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lib: sbi: Convert hart features into hart extensions

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Since past few years, we have been using "hart features" in OpenSBI
to represent all optionalities and multi-letter extensions defined
by the RISC-V specifications.

The RISC-V profiles specification has taken a different approach and
started assigning extension names for all optionalities which did not
have any extension name previously.
(Refer, https://github.com/riscv/riscv-profiles/blob/main/profiles.adoc)

Inspired from the RISC-V profiles specification, we convert OpenSBI
hart features into hart extensions. Going forward, we align the
extension naming with RISC-V profiles specification. Currently, only
"time CSR" and "AIA CSR" have not been assigned extension name but
for everything else we have a name.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Reviewed-by: Atish Patra <atishp@rivosinc.com>
This commit is contained in:
Anup Patel
2022-04-28 21:29:22 +05:30
committed by Anup Patel
parent a6ab94fdbf
commit cad6c91045
7 changed files with 86 additions and 93 deletions
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4
lib/sbi/sbi_init.c
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@@ -143,8 +143,8 @@ static void sbi_boot_print_hart(struct sbi_scratch *scratch, u32 hartid)
sbi_printf("Boot HART Priv Version : %s\n", str);
misa_string(xlen, str, sizeof(str));
sbi_printf("Boot HART Base ISA : %s\n", str);
sbi_hart_get_features_str(scratch, str, sizeof(str));
sbi_printf("Boot HART Features : %s\n", str);
sbi_hart_get_extensions_str(scratch, str, sizeof(str));
sbi_printf("Boot HART ISA Extensions : %s\n", str);
sbi_printf("Boot HART PMP Count : %d\n",
sbi_hart_pmp_count(scratch));
sbi_printf("Boot HART PMP Granularity : %lu\n",