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author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2019-11-25 20:03:27 +0200 |
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committer | Patrick Georgi <pgeorgi@google.com> | 2019-12-02 12:08:40 +0000 |
commit | 1804b158969ab849ea7c6e47b1bb6b297c1f8e45 (patch) | |
tree | acb7e53947eb9d578939a604158605212a1e8afa /src/mainboard/google/poppy | |
parent | ab62d940fe15a04bda3d8c17ed2f1b5585616d64 (diff) | |
download | coreboot-1804b158969ab849ea7c6e47b1bb6b297c1f8e45.tar.xz |
soc/amd/common: Inline ACPI MMIO accessors
The overhead of pushing variables to stack exceeded the number
of instructions the actual MMIO operation took and the build of
google/aleena with inlined accessors turned out to be just
slightly (<2 KiB) smaller for the entire romstage or ramstage.
Simple read-modify-write MMIO cycles should optimise better now.
IO cycles with index/data register are borderline, at
first sight assembly looked better by not inlining them.
Change-Id: If2c37c9886a0151183aa6dd80eb068d6c67b3848
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37211
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Diffstat (limited to 'src/mainboard/google/poppy')
0 files changed, 0 insertions, 0 deletions