public_mirrors
/
buildroot
mirror of https://github.com/godotengine/buildroot.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

arch: add support for the csky architecture 

This commit provides basic support for the C-SKY architecture.

Signed-off-by: Guo Ren <ren_guo@c-sky.com>
[Thomas: minor tweaks.]
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Guo Ren 2017-03-03 09:20:20 +08:00 committed by Thomas Petazzoni
parent 00d34e8a6f
commit f7f568f5e0
4 changed files with 62 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
DEVELOPERS
View File

@ -593,6 +593,9 @@ F: package/sdl2/
N: Guillaume William Brs <guillaume.bressaix@gmail.com>
F: package/liquid-dsp/
N: Guo Ren <ren_guo@c-sky.com>
F: arch/Config.in.csky
N: Gustavo Zacarias <gustavo@zacarias.com.ar>
F: arch/Config.in.powerpc
F: board/qemu/

12
arch/Config.in
View File

@ -85,6 +85,14 @@ config BR2_bfin
http://www.analog.com/
http://en.wikipedia.org/wiki/Blackfin
config BR2_csky
bool "csky"
select BR2_ARCH_HAS_MMU_MANDATORY
help
csky is processor IP from china.
http://www.c-sky.com/
http://www.github.com/c-sky
config BR2_i386
bool "i386"
select BR2_ARCH_HAS_MMU_MANDATORY
@ -369,6 +377,10 @@ if BR2_bfin
source "arch/Config.in.bfin"
endif
if BR2_csky
source "arch/Config.in.csky"
endif
if BR2_m68k
source "arch/Config.in.m68k"
endif

46
arch/Config.in.csky Normal file
View File

@ -0,0 +1,46 @@
choice
prompt "Target Architecture Variant"
default BR2_ck610
help
Specific CPU variant to use
config BR2_ck610
bool "ck610"
config BR2_ck807
bool "ck807"
config BR2_ck810
bool "ck810"
endchoice
config BR2_CSKY_FPU
bool "Enable FPU coprocessor"
depends on BR2_ck810 || BR2_ck807
help
You can say N here if your C-SKY CPU doesn't have a
Floating-Point Coprocessor or if you don't need FPU support
for your user-space programs.
config BR2_CSKY_DSP
bool "Enable DSP enhanced instructions"
depends on BR2_ck810 || BR2_ck807
config BR2_ARCH
default "csky"
config BR2_ENDIAN
default "LITTLE"
config BR2_GCC_TARGET_CPU
default "ck610" if (BR2_ck610 && !BR2_CSKY_FPU && !BR2_CSKY_DSP)
default "ck807" if (BR2_ck807 && !BR2_CSKY_FPU && !BR2_CSKY_DSP)
default "ck807e" if (BR2_ck807 && !BR2_CSKY_FPU && BR2_CSKY_DSP)
default "ck807f" if (BR2_ck807 && BR2_CSKY_FPU && !BR2_CSKY_DSP)
default "ck807ef" if (BR2_ck807 && BR2_CSKY_FPU && BR2_CSKY_DSP)
default "ck810" if (BR2_ck810 && !BR2_CSKY_FPU && !BR2_CSKY_DSP)
default "ck810e" if (BR2_ck810 && !BR2_CSKY_FPU && BR2_CSKY_DSP)
default "ck810f" if (BR2_ck810 && BR2_CSKY_FPU && !BR2_CSKY_DSP)
default "ck810ef" if (BR2_ck810 && BR2_CSKY_FPU && BR2_CSKY_DSP)

1
toolchain/Config.in
View File

@ -46,6 +46,7 @@ config BR2_TOOLCHAIN_BUILDROOT
depends on !BR2_bf607
depends on !BR2_bf608
depends on !BR2_bf609
depends on !BR2_csky
config BR2_TOOLCHAIN_EXTERNAL
bool "External toolchain"