Replace riscv32-elf with riscv64-elf

GNAT FSF compiler only comes in riscv64-elf version that supports both 32 and 64 RISC-V.

Author: Fabien-Chouteau

boards/HiFive1/hifive1_zfp.gpr

@@ -8,7 +8,7 @@ library project HiFive1_ZFP is
    Build_Checks : Build_Checks_Type := external ("ADL_BUILD_CHECKS", "Disabled");
 
    --  Target architecture
-   for Target use "riscv32-elf";
+   for Target use "riscv64-elf";
    Target := Project'Target;
 
    --  Callgraph info is not available on all architectures

boards/HiFive1_rev_B/hifive1_rev_b_zfp.gpr

@@ -8,13 +8,13 @@ library project HiFive1_rev_B_ZFP is
    Build_Checks : Build_Checks_Type := external ("ADL_BUILD_CHECKS", "Disabled");
 
    --  Target architecture
-   for Target use "riscv32-elf";
+   for Target use "riscv64-elf";
    Target := Project'Target;
 
    --  Callgraph info is not available on all architectures
    Callgraph_Switch := ();
    case Target is
-      when "riscv32-unknown-elf" => null;
+      when "riscv64-elf" => null;
       when others => Callgraph_Switch := ("-fcallgraph-info=su");
    end case;
 

boards/Unleashed/unleashed_full.gpr

@@ -8,13 +8,13 @@ library project Unleashed_Full is
    Build_Checks : Build_Checks_Type := external ("ADL_BUILD_CHECKS", "Disabled");
 
    --  Target architecture
-   for Target use "riscv32-elf";
+   for Target use "riscv64-elf";
    Target := Project'Target;
 
    --  Callgraph info is not available on all architectures
    Callgraph_Switch := ();
    case Target is
-      when "riscv32-unknown-elf" => null;
+      when "riscv64-elf" => null;
       when others => Callgraph_Switch := ("-fcallgraph-info=su");
    end case;
 

boards/Unleashed/unleashed_sfp.gpr

@@ -8,13 +8,13 @@ library project Unleashed_SFP is
    Build_Checks : Build_Checks_Type := external ("ADL_BUILD_CHECKS", "Disabled");
 
    --  Target architecture
-   for Target use "riscv32-elf";
+   for Target use "riscv64-elf";
    Target := Project'Target;
 
    --  Callgraph info is not available on all architectures
    Callgraph_Switch := ();
    case Target is
-      when "riscv32-unknown-elf" => null;
+      when "riscv64-elf" => null;
       when others => Callgraph_Switch := ("-fcallgraph-info=su");
    end case;
 

boards/Unleashed/unleashed_zfp.gpr

@@ -8,13 +8,13 @@ library project Unleashed_ZFP is
    Build_Checks : Build_Checks_Type := external ("ADL_BUILD_CHECKS", "Disabled");
 
    --  Target architecture
-   for Target use "riscv32-elf";
+   for Target use "riscv64-elf";
    Target := Project'Target;
 
    --  Callgraph info is not available on all architectures
    Callgraph_Switch := ();
    case Target is
-      when "riscv32-unknown-elf" => null;
+      when "riscv64-elf" => null;
       when others => Callgraph_Switch := ("-fcallgraph-info=su");
    end case;
 

examples/HiFive1/hifive1_example.gpr

@@ -3,7 +3,7 @@ with "../../boards/HiFive1/hifive1_zfp.gpr";
 project HiFive1_Example is
 
   for Runtime ("ada") use HiFive1_ZFP'Runtime ("Ada");
-  for Target use "riscv32-elf";
+  for Target use "riscv64-elf";
   for Main use ("main.adb");
   for Languages use ("Ada");
   for Source_Dirs use ("src");

examples/HiFive1_rev_B/README.md

@@ -22,7 +22,7 @@ This will create a folder named `obj` in the same directory with the elf-formate
 binary plus some auxiliary files. Inside this folder run the following command
 to create the `hex` file:
 
-`$ riscv32-elf-objcopy -O ihex main main.hex`
+`$ riscv64-elf-objcopy -O ihex main main.hex`
 
 This new revision of the HiFive board allows the `hex` file to be uploaded
 through the USB connection that should appear in your file manager. Just copy

examples/HiFive1_rev_B/hifive1_rev_B_example.gpr

@@ -3,7 +3,7 @@ with "../../boards/HiFive1_rev_B/hifive1_rev_b_zfp.gpr";
 project HiFive1_rev_B_Example is
 
   for Runtime ("ada") use HiFive1_rev_B_ZFP'Runtime ("Ada");
-  for Target use "riscv32-elf";
+  for Target use "riscv64-elf";
   for Main use ("main.adb");
   for Languages use ("Ada");
   for Source_Dirs use ("src");

scripts/build_all_examples.py

@@ -173,7 +173,7 @@ def gprbuild(project_file, debug=False):
             ]
 
 # Check if RISC-V32 compiler is available
-if distutils.spawn.find_executable("riscv32-elf-gnatls"):
+if distutils.spawn.find_executable("riscv64-elf-gnatls"):
 
     # Add RISC-V32 projects
     projects += ["/examples/HiFive1/hifive1_example.gpr"]

scripts/config/__init__.py

@@ -67,7 +67,7 @@ def target(self):
             if arch == "ARM":
                 target = "arm-eabi"
             elif arch == "RISC-V":
-                target = "riscv32-elf"
+                target = "riscv64-elf"
 
         return target