Oh Sorry I misunderstood, you are right. After checking Ampere is "0xc0" I will correct it in v2. https://llvm.org/doxygen/Host_8cpp_source.html Thanks again. On Fri, Sep 23, 2022 at 9:17 PM Martin Kletzander <mkletzan@xxxxxxxxxx> wrote: > > On Fri, Sep 23, 2022 at 06:35:52PM +0800, Zhenyu Zhang wrote: > >Of course, you can check Neoverse N1 core "0xd0c" from the link > >below. Also do you think I should add the values for neoverse n2 > >and v1 at the same time? > > > > Might just as well. > > >https://developer.arm.com/documentation/100616/0301/register-descriptions/aarch64-system-registers/midr-el1--main-id-register--el1 > > > > Thanks, I still can't find that Ampere is 0x71. > > >On Tue, Sep 20, 2022 at 8:38 PM Martin Kletzander <mkletzan@xxxxxxxxxx> wrote: > >> > >> On Tue, Sep 13, 2022 at 10:10:02PM -0400, Zhenyu Zhang wrote: > >> >Add Neoverse-N1 as a supported cpu model. > >> > > >> > >> I would like to review this patch, but I could not find the vendor ID in > >> any official documentation. I know I am bad at searching, but the only > >> thing I could find was that Ampere vendor uses "0xc0" as the value and > >> part values for neoverse n1/n2/v1 which ought to be "0xd0c", "0xd49" and > >> "0xd40" respectively. > >> > >> It could speed up the review if you included some pointer to a technical > >> specification or something that would make it easier to check. > >> > >> >Signed-off-by: Zhang Zhenyu <zhenyzha@xxxxxxxxxx> > >> >--- > >> > src/cpu_map/arm_neoverse-n1.xml | 6 ++++++ > >> > src/cpu_map/arm_vendors.xml | 1 + > >> > src/cpu_map/index.xml | 3 +++ > >> > src/cpu_map/meson.build | 1 + > >> > 4 files changed, 11 insertions(+) > >> > create mode 100644 src/cpu_map/arm_neoverse-n1.xml > >> > > >> >diff --git a/src/cpu_map/arm_neoverse-n1.xml b/src/cpu_map/arm_neoverse-n1.xml > >> >new file mode 100644 > >> >index 0000000000..14c7f7c300 > >> >--- /dev/null > >> >+++ b/src/cpu_map/arm_neoverse-n1.xml > >> >@@ -0,0 +1,6 @@ > >> >+<cpus> > >> >+ <model name='Neoverse-N1'> > >> >+ <vendor name='Ampere'/> > >> >+ <pvr value='0xd0c'/> > >> >+ </model> > >> >+</cpus> > >> >diff --git a/src/cpu_map/arm_vendors.xml b/src/cpu_map/arm_vendors.xml > >> >index 92d10565f4..a9a945584b 100644 > >> >--- a/src/cpu_map/arm_vendors.xml > >> >+++ b/src/cpu_map/arm_vendors.xml > >> >@@ -13,4 +13,5 @@ > >> > <vendor name='Marvell' value='0x56'/> > >> > <vendor name='Intel' value='0x69'/> > >> > <vendor name='Phytium' value='0x70'/> > >> >+ <vendor name='Ampere' value='0x71'/> > >> > </cpus> > >> >diff --git a/src/cpu_map/index.xml b/src/cpu_map/index.xml > >> >index d533a28865..2419fa0a64 100644 > >> >--- a/src/cpu_map/index.xml > >> >+++ b/src/cpu_map/index.xml > >> >@@ -98,6 +98,9 @@ > >> > <include filename='arm_cortex-a57.xml'/> > >> > <include filename='arm_cortex-a72.xml'/> > >> > > >> >+ <!-- Ampere-based CPU models --> > >> >+ <include filename='arm_neoverse-n1.xml'/> > >> >+ > >> > <!-- Qualcomm-based CPU models --> > >> > <include filename='arm_Falkor.xml'/> > >> > > >> >diff --git a/src/cpu_map/meson.build b/src/cpu_map/meson.build > >> >index 99264289e2..c8f2e36eea 100644 > >> >--- a/src/cpu_map/meson.build > >> >+++ b/src/cpu_map/meson.build > >> >@@ -7,6 +7,7 @@ cpumap_data = [ > >> > 'arm_FT-2000plus.xml', > >> > 'arm_features.xml', > >> > 'arm_Kunpeng-920.xml', > >> >+ 'arm_neoverse-n1.xml', > >> > 'arm_Tengyun-S2500.xml', > >> > 'arm_ThunderX299xx.xml', > >> > 'arm_vendors.xml', > >> >-- > >> >2.31.1 > >> > > >