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| author | Richard Braun <rbraun@sceen.net> | 2018-08-04 09:52:26 +0200 |
|---|---|---|
| committer | Richard Braun <rbraun@sceen.net> | 2018-08-04 09:52:26 +0200 |
| commit | ee60e7d2a87fa92bb2dbc259bfbf87e9c49193f2 (patch) | |
| tree | 91f36d86166516971b071ae54c9d737637d19ada /arch/x86/machine/cpu.h | |
| parent | 9cd5b2f3d0e64ba2d7b8919368d2587732c80d84 (diff) | |
x86/cpu: improve low level code clarity
Replace magic numbers with macros isolating the computation of offsets
in exception frames. The latter are reworked as arrays of words.
Diffstat (limited to 'arch/x86/machine/cpu.h')
| -rw-r--r-- | arch/x86/machine/cpu.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/x86/machine/cpu.h b/arch/x86/machine/cpu.h index 033c17dc..01d1d39f 100644 --- a/arch/x86/machine/cpu.h +++ b/arch/x86/machine/cpu.h @@ -85,9 +85,14 @@ #define CPU_L1_SIZE 64 /* + * CPU word size, 4 or 8 bytes. + */ +#define CPU_WORD_SIZE (LONG_BIT / 8) + +/* * Data alignment, normally the word size. */ -#define CPU_DATA_ALIGN (LONG_BIT / 8) +#define CPU_DATA_ALIGN CPU_WORD_SIZE /* * Function alignment. |