
+    return rx;
+}
+
+/// Byte-reverse a 32-bit integer if on a little-endian machine
+
+uint32_t
+revle32(const uint32_t i_x)
+{
+    uint32_t rx;
+
+#ifndef _BIG_ENDIAN
+    uint8_t* pix = (uint8_t*)(&i_x);
+    uint8_t* prx = (uint8_t*)(&rx);
+
+    prx[0] = pix[3];
+    prx[1] = pix[2];
+    prx[2] = pix[1];
+    prx[3] = pix[0];
+#else
+    rx = i_x;
+#endif
+
+    return rx;
+}
+
+
+/// Byte-reverse a 64-bit integer if on a little-endian machine
+
+uint64_t
+revle64(const uint64_t i_x)
+{
+    uint64_t rx;
+
+#ifndef _BIG_ENDIAN
+    uint8_t* pix = (uint8_t*)(&i_x);
+    uint8_t* prx = (uint8_t*)(&rx);
+
+    prx[0] = pix[7];
+    prx[1] = pix[6];
+    prx[2] = pix[5];
+    prx[3] = pix[4];
+    prx[4] = pix[3];
+    prx[5] = pix[2];
+    prx[6] = pix[1];
+    prx[7] = pix[0];
+#else
+    rx = i_x;
+#endif
+
+    return rx;
+}
+
 fapi2::ReturnCode p9_pm_glob_fir_trace(
     const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>& i_target,
     const char* i_msg)