From c3433505515a9012e5c79f415468f72255aac7a2 Mon Sep 17 00:00:00 2001
From: Dmitry Derevyanko <nrndda@gmail.com>
Date: Tue, 16 Apr 2024 20:32:56 +0300
Subject: [PATCH] Add bios disassembly file generation rules.

---
 litex/soc/software/bios/Makefile | 7 +++++--
 litex/soc/software/common.mak    | 4 ++++
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/litex/soc/software/bios/Makefile b/litex/soc/software/bios/Makefile
index e85fc40ba5..176218d5e5 100755
--- a/litex/soc/software/bios/Makefile
+++ b/litex/soc/software/bios/Makefile
@@ -50,7 +50,7 @@ else
 LSCRIPT = linker.ld
 endif
 
-all: bios.bin
+all: bios.bin bios.dis
 	$(PYTHON) -m litex.soc.software.memusage bios.elf $(CURDIR)/../include/generated/regions.ld $(TRIPLE)
 
 %.bin: %.elf
@@ -64,6 +64,9 @@ else
 	$(PYTHON) -m litex.soc.software.crcfbigen $@
 endif
 
+%.dis: %.elf
+	$(OBJDUMP) -D $< > $@
+
 bios.elf: $(BIOS_DIRECTORY)/$(LSCRIPT) $(OBJECTS)
 
 vpath %.a $(PACKAGES:%=../%)
@@ -94,6 +97,6 @@ VPATH = $(BIOS_DIRECTORY):$(BIOS_DIRECTORY)/cmds:$(CPU_DIRECTORY)
 	$(assemble)
 
 clean:
-	$(RM) $(OBJECTS) bios.elf bios.bin .*~ *~
+	$(RM) $(OBJECTS) bios.elf bios.dis bios.bin .*~ *~
 
 .PHONY: all clean
diff --git a/litex/soc/software/common.mak b/litex/soc/software/common.mak
index 1215ace6bb..a94b6b2981 100644
--- a/litex/soc/software/common.mak
+++ b/litex/soc/software/common.mak
@@ -18,12 +18,14 @@ endif
 AR_normal      := $(TARGET_PREFIX)gcc-ar
 LD_normal      := $(TARGET_PREFIX)ld
 OBJCOPY_normal := $(TARGET_PREFIX)objcopy
+OBJDUMP_normal := $(TARGET_PREFIX)objdump
 
 CC_quiet      = @echo " CC      " $@ && $(CC_normal)
 CX_quiet      = @echo " CX      " $@ && $(CX_normal)
 AR_quiet      = @echo " AR      " $@ && $(AR_normal)
 LD_quiet      = @echo " LD      " $@ && $(LD_normal)
 OBJCOPY_quiet = @echo " OBJCOPY " $@ && $(OBJCOPY_normal)
+OBJDUMP_quiet = @echo " OBJDUMP " $@ && $(OBJDUMP_normal)
 
 ifeq ($(V),1)
 	CC = $(CC_normal)
@@ -31,12 +33,14 @@ ifeq ($(V),1)
 	AR = $(AR_normal)
 	LD = $(LD_normal)
 	OBJCOPY = $(OBJCOPY_normal)
+	OBJDUMP = $(OBJDUMP_normal)
 else
 	CC = $(CC_quiet)
 	CX = $(CX_quiet)
 	AR = $(AR_quiet)
 	LD = $(LD_quiet)
 	OBJCOPY = $(OBJCOPY_quiet)
+	OBJDUMP = $(OBJDUMP_quiet)
 endif
 
 # http://scottmcpeak.com/autodepend/autodepend.html