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Add RNMI CSRs and instruction
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Don't merge yet; it's still early days for this extension.
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aswaterman committed Nov 9, 2021
1 parent 6c34f60 commit e0082ff
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Showing 2 changed files with 6 additions and 1 deletion.
1 change: 1 addition & 0 deletions opcodes-system
Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@ 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
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
mnret 11..7=0 19..15=0 31..20=0x702 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
sfence.vma 11..7=0 rs1 rs2 31..25=0x09 14..12=0 6..2=0x1C 1..0=3
wfi 11..7=0 19..15=0 31..20=0x105 14..12=0 6..2=0x1C 1..0=3
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6 changes: 5 additions & 1 deletion parse_opcodes
Original file line number Diff line number Diff line change
Expand Up @@ -203,6 +203,10 @@ csrs = [
(0x344, 'mip'),
(0x34a, 'mtinst'),
(0x34b, 'mtval2'),
(0x350, 'mnscratch'),
(0x351, 'mnepc'),
(0x352, 'mncause'),
(0x353, 'mnstatus'),
(0x3a0, 'pmpcfg0'),
(0x3a1, 'pmpcfg1'),
(0x3a2, 'pmpcfg2'),
Expand Down Expand Up @@ -827,7 +831,7 @@ def print_insts(*names):
def make_supervisor_latex_table():
print_header('r', 'i')
print_subtitle('Trap-Return Instructions')
print_insts('sret', 'mret')
print_insts('sret', 'mret', 'mnret')
print_subtitle('Interrupt-Management Instructions')
print_insts('wfi')
print_subtitle('Supervisor Memory-Management Instructions')
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