From: Pavan Nikhilesh <pbhagavat...@marvell.com>

Currently, RTE_* flags are set based on the implementer ID but there might
be some micro arch specific differences from the same vendor
eg. CACHE_LINESIZE. Add support to set micro arch specific flags.

Signed-off-by: Pavan Nikhilesh <pbhagavat...@marvell.com>
Signed-off-by: Jerin Jacob <jer...@marvell.com>
---
 config/arm/meson.build | 37 ++++++++++++++++++++++++++++++++-----
 1 file changed, 32 insertions(+), 5 deletions(-)

diff --git a/config/arm/meson.build b/config/arm/meson.build
index 8e892fa77..3db6d6445 100644
--- a/config/arm/meson.build
+++ b/config/arm/meson.build
@@ -52,12 +52,10 @@ flags_generic = [
        ['RTE_USE_C11_MEM_MODEL', true],
        ['RTE_CACHE_LINE_SIZE', 128]]
 flags_cavium = [
-       ['RTE_MACHINE', '"thunderx"'],
        ['RTE_CACHE_LINE_SIZE', 128],
        ['RTE_MAX_NUMA_NODES', 2],
        ['RTE_MAX_LCORE', 96],
-       ['RTE_MAX_VFIO_GROUPS', 128],
-       ['RTE_USE_C11_MEM_MODEL', false]]
+       ['RTE_MAX_VFIO_GROUPS', 128]]
 flags_dpaa = [
        ['RTE_MACHINE', '"dpaa"'],
        ['RTE_USE_C11_MEM_MODEL', true],
@@ -71,6 +69,27 @@ flags_dpaa2 = [
        ['RTE_MAX_NUMA_NODES', 1],
        ['RTE_MAX_LCORE', 16],
        ['RTE_LIBRTE_DPAA2_USE_PHYS_IOVA', false]]
+flags_default_extra = []
+flags_thunderx_extra = [
+       ['RTE_MACHINE', '"thunderx"'],
+       ['RTE_USE_C11_MEM_MODEL', false]]
+
+machine_args_generic = [
+       ['default', ['-march=armv8-a+crc+crypto']],
+       ['native', ['-march=native']],
+       ['0xd03', ['-mcpu=cortex-a53']],
+       ['0xd04', ['-mcpu=cortex-a35']],
+       ['0xd07', ['-mcpu=cortex-a57']],
+       ['0xd08', ['-mcpu=cortex-a72']],
+       ['0xd09', ['-mcpu=cortex-a73']],
+       ['0xd0a', ['-mcpu=cortex-a75']]]
+
+machine_args_cavium = [
+       ['default', ['-march=armv8-a+crc+crypto','-mcpu=thunderx']],
+       ['native', ['-march=native']],
+       ['0xa1', ['-mcpu=thunderxt88'], flags_thunderx_extra],
+       ['0xa2', ['-mcpu=thunderxt81'], flags_thunderx_extra],
+       ['0xa3', ['-mcpu=thunderxt83'], flags_thunderx_extra]]
 
 ## Arm implementer ID (ARM DDI 0487C.a, Section G7.2.106, Page G7-5321)
 impl_generic = ['Generic armv8', flags_generic, machine_args_generic]
@@ -157,8 +176,16 @@ else
        endif
        foreach marg: machine[2]
                if marg[0] == impl_pn
-                       foreach f: marg[1]
-                               machine_args += f
+                       foreach flag: marg[1]
+                               if cc.has_argument(flag)
+                                       machine_args += flag
+                               endif
+                       endforeach
+                       # Apply any extra machine specific flags.
+                       foreach flag: marg.get(2, flags_default_extra)
+                               if flag.length() > 0
+                                       dpdk_conf.set(flag[0], flag[1])
+                               endif
                        endforeach
                endif
        endforeach
-- 
2.21.0

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