intel/genxml: Support truncated addresses

Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7356>

diff --git a/src/intel/genxml/gen_pack_header.py b/src/intel/genxml/gen_pack_header.py
index ef9508b..eeb0eee 100644 (file)
--- a/src/intel/genxml/gen_pack_header.py
+++ b/src/intel/genxml/gen_pack_header.py
@@ -125,6 +125,22 @@ __gen_offset(uint64_t v, NDEBUG_UNUSED uint32_t start, NDEBUG_UNUSED uint32_t en
    return v;
 }
 
+static inline __attribute__((always_inline)) uint64_t
+__gen_address(__gen_user_data *data, void *location,
+              __gen_address_type address, uint32_t delta,
+              NDEBUG_UNUSED uint32_t start, uint32_t end)
+{
+   uint64_t addr_u64 = __gen_combine_address(data, location, address, delta);
+   if (end == 31) {
+      return addr_u64;
+   } else if (end < 63) {
+      const unsigned shift = 63 - end;
+      return (addr_u64 << shift) >> shift;
+   } else {
+      return addr_u64;
+   }
+}
+
 static inline __attribute__((always_inline)) uint32_t
 __gen_float(float v)
 {
@@ -462,13 +478,16 @@ class Group(object):
 
             if dw.size == 32:
                 if dw.address:
-                    print("   dw[%d] = __gen_combine_address(data, &dw[%d], values->%s, %s);" % (index, index, dw.address.name + field.dim, v))
+                    print("   dw[%d] = __gen_address(data, &dw[%d], values->%s, %s, %d, %d);" %
+                    (index, index, dw.address.name + field.dim, v,
+                     dw.address.start - dword_start, dw.address.end - dword_start))
                 continue
 
             if dw.address:
                 v_address = "v%d_address" % index
-                print("   const uint64_t %s =\n      __gen_combine_address(data, &dw[%d], values->%s, %s);" %
-                      (v_address, index, dw.address.name + field.dim, v))
+                print("   const uint64_t %s =\n      __gen_address(data, &dw[%d], values->%s, %s, %d, %d);" %
+                      (v_address, index, dw.address.name + field.dim, v,
+                       dw.address.start - dword_start, dw.address.end - dword_start))
                 if len(dw.fields) > address_count:
                     print("   dw[%d] = %s;" % (index, v_address))
                     print("   dw[%d] = (%s >> 32) | (%s >> 32);" % (index + 1, v_address, v))