From 86c755bb975b20566b5a22cba3f3d04428713daf Mon Sep 17 00:00:00 2001 From: Andrew Waterman Date: Sat, 30 Apr 2016 17:42:44 -0700 Subject: ERET -> xRET --- opcodes | 7 +++++-- opcodes-pseudo | 7 +++---- parse-opcodes | 2 +- 3 files changed, 9 insertions(+), 7 deletions(-) diff --git a/opcodes b/opcodes index 38ea6e7..7b6fc2a 100644 --- a/opcodes +++ b/opcodes @@ -113,9 +113,12 @@ lr.d rd rs1 24..20=0 aqrl 31..29=0 28..27=2 14..12=3 6..2=0x0B 1..0=3 sc.d rd rs1 rs2 aqrl 31..29=0 28..27=3 14..12=3 6..2=0x0B 1..0=3 # SYSTEM -scall 11..7=0 19..15=0 31..20=0x000 14..12=0 6..2=0x1C 1..0=3 -sbreak 11..7=0 19..15=0 31..20=0x001 14..12=0 6..2=0x1C 1..0=3 +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 +hret 11..7=0 19..15=0 31..20=0x202 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 sfence.vm 11..7=0 rs1 31..20=0x104 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 csrrw rd rs1 imm12 14..12=1 6..2=0x1C 1..0=3 diff --git a/opcodes-pseudo b/opcodes-pseudo index 20c83ec..effae54 100644 --- a/opcodes-pseudo +++ b/opcodes-pseudo @@ -19,7 +19,6 @@ @rdtimeh rd 19..15=0 31..20=0xC81 14..12=2 6..2=0x1C 1..0=3 @rdinstreth rd 19..15=0 31..20=0xC82 14..12=2 6..2=0x1C 1..0=3 -# Krste can't decide how to name these instructions -@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 -@eret 11..7=0 19..15=0 31..20=0x100 14..12=0 6..2=0x1C 1..0=3 +# Old names for ecall/ebreak +@scall 11..7=0 19..15=0 31..20=0x000 14..12=0 6..2=0x1C 1..0=3 +@sbreak 11..7=0 19..15=0 31..20=0x001 14..12=0 6..2=0x1C 1..0=3 diff --git a/parse-opcodes b/parse-opcodes index fbbabde..d19b33f 100755 --- a/parse-opcodes +++ b/parse-opcodes @@ -632,7 +632,7 @@ def make_supervisor_latex_table(): print_insts('csrrw', 'csrrs', 'csrrc') print_insts('csrrwi', 'csrrsi', 'csrrci') print_subtitle('Instructions to Change Privilege Level') - print_insts('ecall', 'ebreak', 'eret') + print_insts('ecall', 'ebreak', 'uret', 'sret', 'hret', 'mret') print_subtitle('Interrupt-Management Instructions') print_insts('wfi') print_subtitle('Memory-Management Instructions') -- cgit v1.1