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Added glabels read/written directly to FPRs.

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This commit is contained in:
Antonio Castelli
2021-05-28 19:25:10 -07:00
parent 7948983a6f
commit 24fc3242db
12 changed files with 38 additions and 28 deletions
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tools/python/find_glabels.py
+5 -5
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@@ -3,13 +3,13 @@ import re
from file_util import FileUtil
LINE_START_REGEX = r'\n(/\* ([0-9A-F]{6}) [0-9A-F]{8} [0-9A-F]{8} \*/\s+|\.L80[0-9A-F]{6}:)'
REG_REGEX = r'(\$(at|v[0-1]|a[0-3]|t[0-9]|s[0-7]|k[0-1]|gp|sp|fp|ra|zero))'
REG_REGEX = r'(\$(at|v[0-1]|a[0-3]|t[0-9]|s[0-7]|f[0-9]{1,2}|k[0-1]|gp|sp|fp|ra|zero))'
GLABEL_UPPER_REGEX = '(' + LINE_START_REGEX + r'lui\s+' + REG_REGEX + r',\s+(0x80[0-9a-f]{2}))'
GLABEL_LOWER_REGEX = '(' + LINE_START_REGEX + r'[sl][bhw]u?\s+' + REG_REGEX + r',\s+(-?0x[0-9a-f]{4})\(\4\))'
GLABEL_LOWER_REGEX = '(' + LINE_START_REGEX + r'[sl][bhw](u|c1)?\s+' + REG_REGEX + r',\s+(-?0x[0-9a-f]{4})\(\4\))'
GLABEL_REGEX = GLABEL_UPPER_REGEX + '(' + LINE_START_REGEX + '[^\n]*){0,10}' + GLABEL_LOWER_REGEX
UPPER_INSTR_REGEX_TMPL = r'(/\* %s[^\n]*lui\s+)([^\n]*)'
LOWER_INSTR_REGEX_TMPL = r'(/\* %s[^\n]*[ls][bhw]u?\s+' + REG_REGEX + r',\s+)-?0x[0-9a-f]{4}([^\n]*)'
LOWER_INSTR_REGEX_TMPL = r'(/\* %s[^\n]*[ls][bhw](u|c1)?\s+' + REG_REGEX + r',\s+)-?0x[0-9a-f]{4}([^\n]*)'
IGNORE_GLABELS = ['D_800E389E', 'D_801264A1', 'D_800E1B84']
@@ -22,7 +22,7 @@ def _find_glabels(asm):
reg = match[3]
offsets = (match[2], match[11]) # ROM offsets of the lui and [sl][bhw]
glabel_upper = int(match[5], 16) # upper immediate of glabel
glabel_lower = int(match[14], 16) # lower immediate of the glabel
glabel_lower = int(match[15], 16) # lower immediate of the glabel
if glabel_lower < 0:
glabel_lower = (-glabel_lower ^ 0xFFFF) + 1
if glabel_lower & 0x8000:
@@ -36,7 +36,7 @@ def _find_glabels(asm):
contents)
# replace lower instruction
contents = re.sub(LOWER_INSTR_REGEX_TMPL % offsets[1],
r'\1' + '%%lo(%s)' % (glabel) + r'\4',
r'\1' + '%%lo(%s)' % (glabel) + r'\5',
contents)
if len(matches):
FileUtil.write_text_to_file(file, contents)