[syslinux] [PATCH] Add support for Hygon Dhyana processor

[Jinke Fan]

Is there anyone who can please help me with the submit process?
Thanks in advance.

Best regards.
Jinke Fan
On 2019/5/15 15:57, Jinke Fan wrote:
> Background:
>      Chengdu Haiguang IC Design Co., Ltd (Hygon) is a Joint Venture
>      between AMD and Haiguang Information Technology Co.,Ltd., aims at
>      providing high performance x86 processor for China server market.
>      Its first generation processor codename is Dhyana, which
>      originates from AMD technology and shares most of the
>      architecture with AMD's family 17h, but with different CPU Vendor
>      ID("HygonGenuine")/Family series number(Family 18h).
> 
> Related Hygon kernel patch can be found on:
> http://lkml.kernel.org/r/5ce86123a7b9dad925ac583d88d2f921040e859b.1538583282.git.puwen@hygon.cn
> 
> Signed-off-by: Jinke Fan <fanjinke51 at yeah.net>
> ---
>   com32/gplinclude/cpuid.h | 5 +++--
>   com32/gpllib/cpuid.c     | 7 +++++++
>   2 files changed, 10 insertions(+), 2 deletions(-)
> 
> diff --git a/com32/gplinclude/cpuid.h b/com32/gplinclude/cpuid.h
> index 02f3a0b3..fd77b69d 100644
> --- a/com32/gplinclude/cpuid.h
> +++ b/com32/gplinclude/cpuid.h
> @@ -187,8 +187,9 @@ extern bool get_cpu_flag_value_from_name(s_cpu *cpu, const char * flag);
>   #define X86_VENDOR_RISE 6
>   #define X86_VENDOR_TRANSMETA 7
>   #define X86_VENDOR_NSC 8
> -#define X86_VENDOR_UNKNOWN 9
> -#define X86_VENDOR_NUM 10
> +#define X86_VENDOR_HYGON 9
> +#define X86_VENDOR_UNKNOWN 10
> +#define X86_VENDOR_NUM 11
>   
>   #define cpu_has(c, bit)                test_bit(bit, (c)->x86_capability)
>   
> diff --git a/com32/gpllib/cpuid.c b/com32/gpllib/cpuid.c
> index 2abd0bda..0681dbce 100644
> --- a/com32/gpllib/cpuid.c
> +++ b/com32/gpllib/cpuid.c
> @@ -60,6 +60,11 @@ static struct cpu_dev amd_cpu_dev = {
>       .c_ident = {"AuthenticAMD"}
>   };
>   
> +static struct cpu_dev hygon_cpu_dev = {
> +    .c_vendor = "Hygon",
> +    .c_ident = {"HygonGenuine"}
> +};
> +
>   static struct cpu_dev intel_cpu_dev = {
>       .c_vendor = "Intel",
>       .c_ident = {"GenuineIntel"}
> @@ -149,6 +154,7 @@ void init_cpu_devs(void)
>       cpu_devs[X86_VENDOR_RISE] = &rise_cpu_dev;
>       cpu_devs[X86_VENDOR_TRANSMETA] = &transmeta_cpu_dev;
>       cpu_devs[X86_VENDOR_NSC] = &nsc_cpu_dev;
> +    cpu_devs[X86_VENDOR_HYGON] = &hygon_cpu_dev;
>       cpu_devs[X86_VENDOR_UNKNOWN] = &unknown_cpu_dev;
>   }
>   
> @@ -389,6 +395,7 @@ void generic_identify(struct cpuinfo_x86 *c)
>       /* Detecting the number of cores */
>       switch (c->x86_vendor) {
>       case X86_VENDOR_AMD:
> +    case X86_VENDOR_HYGON:
>   	if (xlvl >= 0x80000008) {
>   	    c->x86_num_cores = (cpuid_ecx(0x80000008) & 0xff) + 1;
>   	    if (c->x86_num_cores & (c->x86_num_cores - 1))
>