[Qemu-trivial] [PATCH] roms: List and describe the Makefile 'clean' rule

[Philippe Mathieu-Daudé]

Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
---
 roms/Makefile | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/roms/Makefile b/roms/Makefile
index 1ff78b63bb3..f55c4a2d3bb 100644
--- a/roms/Makefile
+++ b/roms/Makefile
@@ -61,6 +61,8 @@ default:
        @echo "  skiboot        -- update skiboot.lid"
        @echo "  u-boot.e500    -- update u-boot.e500"
        @echo "  u-boot.sam460  -- update u-boot.sam460"
+       @echo "  clean          -- delete the files generated by the previous" \
+                                 "build targets"
 
 bios: build-seabios-config-seabios-128k build-seabios-config-seabios-256k
        cp seabios/builds/seabios-128k/bios.bin ../pc-bios/bios.bin
@@ -102,7 +104,7 @@ pxe-rom-%: build-pxe-roms
 
 efirom: $(patsubst %,efi-rom-%,$(pxerom_variants))
 
-efi-rom-%: build-pxe-roms build-efi-roms $(EDK2_EFIROM)
+efi-rom-%: build-pxe-roms build-efi-roms edk2-basetools
        $(EDK2_EFIROM) -f "0x$(VID)" -i "0x$(DID)" -l 0x02 \
                -b ipxe/src/bin/$(VID)$(DID).rom \
                -ec ipxe/src/bin-i386-efi/$(VID)$(DID).efidrv \
@@ -131,7 +133,7 @@ build-efi-roms: build-pxe-roms
 #    EDK2_BASETOOLS_LDFLAGS='...' \
 #    efirom
 #
-$(EDK2_EFIROM):
+edk2-basetools:
        $(MAKE) -C edk2/BaseTools \
                EXTRA_OPTFLAGS='$(EDK2_BASETOOLS_OPTFLAGS)' \
                EXTRA_LDFLAGS='$(EDK2_BASETOOLS_LDFLAGS)'
@@ -156,6 +158,9 @@ skiboot:
        $(MAKE) -C skiboot CROSS=$(powerpc64_cross_prefix)
        cp skiboot/skiboot.lid ../pc-bios/skiboot.lid
 
+efi: edk2-basetools
+       $(MAKE) -f Makefile.edk2
+
 clean:
        rm -rf seabios/.config seabios/out seabios/builds
        $(MAKE) -C sgabios clean
@@ -166,3 +171,4 @@ clean:
        rm -rf u-boot/build.e500
        $(MAKE) -C u-boot-sam460ex distclean
        $(MAKE) -C skiboot clean
+       $(MAKE) -f Makefile.edk2 clean
-- 
2.20.1