Added gcc make toolchain for remote compilation

Signed-off-by: Joppe Blondel <joppe@blondel.nl>

examples/zynq7000/SW/Makefile

@@ -2,9 +2,10 @@
 
 TARGET				:= app.elf
 
+BUILDROOT			?= $(shell pwd)
 BUILDDIR			:= build
 
-SRCDIRS				:= src
+SRCDIRS				:= $(BUILDROOT)/src
 SRCFILESC			:= $(shell find $(SRCDIRS) -type f -name "*.c") 
 OBJFILESC			:= $(SRCFILESC:%.c=$(BUILDDIR)/%.c.o) $(BUILDDIR)/src/ps7_init.o
 DEPFILESC			:= $(SRCFILESC:%.c=$(BUILDDIR)/%.c.d)
@@ -25,8 +26,8 @@ LD					:= $(CROSS_COMPILE)gcc
 CC_WARNING			:= -Wall -Wextra
 CC_LIBS				:= -lgcc
 CC_FLAGS			:= -nostdlib -fno-builtin -g -mcpu=cortex-a9
-CC_INCLUDES			:= -I src -I ../OUT/ip/zynqps
-LD_FLAGS			:= -Wl,-Tlinker.ld
+CC_INCLUDES			:= -I $(BUILDROOT)/src -I $(BUILDROOT)/../OUT/ip/zynqps
+LD_FLAGS			:= -Wl,-T$(BUILDROOT)/linker.ld
 
 .PHONY: $(TARGET) all clean
 all: $(TARGET)
@@ -48,10 +49,10 @@ $(BUILDDIR)/$(TARGET): $(OBJFILES)
 	$(LD) $(CC_FLAGS) $(LD_FLAGS) -o $(BUILDDIR)/$(TARGET) $(OBJFILES) $(CC_LIBS)
 	$(XILINX_BASE)/bin/$(CROSS_COMPILE)objdump -D $(BUILDDIR)/$(TARGET) > DISASS
 
-$(BUILDDIR)/src/ps7_init.o : ../OUT/ip/zynqps/ps7_init.c ../OUT/ip/zynqps/ps7_init.h
+$(BUILDDIR)/src/ps7_init.o : $(BUILDROOT)/../OUT/ip/zynqps/ps7_init.c $(BUILDROOT)/../OUT/ip/zynqps/ps7_init.h
 	echo 'CC ' $@
 	-mkdir -p $(shell dirname $@)
-	$(CC) $(CC_FLAGS) $(CC_WARNING) $(CC_INCLUDES) -MD -o $(BUILDDIR)/src/ps7_init.o -c ../OUT/ip/zynqps/ps7_init.c
+	$(CC) $(CC_FLAGS) $(CC_WARNING) $(CC_INCLUDES) -MD -o $(BUILDDIR)/src/ps7_init.o -c $(BUILDROOT)/../OUT/ip/zynqps/ps7_init.c
 
 $(OBJFILES): $(BUILDDIR)/%.c.o: %.c
 	echo 'CC ' $@

examples/zynq7000/SW/src/boot.S

@@ -75,6 +75,15 @@ _start:
     ldr sp, =__proc0_svc_stack                              /* load SVC mode stack pointer */
     /* We are now in SVC mode */
 
+    // Disable L1 cache
+    mov		r0, #0
+    mcr		p15, 0, r0, c7, c7, 0	// Invalidate cache
+    mcr		p15, 0, r0, c8, c7, 0	// Invalidate tlb
+    mrc 	p15, 0, r0, c1, c0, 0
+    bic		r0, r0, #0x1000
+    bic		r0, r0, #0x0004
+    mcr		p15, 0, r0, c1, c0, 0
+
 	/* Set vector table base address */
     ldr r0, =vectortable
     mcr p15, #0, r0, c12, c0, #0

examples/zynq7000/SW/src/main.c

@@ -12,4 +12,5 @@ void main(){
 
     printf("Hello World!\n");
 
+    for(;;);
 }

examples/zynq7000/project.cfg

@@ -90,4 +90,28 @@ files_verilog       = OUT/synth/impl_netlist.v
 #files_sysverilog   =
 #files_xci          = 
 files_other         = OUT/synth/impl_netlist.sdf
+# ######################################
+
+# ######################################
+# Firmware compilation
+[target.firmware]
+toolchain           = gccmake
+
+# Toolchain settings
+output_files        = build/app.elf DISASS
+buildroot           = SW
+
+# Fileset
+files_makefile      = SW/Makefile
+files_other         = SW/linker.ld
+                      SW/src/boot.S
+                      SW/src/main.c
+                      SW/src/printf.c
+                      SW/src/printf.h
+                      SW/src/uart.c
+                      SW/src/uart.h
+                      SW/src/xil_io.h
+                      SW/src/zynq.h
+                      OUT/ip/zynqps/ps7_init.c
+                      OUT/ip/zynqps/ps7_init.h
 # ######################################

remotesyn/toolchains/gccmake.py

@@ -0,0 +1,49 @@
+import shutil
+import os
+import time
+import subprocess
+
+def do(config, target, log, subprocesses, prefix='.'):
+    shutil.rmtree(config.get('project', 'build_dir', fallback='build'), True)
+
+    log("Starting gcc-make build process")
+    
+    log(" - parsing options")
+    files_makefile = config.get(f'target.{target}', 'files_makefile', fallback='')
+    buildroot = config.get(f'target.{target}', 'buildroot', fallback='.')
+    output_files = config.get(f'target.{target}', 'output_files', fallback='').split()
+    build_dir = config.get(f'project', 'build_dir', fallback='build')
+    out_dir = config.get(f'project', 'out_dir', fallback='out')
+
+    prefix = f'{os.getcwd()}/{prefix}'
+    build_dir = f'{prefix}/{build_dir}'
+    out_dir = f'{prefix}/{out_dir}/{target}'
+
+    log(" - creating output directories")
+    os.makedirs(build_dir, exist_ok=True)
+    os.makedirs(out_dir, exist_ok=True)
+
+    log(" - Copy makefile to build directory")
+    shutil.copy(f"{prefix}/{files_makefile}", f"{build_dir}/Makefile")
+
+    log(" - run make")
+    p = subprocess.Popen(f"BUILDROOT={prefix}/{buildroot} make 2>make.log", 
+        shell=True, cwd=build_dir, 
+        stdin=subprocess.DEVNULL, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
+    subprocesses.append(p)
+    while p.poll() is None:
+        time.sleep(1)
+    res = p.returncode
+
+    log(" - copy logs")
+    shutil.copy(f'{build_dir}/make.log', f'{out_dir}/make.log')
+
+    if res!=0:
+        log("ERROR: make returned with:", res)
+        return res
+
+    log(" - copy output files")
+    for f in output_files:
+        shutil.copy(f'{build_dir}/{f}', f'{out_dir}/{os.path.basename(f)}')
+
+    return 0