| Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 1 | TUNEVALID[thumb] = "Use thumb instructions instead of ARM" |
| 2 | ARM_THUMB_OPT = "${@['arm', 'thumb'][d.getVar('ARM_INSTRUCTION_SET', True) == 'thumb']}" |
| 3 | ARM_THUMB_SUFFIX .= "${@bb.utils.contains('TUNE_FEATURES', 'armv4', 't', '', d)}" |
| 4 | ARM_THUMB_SUFFIX .= "${@bb.utils.contains('TUNE_FEATURES', 'armv5', 't', '', d)}" |
| 5 | ARM_THUMB_SUFFIX .= "${@bb.utils.contains('TUNE_FEATURES', 'armv6', 't', '', d)}" |
| 6 | ARM_THUMB_SUFFIX .= "${@bb.utils.contains('TUNE_FEATURES', 'armv7a', 't2', '', d)}" |
| 7 | ARM_THUMB_SUFFIX .= "${@bb.utils.contains('TUNE_FEATURES', 'armv7r', 't2', '', d)}" |
| 8 | ARM_THUMB_SUFFIX .= "${@bb.utils.contains('TUNE_FEATURES', 'armv7m', 't2', '', d)}" |
| Patrick Williams | d8c66bc | 2016-06-20 12:57:21 -0500 | [diff] [blame] | 9 | ARM_THUMB_SUFFIX .= "${@bb.utils.contains('TUNE_FEATURES', 'armv7ve', 't2', '', d)}" |
| Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 10 | |
| 11 | # If the device supports ARM, then respect ARM_THUMB_OPT (which can be "arm" or "thumb") |
| 12 | # If the defice doesn't support ARM, then always set "thumb" even when |
| 13 | # some recipe explicitly sets ARM_INSTRUCTION_SET to "arm" |
| 14 | ARM_M_OPT = "${@bb.utils.contains('TUNE_FEATURES', 'arm', '${ARM_THUMB_OPT}', 'thumb', d)}" |
| 15 | python () { |
| Patrick Williams | d8c66bc | 2016-06-20 12:57:21 -0500 | [diff] [blame] | 16 | if bb.utils.contains('TUNE_FEATURES', 'thumb', False, True, d): |
| Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 17 | return |
| 18 | selected = d.getVar('ARM_INSTRUCTION_SET', True) |
| 19 | if selected == None: |
| 20 | return |
| 21 | used = d.getVar('ARM_M_OPT', True) |
| 22 | if selected != used: |
| 23 | pn = d.getVar('PN', True) |
| 24 | bb.warn("Recipe '%s' selects ARM_INSTRUCTION_SET to be '%s', but tune configuration overrides it to '%s'" % (pn, selected, used)) |
| 25 | } |
| 26 | |
| 27 | TUNE_CCARGS .= "${@bb.utils.contains('TUNE_FEATURES', 'thumb', ' -m${ARM_M_OPT}', '', d)}" |
| Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 28 | |
| 29 | # Add suffix from ARM_THUMB_SUFFIX only if after all this we still set ARM_M_OPT to thumb |
| 30 | ARMPKGSFX_THUMB .= "${@bb.utils.contains('TUNE_FEATURES', 'thumb', '${ARM_THUMB_SUFFIX}', '', d) if d.getVar('ARM_M_OPT', True) == 'thumb' else ''}" |
| 31 | |
| Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 32 | # what about armv7m devices which don't support -marm (e.g. Cortex-M3)? |
| 33 | TARGET_CC_KERNEL_ARCH += "${@bb.utils.contains('TUNE_FEATURES', 'thumb', '-mno-thumb-interwork -marm', '', d)}" |