| Message ID | 20200430072139.4602-7-zhiwei_liu@c-sky.com |
|---|---|
| State | New |
| Headers | show |
| Series | RISCV risu porting | expand |
On 4/30/20 12:21 AM, LIU Zhiwei wrote: > +++ b/configure > @@ -58,6 +58,8 @@ guess_arch() { > ARCH="m68k" > elif check_define __powerpc64__ ; then > ARCH="ppc64" > + elif check_define __riscv ; then > + ARCH="riscv64" > else > echo "This cpu is not supported by risu. Try -h. " >&2 > exit 1 Why "riscv64" and not "riscv"? You can't really say more without checking __riscv_xlen. r~
On 2020/5/12 2:06, Richard Henderson wrote: > On 4/30/20 12:21 AM, LIU Zhiwei wrote: >> +++ b/configure >> @@ -58,6 +58,8 @@ guess_arch() { >> ARCH="m68k" >> elif check_define __powerpc64__ ; then >> ARCH="ppc64" >> + elif check_define __riscv ; then >> + ARCH="riscv64" >> else >> echo "This cpu is not supported by risu. Try -h. " >&2 >> exit 1 > Why "riscv64" and not "riscv"? > > You can't really say more without checking __riscv_xlen. Thanks for point it out. I will add support for RV32 next patch set. Zhiwei > > r~
On 2020/5/20 9:45, LIU Zhiwei wrote: > > On 2020/5/12 2:06, Richard Henderson wrote: >> On 4/30/20 12:21 AM, LIU Zhiwei wrote: >>> +++ b/configure >>> @@ -58,6 +58,8 @@ guess_arch() { >>> ARCH="m68k" >>> elif check_define __powerpc64__ ; then >>> ARCH="ppc64" >>> + elif check_define __riscv ; then >>> + ARCH="riscv64" >>> else >>> echo "This cpu is not supported by risu. Try -h. " >&2 >>> exit 1 >> Why "riscv64" and not "riscv"? >> >> You can't really say more without checking __riscv_xlen. > Thanks for point it out. I will add support for RV32 next patch set. Perhaps not to support RV32, because I don't have hardware in RV32 to support Linux. So the next patch set will focus on the rv64gc, and add more check for __riscv_xlen and __riscv_flen. Zhiwei > > > Zhiwei >> >> r~ >
diff --git a/configure b/configure index ca2d7db..5c9e967 100755 --- a/configure +++ b/configure @@ -58,6 +58,8 @@ guess_arch() { ARCH="m68k" elif check_define __powerpc64__ ; then ARCH="ppc64" + elif check_define __riscv ; then + ARCH="riscv64" else echo "This cpu is not supported by risu. Try -h. " >&2 exit 1 @@ -139,7 +141,7 @@ Some influential environment variables: prefixed with the given string. ARCH force target architecture instead of trying to detect it. - Valid values=[arm|aarch64|ppc64|ppc64le|m68k] + Valid values=[arm|aarch64|ppc64|ppc64le|m68k|riscv64] CC C compiler command CFLAGS C compiler flags
For RV64 risu, make CFLAGS="-march=rv64g" Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com> --- configure | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)