On Thu, Sep 19, 2024 at 11:03 PM Sergii Dmytruk
<sergii.dmyt...@3mdeb.com> wrote:
>
> From: Krystian Hebel <krystian.he...@3mdeb.com>
>
> Subsequent patches will use those macros and constant.
>
Minor, but "Define GRUB_PAGE_MASK constant and GRUB_PAGE_{UP, DOWN}
macros" subject sounds a bit confusing to me. I mean, at the end they
are all defined as macros so why mixing constant and macros?
> Signed-off-by: Krystian Hebel <krystian.he...@3mdeb.com>
> Signed-off-by: Sergii Dmytruk <sergii.dmyt...@3mdeb.com>
> ---
> include/grub/i386/memory.h | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/include/grub/i386/memory.h b/include/grub/i386/memory.h
> index c64529630..56f64855b 100644
> --- a/include/grub/i386/memory.h
> +++ b/include/grub/i386/memory.h
> @@ -22,6 +22,7 @@
>
> #define GRUB_PAGE_SHIFT 12
> #define GRUB_PAGE_SIZE (1UL << GRUB_PAGE_SHIFT)
> +#define GRUB_PAGE_MASK (~(GRUB_PAGE_SIZE - 1))
>
Why not use signed numbers so it could extend as needed?
> /* The flag for protected mode. */
> #define GRUB_MEMORY_CPU_CR0_PE_ON 0x1
> @@ -43,8 +44,12 @@
>
> #define GRUB_MMAP_MALLOC_LOW 1
>
> +#include <grub/misc.h>
> #include <grub/types.h>
>
> +#define GRUB_PAGE_UP(p) ALIGN_UP (p, GRUB_PAGE_SIZE)
> +#define GRUB_PAGE_DOWN(p) ALIGN_DOWN (p, GRUB_PAGE_SIZE)
> +
> struct grub_e820_mmap_entry
> {
> grub_uint64_t addr;
Frediano
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