rtems/rtems-docs
1
0
Fork 0
mirror of https://git.rtems.org/rtems-docs/ synced 2025-07-26 15:02:41 +08:00
Code Issues Packages Projects Releases Wiki Activity

cpu-supplement: Update ARM multilibs

Browse Source 
Update #3747.
This commit is contained in:
Sebastian Huber 2019-05-15 07:17:51 +02:00
parent 9868f93ec4
commit 7f514405fe
1 changed files with 10 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
cpu-supplement/arm.rst
View File

@ -77,11 +77,15 @@ The following multilibs are available:
#. ``thumb/armv7-r/vfpv3-d16/hard``: ARMv7-R, Thumb-2 instruction set with
hard-float ABI VFP-D16 support
#. ``thumb/armv7-m``: ARMv7-M, Thumb-2 instruction set with hardware
integer division (SDIV/UDIV)
#. ``thumb/cortex-m3``: Cortex-M3, Thumb-2 instruction set with hardware
integer division (SDIV/UDIV) and a fix for Cortex-M3 Errata 602117.
#. ``thumb/armv7-m/fpv4-sp-d16``: ARMv7-M, Thumb-2 instruction set with
hardware integer division (SDIV/UDIV) and hard-float ABI FPv4-SP support
#. ``thumb/cortex-m4``: Cortex-M4, Thumb-2 instruction set with hardware
integer division (SDIV/UDIV) and DSP instructions
#. ``thumb/cortex-m4/fpv4-sp-d16``: Cortex-M4, Thumb-2 instruction set with
hardware integer division (SDIV/UDIV), DSP instructions and hard-float ABI
FPv4-SP support
#. ``thumb/cortex-m7/fpv5-d16``: Cortex-M7, Thumb-2 instruction set with
hard-float ABI and FPv5-D16 support
@ -91,21 +95,13 @@ The following multilibs are available:
#. ``eb/thumb/armv7-r/vfpv3-d16/hard``: ARMv7-R, Big-endian Thumb-2 instruction
set with hard-float ABI VFP-D16 support
Multilib 1., 2. and 3. support the standard ARM7TDMI and ARM926EJ-S processors.
Multilib 1., 2. and 3. support the legacy ARM7TDMI and ARM926EJ-S processors.
Multilib 4. supports the Cortex-M0 and Cortex-M1 cores.
Multilib 9. supports the Cortex-M3 and Cortex-M4 cores, which have a special
hardware integer division instruction (this is not present in the A and R
profiles).
Multilib 10. supports the Cortex-M4 cores with a floating point unit.
Multilib 11. supports the Cortex-M7 cores with a floating point unit.
Multilib 5. and 6. support the Cortex-A processors.
Multilib 7., 8., 12. and 13. support the Cortex-R processors. Here also
Multilib 7., 8., 13. and 14. support the Cortex-R processors. Here also
big-endian variants are available.
Use for example the following GCC options: