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| author | Kevin O'Connor <kevin@koconnor.net> | 2008-05-12 23:50:16 -0400 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2008-05-12 23:50:16 -0400 |
| commit | 5c4a8c6554a0a7b0e657c89a485811ca393f44be (patch) | |
| tree | bcecd995fdc5de1b1dc34b717c72e12d461a9a57 /TODO | |
| parent | a2d16927632744804cf0e02568326fd0e6f90ba5 (diff) | |
| download | seabios-hppa-5c4a8c6554a0a7b0e657c89a485811ca393f44be.zip seabios-hppa-5c4a8c6554a0a7b0e657c89a485811ca393f44be.tar.gz seabios-hppa-5c4a8c6554a0a7b0e657c89a485811ca393f44be.tar.bz2 | |
Add tool to check stack usage of 16bit code.
This tool analyzes the assembler and can approximate the stack usage
of the various entry points.
Diffstat (limited to 'TODO')
| -rw-r--r-- | TODO | 9 |
1 files changed, 3 insertions, 6 deletions
@@ -3,10 +3,9 @@ Split rombios32.c up into multiple files. Review changes committed to coreboot, virtualbox, qemu, kvm, and bochs cvs tip. -Alter ISRs so that they do not enable irqs. Only call out to other -bios functions after minimizing stack usage. - -Try to write a script to analyze stack usage of 16bit code. +Look into ways to reduce stack usage. Alter ISRs so that they do not +enable irqs. Only call out to other bios functions after minimizing +stack usage. Audit all sti/cli calls. Audit all call16 calls to make sure flags is setup properly with respect to irqs. @@ -14,8 +13,6 @@ setup properly with respect to irqs. Audit statements where a 32bit intermediary changes meaning of a 16bit comparison. -Look into ways to reduce stack usage. - Code assumes ebda segment is static - it doesn't read 0x40e. The __call16 code does a long jump to the interrupt trampolines - this |