[EXT] Re: [PATCH v8 01/15] crypto/fsl: Add support for CAAM Job ring driver model
Tom Rini
trini at konsulko.com
Sat Mar 19 18:43:57 CET 2022
On Sat, Mar 19, 2022 at 06:37:18PM +0100, Michael Nazzareno Trimarchi wrote:
> Hi Tom
>
> On Sat, Mar 19, 2022 at 6:30 PM Tom Rini <trini at konsulko.com> wrote:
> >
> > On Sat, Mar 19, 2022 at 06:27:38PM +0100, Michael Nazzareno Trimarchi wrote:
> > > Hi
> > >
> > > On Sat, Mar 19, 2022 at 6:25 PM Tom Rini <trini at konsulko.com> wrote:
> > > >
> > > > On Sat, Mar 19, 2022 at 06:08:18PM +0100, Michael Nazzareno Trimarchi wrote:
> > > > > Hi Tom
> > > > >
> > > > > On Sat, Mar 19, 2022 at 6:03 PM Tom Rini <trini at konsulko.com> wrote:
> > > > > >
> > > > > > On Sat, Mar 19, 2022 at 05:48:59PM +0100, Michael Nazzareno Trimarchi wrote:
> > > > > > > Hi Tom
> > > > > > >
> > > > > > > On Sat, Mar 19, 2022 at 5:05 PM Tom Rini <trini at konsulko.com> wrote:
> > > > > > > >
> > > > > > > > On Sat, Mar 19, 2022 at 02:51:01PM +0100, Michael Nazzareno Trimarchi wrote:
> > > > > > > > > Hi
> > > > > > > > >
> > > > > > > > > On Sat, Mar 19, 2022 at 2:25 PM Fabio Estevam <festevam at gmail.com> wrote:
> > > > > > > > > >
> > > > > > > > > > Hi Michael,
> > > > > > > > > >
> > > > > > > > > > On Sat, Mar 19, 2022 at 6:47 AM Michael Nazzareno Trimarchi
> > > > > > > > > > <michael at amarulasolutions.com> wrote:
> > > > > > > > > > >
> > > > > > > > > > > HI
> > > > > > > > > > >
> > > > > > > > > > > Please send me a link to apply your series
> > > > > > > > > >
> > > > > > > > > > You can get the series from patchwork (just click in the 'series' button)
> > > > > > > > > > https://patchwork.ozlabs.org/project/uboot/patch/20220112133127.16880-2-gaurav.jain@nxp.com/
> > > > > > > > >
> > > > > > > > > Done, well, I have tried remove DM_GPIO in SPL. Seems that I need to
> > > > > > > > > remove a lot of features. I have tested LTO build but size
> > > > > > > > > of SPL increase. Is that strange?
> > > > > > > >
> > > > > > > > That is very strange. Can you post your patches somewhere?
> > > > > > > >
> > > > > > > > --
> > > > > > > > Tom
> > > > > > >
> > > > > > > Start from here 9776c4e9d00ac49d6388ffe9e084ff03b37ae479
> > > > > > > export ARCH=arm
> > > > > > > export CROSS_COMPILE=arm-linux-gnueabihf-
> > > > > > >
> > > > > > > make imx6dl_mamoj_defconfig
> > > > > > > build it
> > > > > > >
> > > > > > > Try then to enable LTO and build it again
> > > > > > >
> > > > > > > spl/u-boot-spl.bin exceeds file size limit:
> > > > > > > limit: 0xefa0 bytes
> > > > > > > actual: 0xf071 bytes
> > > > > > > excess: 0xd1 bytes
> > > > > > >
> > > > > > > So LTO does not help even on beginning on this board. You don't need
> > > > > > > to apply any patch for this test
> > > > > >
> > > > > > I think that's some artifact of mixing LTO/non-LTO and the world not
> > > > > > getting rebuilt? Just enabling LTO after the defconfig works fine and
> > > > > > is smaller than before.
> > > > >
> > > > > In order to save space I did not change what we have. Every build starts from
> > > > > a mrproper and new configuration. I can not mix LTO/non-LTO in this case. I'm
> > > > > using upstream defconfig and upstream defconfig + LTO enabled and the result is
> > > > > that spl increase in size for LTO building. I'm working to keep out
> > > > > part that are not really needed but
> > > > > I was hoping that LTO give me some help here
> > > >
> > > > Yes, LTO saves about 5KiB on the SPL binary. You just need to enable it
> > > > in the config before you start building, not after you've built
> > > > everything once.
> > >
> > > Offcourse ;) but this not the case. I don't drink enough to think that
> > > change a config, decrease the build size ;)
> >
> > LTO is an entirely different way of the compiler / linker optimizing the
> > binary. So yes, in this case enabling a single option decreases the
> > size.
>
>
> I think we are in a circle. Let's have the result with LTO
>
> spl/keep-syms-lto.c
> ( cd spl && arm-linux-gnueabihf-gcc -nostdlib -nostartfiles
> -fuse-linker-plugin -flto=8 -Wall -Wstrict-prototypes
> -Wno-format-security -fno-builtin -ffreestanding -std=gnu11
> -fshort-wchar -fno-strict-aliasing -fno-PIE -Os -flto=8
> -fno-stack-protector -fno-delete-null-pointer-checks -Wno-pointer-sign
> -Wno-stringop-truncation -Wno-array-bounds -Wno-stringop-overflow
> -Wno-maybe-uninitialized -fmacro-prefix-map=./= -g -fstack-usage
> -Wno-format-nonliteral -Wno-address-of-packed-member
> -Wno-unused-but-set-variable -Werror=date-time -Wno-packed-not-aligned
> -ffunction-sections -fdata-sections -fno-stack-protector -D__KERNEL__
> -D__UBOOT__ -DCONFIG_SPL_BUILD -D__ARM__ -Wa,-mimplicit-it=always
> -mthumb -mthumb-interwork -mabi=aapcs-linux -mno-unaligned-access
> -fno-common -ffixed-r9 -msoft-float -mgeneral-regs-only -pipe
> -march=armv7-a -D__LINUX_ARM_ARCH__=7 -mtune=generic-armv7-a
> -Ispl/include -Iinclude -I./arch/arm/include -include
> ./include/linux/kconfig.h -nostdinc -isystem
> /usr/lib/gcc-cross/arm-linux-gnueabihf/9/include -Wl,-T
> -Wl,u-boot-spl.lds -Wl,-Bstatic -Wl,--gc-sections
> -Wl,--no-dynamic-linker -Wl,--build-id=none -Wl,-Ttext -Wl,0x00908000
> arch/arm/cpu/armv7/start.o -Wl,--whole-archive
> arch/arm/cpu/armv7/built-in.o arch/arm/cpu/built-in.o
> arch/arm/lib/built-in.o arch/arm/mach-imx/built-in.o
> board/bticino/mamoj/built-in.o common/spl/built-in.o
> common/init/built-in.o boot/built-in.o common/built-in.o
> cmd/built-in.o env/built-in.o lib/built-in.o disk/built-in.o
> drivers/built-in.o drivers/usb/dwc3/built-in.o
> drivers/usb/cdns3/built-in.o dts/built-in.o fs/built-in.o
> keep-syms-lto.o arch/arm/lib/eabi_compat.o arch/arm/lib/lib.a
> -Wl,--no-whole-archive -Wl,-Map,u-boot-spl.map -o u-boot-spl )
> arm-linux-gnueabihf-objcopy -j .text -j .secure_text -j
> .secure_data -j .rodata -j .hash -j .data -j .got -j .got.plt -j
> .u_boot_list -j .rel.dyn -j .binman_sym_table -j .text_rest -j
> .dtb.init.rodata -j .efi_runtime -j .efi_runtime_rel -O binary
> spl/u-boot-spl spl/u-boot-spl-nodtb.bin
> arm-linux-gnueabihf-objdump -t spl/u-boot-spl > spl/u-boot-spl.sym
> cat spl/u-boot-spl-nodtb.bin spl/u-boot-spl.dtb > spl/u-boot-spl-dtb.bin
> cp spl/u-boot-spl-dtb.bin spl/u-boot-spl.bin
> spl/u-boot-spl.bin exceeds file size limit:
> limit: 0xefa0 bytes
> actual: 0xf079 bytes
> excess: 0xd9 bytes
> make: *** [Makefile:2082: spl/u-boot-spl.bin] Error 1
> make: *** Deleting file 'spl/u-boot-spl.bin'
>
> and without
>
> NUX_ARM_ARCH__=7 -mtune=generic-armv7-a -D__ASSEMBLY__ -x c -o
> spl/u-boot-spl.cfgout arch/arm/mach-imx/spl_sd.cfg
> ./tools/mkimage -n spl/u-boot-spl.cfgout -T imximage -e 0x00908000
> -d spl/u-boot-spl.bin SPL >SPL.log && cat SPL.log
> Image Type: Freescale IMX Boot Image
> Image Ver: 2 (i.MX53/6/7 compatible)
> Mode: DCD
> Data Size: 73824 Bytes = 72.09 KiB = 0.07 MiB
> Load Address: 00907420
> Entry Point: 00908000
> HAB Blocks: 0x00907400 0x00000000 0x0000fc00
> DCD Blocks: 0x00910000 0x0000002c 0x00000004
> make -f ./scripts/Makefile.build obj=arch/arm/mach-imx u-boot-with-spl.imx
> mkdir -p spl/
> ./tools/mkimage -n spl/u-boot-spl.cfgout -T imximage -e 0x00908000
> -d spl/u-boot-spl.bin SPL >SPL.log && cat SPL.log
> Image Type: Freescale IMX Boot Image
> Image Ver: 2 (i.MX53/6/7 compatible)
> Mode: DCD
> Data Size: 73824 Bytes = 72.09 KiB = 0.07 MiB
> Load Address: 00907420
> Entry Point: 00908000
> HAB Blocks: 0x00907400 0x00000000 0x0000fc00
> DCD Blocks: 0x00910000 0x0000002c 0x00000004
> arm-linux-gnueabihf-objcopy -j .text -j .secure_text -j
> .secure_data -j .rodata -j .hash -j .data -j .got -j .got.plt -j
> .u_boot_list -j .rel.dyn -j .binman_sym_table -j .text_rest -j
> .dtb.init.rodata -j .efi_runtime -j .efi_runtime_rel -I binary -O
> binary --pad-to=0x11000 SPL u-boot-with-spl.imx && cat u-boot.img >>
> u-boot-with-spl.imx || rm -f u-boot-with-spl.imx
>
>
> What I'm trying to say is that I have followed the correct steps and
> this is the LTO change
>
> git diff
> diff --git a/configs/imx6dl_mamoj_defconfig b/configs/imx6dl_mamoj_defconfig
> index ae27857e6f..4a535012b2 100644
> --- a/configs/imx6dl_mamoj_defconfig
> +++ b/configs/imx6dl_mamoj_defconfig
> @@ -14,6 +14,7 @@ CONFIG_SPL_TEXT_BASE=0x00908000
> CONFIG_SPL_DRIVERS_MISC=y
> CONFIG_IMX_HAB=y
> # CONFIG_CMD_BMODE is not set
> +CONFIG_LTO=y
> CONFIG_DISTRO_DEFAULTS=y
> CONFIG_BOOTDELAY=3
> CONFIG_SPL_OS_BOOT=y
Here's what I see:
$ git describe HEAD
v2022.04-rc4-50-g9776c4e9d00a
$ make imx6dl_mamoj_defconfig
HOSTCC scripts/basic/fixdep
HOSTCC scripts/kconfig/conf.o
YACC scripts/kconfig/zconf.tab.c
LEX scripts/kconfig/zconf.lex.c
HOSTCC scripts/kconfig/zconf.tab.o
HOSTLD scripts/kconfig/conf
#
# configuration written to .config
#
$ sed -i -e 's/# CONFIG_LTO is not set/CONFIG_LTO=y/' .config
$ grep LTO .config
CONFIG_ARCH_SUPPORTS_LTO=y
CONFIG_LTO=y
$ make CROSS_COMPILE=~/.buildman-toolchains/gcc-11.1.0-nolibc/arm-linux-gnueabi/bin/arm-linux-gnueabi- -sj12
===================== WARNING ======================
This board does not use CONFIG_DM_SERIAL (Driver Model
for Serial drivers). Please update the board to use
CONFIG_DM_SERIAL before the v2023.04 release. Failure to
update by the deadline may result in board removal.
See doc/driver-model/migration.rst for more info.
====================================================
arch/arm/dts/imx6dl-dhcom-pdk2.dtb: Warning (pwms_property): /display-bl:pwms: cell 3 is not a phandle reference
arch/arm/dts/imx6dl-dhcom-pdk2.dtb: Warning (pwms_property): /display-bl: Missing property '#pwm-cells' in node /soc/bus at 2000000/gpc at 20dc000 or bad phandle (referred from pwms[3])
arch/arm/dts/imx6q-dhcom-pdk2.dtb: Warning (pwms_property): /display-bl:pwms: cell 3 is not a phandle reference
arch/arm/dts/imx6q-dhcom-pdk2.dtb: Warning (pwms_property): /display-bl: Missing property '#pwm-cells' in node /soc/bus at 2000000/gpc at 20dc000 or bad phandle (referred from pwms[3])
$ ls -lh spl/u-boot-spl*
-rwxrwxr-x 1 trini trini 944K Mar 19 13:40 spl/u-boot-spl
-rw-rw-r-- 1 trini trini 54K Mar 19 13:40 spl/u-boot-spl.bin
-rw-rw-r-- 1 trini trini 1.6K Mar 19 13:40 spl/u-boot-spl.cfgout
-rw-rw-r-- 1 trini trini 2.2K Mar 19 13:40 spl/u-boot-spl.dtb
-rw-rw-r-- 1 trini trini 54K Mar 19 13:40 spl/u-boot-spl-dtb.bin
-rw-rw-r-- 1 trini trini 728 Mar 19 13:40 spl/u-boot-spl.lds
-rw-rw-r-- 1 trini trini 5.9K Mar 19 13:40 spl/u-boot-spl.ltrans0.ltrans.su
-rw-rw-r-- 1 trini trini 7.2K Mar 19 13:40 spl/u-boot-spl.ltrans1.ltrans.su
-rw-rw-r-- 1 trini trini 182K Mar 19 13:40 spl/u-boot-spl.map
-rwxrwxr-x 1 trini trini 51K Mar 19 13:40 spl/u-boot-spl-nodtb.bin
-rw-rw-r-- 1 trini trini 135K Mar 19 13:40 spl/u-boot-spl.sym
--
Tom
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