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eal/x86: fix some CPU extended features definitions

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Caught while checking CPUID related stuff in OVS.

According to [1], for Structured Extended Feature Flags Enumeration Leaf
(EAX = 0x07H, ECX = 0):

- BMI1 is associated to EBX, bit 3 (was incorrectly 2),
- SMEP is associated to EBX, bit 7 (was incorrectly 6),
- BMI2 is associated to EBX, bit 8 (was incorrectly 7),
- ERMS is associated to EBX, bit 9 (was incorrectly 8),

1: https://software.intel.com/sites/default/files/managed/c5/15/architecture-instruction-set-extensions-programming-reference.pdf

Fixes: af75078fece3 ("first public release")
Cc: stable@dpdk.org

Signed-off-by: David Marchand <david.marchand@redhat.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
This commit is contained in:
David Marchand 2021-10-08 14:07:14 +02:00
parent 24d5a1ce6b
commit aae3037ab1
1 changed files with 4 additions and 4 deletions
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8
lib/eal/x86/rte_cpuflags.c
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@ -100,12 +100,12 @@ const struct feature_entry rte_cpu_feature_table[] = {
FEAT_DEF(ENERGY_EFF, 0x00000006, 0, RTE_REG_ECX, 3)
FEAT_DEF(FSGSBASE, 0x00000007, 0, RTE_REG_EBX, 0)
FEAT_DEF(BMI1, 0x00000007, 0, RTE_REG_EBX, 2)
FEAT_DEF(BMI1, 0x00000007, 0, RTE_REG_EBX, 3)
FEAT_DEF(HLE, 0x00000007, 0, RTE_REG_EBX, 4)
FEAT_DEF(AVX2, 0x00000007, 0, RTE_REG_EBX, 5)
FEAT_DEF(SMEP, 0x00000007, 0, RTE_REG_EBX, 6)
FEAT_DEF(BMI2, 0x00000007, 0, RTE_REG_EBX, 7)
FEAT_DEF(ERMS, 0x00000007, 0, RTE_REG_EBX, 8)
FEAT_DEF(SMEP, 0x00000007, 0, RTE_REG_EBX, 7)
FEAT_DEF(BMI2, 0x00000007, 0, RTE_REG_EBX, 8)
FEAT_DEF(ERMS, 0x00000007, 0, RTE_REG_EBX, 9)
FEAT_DEF(INVPCID, 0x00000007, 0, RTE_REG_EBX, 10)
FEAT_DEF(RTM, 0x00000007, 0, RTE_REG_EBX, 11)
FEAT_DEF(AVX512F, 0x00000007, 0, RTE_REG_EBX, 16)