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Improves PMP CSR detections as-per latest RISC-V spec 2. Adds MHPM counter detection at boot-time 3. Improves HPM counter read/write emulation as-per latest RISC-V spec These patches are also available in pmp_hpm_imp_v1 branch at https://github.com/avpatel/opensbi.git Anup Patel (5): lib: sbi: Remove redundant SBI_HART_HAS_PMP feature lib: sbi: Improve PMP CSR detection and progamming lib: sbi: Detect and print MHPM counters at boot-time include: sbi: Few cosmetic changes in riscv_encoding.h lib: sbi: Improve HPM CSR read/write emulation include/sbi/riscv_encoding.h | 71 ++++++++++++- include/sbi/sbi_hart.h | 9 +- lib/sbi/riscv_asm.c | 186 +++++++++++++---------------------- lib/sbi/sbi_emulate_csr.c | 147 +++++++++++++-------------- lib/sbi/sbi_hart.c | 106 ++++++++++++-------- lib/sbi/sbi_init.c | 1 + lib/utils/fdt/fdt_fixup.c | 2 +- 7 files changed, 282 insertions(+), 240 deletions(-)