mbox series

[kvm-unit-tests,0/2] fix long division routines for ARM eabi

Message ID 20210511174106.703235-1-pbonzini@redhat.com (mailing list archive)
Headers show
Series fix long division routines for ARM eabi | expand

Message

Paolo Bonzini May 11, 2021, 5:41 p.m. UTC 
As reported by Alexandru, ARM follows a different convention than
x86 so it needs __aeabi_ldivmod and __aeabi_uldivmod.  Because
it does not use __divdi3 and __moddi3, it also needs __divmoddi4
to build the eabi function upon.

Paolo

Paolo Bonzini (2):
  libcflat: clean up and complete long division routines
  arm: add eabi version of 64-bit division functions

 arm/Makefile.arm  |  1 +
 lib/arm/ldivmod.S | 32 ++++++++++++++++++++++++++++++++
 lib/ldiv32.c      | 28 +++++++++++++++++++++++++---
 3 files changed, 58 insertions(+), 3 deletions(-)
 create mode 100644 lib/arm/ldivmod.S