GBE: Handle bti allocation for internal buffer used by printf.

1. Move the bti/Register map from gbe::Context to ir::Function.
2. use GlobalVariable instead of 'call' to get internal buffer (used for printf) base address.

Signed-off-by: Ruiling Song <ruiling.song@intel.com>
Reviewed-by: Zhigang Gong <zhigang.gong@linux.intel.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/backend/src/ir/printf.hpp b/backend/src/ir/printf.hpp
index 1aef767f..4db72455 100644
--- a/backend/src/ir/printf.hpp
+++ b/backend/src/ir/printf.hpp
@@ -155,6 +155,8 @@ namespace gbe
         }
 
         sizeOfSize = other.sizeOfSize;
+        btiBuf = other.btiBuf;
+        btiIndexBuf = other.btiIndexBuf;
       }
 
       PrintfSet(void) = default;
@@ -180,6 +182,11 @@ namespace gbe
         return sizeOfSize;
       }
 
+      void setBufBTI(uint8_t b)      { btiBuf = b; }
+      void setIndexBufBTI(uint8_t b) { btiIndexBuf = b; }
+      uint8_t getBufBTI() const      { return btiBuf; }
+      uint8_t getIndexBufBTI() const { return btiIndexBuf; }
+
       uint32_t getPrintfBufferElementSize(uint32_t i) {
         PrintfSlot* slot = slots[i];
         int vec_num = 1;
@@ -226,6 +233,8 @@ namespace gbe
       vector<PrintfSlot*> slots;
       uint32_t sizeOfSize; // Total sizeof size.
       friend struct LockOutput;
+      uint8_t btiBuf;
+      uint8_t btiIndexBuf;
       static pthread_mutex_t lock;
       GBE_CLASS(PrintfSet);
     };