Hi Joakim, On Wed, Dec 5, 2018 at 11:03 AM Joakim Tjernlund <joakim.tjernl...@infinera.com> wrote: > > Ping ? > > On Thu, 2018-11-29 at 14:09 +0100, Joakim Tjernlund wrote: > > OOPS, I forgot to include you in this patch so I do that now :) > > > > > > ------- Forwarded Message -------- > > From: Joakim Tjernlund <joakim.tjernl...@infinera.com> > > To: u-boot@lists.denx.de > > Cc: Joakim Tjernlund <joakim.tjernl...@infinera.com> > > Subject: [PATCH] mpc83xx: Add support for -msingle-pic-base > > Date: Wed, 28 Nov 2018 10:59:55 +0100 > > > > -msingle-pic-base is a new gcc(from 4.6) option for ppc and > > it reduces the size of my u-boot with about 4 KB. > > While at it, add -fno-jump-tables too to save a > > few more bytes. > > > > Signed-off-by: Joakim Tjernlund <joakim.tjernl...@infinera.com> > > --- > > > > I think all PowerPC's can use this but I have only tested > > 83xx so just enable for this cpu for now. > > > > arch/powerpc/cpu/mpc83xx/config.mk | 1 + > > arch/powerpc/cpu/mpc83xx/start.S | 3 +++ > > 2 files changed, 4 insertions(+) > > > > diff --git a/arch/powerpc/cpu/mpc83xx/config.mk > > b/arch/powerpc/cpu/mpc83xx/config.mk > > index 14870eec4d..a07df4d389 100644 > > --- a/arch/powerpc/cpu/mpc83xx/config.mk > > +++ b/arch/powerpc/cpu/mpc83xx/config.mk > > @@ -3,3 +3,4 @@ > > # Copyright 2004 Freescale Semiconductor, Inc. > > > > PLATFORM_CPPFLAGS += -DCONFIG_E300 -msoft-float > > +PLATFORM_RELFLAGS += -msingle-pic-base -fno-jump-tables > > diff --git a/arch/powerpc/cpu/mpc83xx/start.S > > b/arch/powerpc/cpu/mpc83xx/start.S > > index a3bacf138c..c00bb31363 100644 > > --- a/arch/powerpc/cpu/mpc83xx/start.S > > +++ b/arch/powerpc/cpu/mpc83xx/start.S > > @@ -288,6 +288,9 @@ in_flash: > > /*------------------------------------------------------*/ > > > > GET_GOT /* initialize GOT access */ > > + /* Needed for -msingle-pic-base */ > > + bl _GLOBAL_OFFSET_TABLE_@local-4 > > + mflr r30 > > > > /* r3: IMMR */ > > lis r3, CONFIG_SYS_IMMR@h > Don't worry, I was aware of the patch; just had to find some time for testing :-)
Reviewed-by: Mario Six <mario....@gdsys.cc> Tested-by: Mario Six <mario....@gdsys.cc> (on MPC8308) Best regards, Mario _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot