[U-Boot-Users] Cortex-M1 support

[Shinose]

On Mon, Mar 3, 2008 at 5:20 PM, Wolfgang Denk <wd at denx.de> wrote:
> In message <000001c87d22$0da9c8d0$9a4d010a at Emea.Arm.com> you wrote:
>  >
>  >       Currently I'm envisaging
>  >
>  >       ./lib_arm               Existing armv4,v5 assembly code
>  >       ./lib_armv6             New v6 arm assembly code
>  >       ./lib_armv6m    New v6 thumb assembly code
>  >       ./lib_armv7             New v7 arm assembly code
>  >       ./lib_armv7m    New v7m thumb assembly code
>  >       ./cpu/armxxx    Existing arm v4,v5 cpus
>  >       ./cpu/armv6             New v6 arm cpus
>  >       ./cpu/armv6m      New v6 thumb cpus
>  >       ./cpu/armv7       New v7 arm cpus
>  >       ./cpu/armv7m      New v7 thumb cpus
>  >       ./include/asm-arm/arch-v6       v6 socs
>  >       ./include/asm-arm/arch-v6m    v6 thumb socs
>  >       ./include/asm-arm/arch-v7     v7 socs
>  >       ./include/asm-arm/arch-v7m    v7 thumb socs
>
>  Do we really need all these directories? No chance to use common code
>  at least for some of them?
>
>  Best regards,
>
>  Wolfgang Denk
>
>  --
>  DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
>  HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
>  Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
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>  the learning of each other?
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>            Hollow and I Have Touched the Sky", stardate 5476.3.
>
>
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Hi,

If we move all the startup code and lib routines to thumb instructions
we could maintain a single directory for all the ARM architectures and
upward compatible too :-)

Thanks & Regards,
Shinose.