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| author | Andrew Waterman <andrew@sifive.com> | 2021-08-25 15:58:51 -0700 |
|---|---|---|
| committer | Andrew Waterman <andrew@sifive.com> | 2021-08-25 15:59:17 -0700 |
| commit | 7cdc0412849acbd5a4a041b24c9defb7e2f6d9bc (patch) | |
| tree | 22d8b3f32f2f9f6eb1eb01104a3f9474a9c271a1 | |
| parent | d3e5e22e3ee07c97d1e262a847573b063fbc98dd (diff) | |
| download | riscv-opcodes-7cdc0412849acbd5a4a041b24c9defb7e2f6d9bc.zip riscv-opcodes-7cdc0412849acbd5a4a041b24c9defb7e2f6d9bc.tar.gz riscv-opcodes-7cdc0412849acbd5a4a041b24c9defb7e2f6d9bc.tar.bz2 | |
Remove vestages of N extension
N has been deprecated in favor of bare S.
| -rw-r--r-- | opcodes-system | 1 | ||||
| -rwxr-xr-x | parse_opcodes | 10 |
2 files changed, 1 insertions, 10 deletions
diff --git a/opcodes-system b/opcodes-system index 9517814..aa26e38 100644 --- a/opcodes-system +++ b/opcodes-system @@ -1,7 +1,6 @@ # SYSTEM ecall 11..7=0 19..15=0 31..20=0x000 14..12=0 6..2=0x1C 1..0=3 ebreak 11..7=0 19..15=0 31..20=0x001 14..12=0 6..2=0x1C 1..0=3 -uret 11..7=0 19..15=0 31..20=0x002 14..12=0 6..2=0x1C 1..0=3 sret 11..7=0 19..15=0 31..20=0x102 14..12=0 6..2=0x1C 1..0=3 mret 11..7=0 19..15=0 31..20=0x302 14..12=0 6..2=0x1C 1..0=3 dret 11..7=0 19..15=0 31..20=0x7b2 14..12=0 6..2=0x1C 1..0=3 diff --git a/parse_opcodes b/parse_opcodes index bec7250..b8059e5 100755 --- a/parse_opcodes +++ b/parse_opcodes @@ -87,18 +87,10 @@ csrs = [ (0x001, 'fflags'), (0x002, 'frm'), (0x003, 'fcsr'), - (0x000, 'ustatus'), - (0x004, 'uie'), - (0x005, 'utvec'), (0x008, 'vstart'), (0x009, 'vxsat'), (0x00A, 'vxrm'), (0x00F, 'vcsr'), - (0x040, 'uscratch'), - (0x041, 'uepc'), - (0x042, 'ucause'), - (0x043, 'utval'), - (0x044, 'uip'), # Standard User RO (0xC00, 'cycle'), @@ -834,7 +826,7 @@ def print_insts(*names): def make_supervisor_latex_table(): print_header('r', 'i') print_subtitle('Trap-Return Instructions') - print_insts('uret', 'sret', 'mret') + print_insts('sret', 'mret') print_subtitle('Interrupt-Management Instructions') print_insts('wfi') print_subtitle('Supervisor Memory-Management Instructions') |