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i386/memory: Rename PAGE_SHIFT to GRUB_PAGE_SHIFT

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This fixes naming inconsistency that goes against coding style as well
as helps to avoid potential conflicts and confusion as this constant is
used in multiple places.

Signed-off-by: Daniel Kiper <daniel.kiper@oracle.com>
Signed-off-by: Sergii Dmytruk <sergii.dmytruk@3mdeb.com>
Reviewed-by: Ross Philipson <ross.philipson@oracle.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
This commit is contained in:
Daniel Kiper committed 2024-10-10 13:10:10 +02:00
1 parent 1b1061409d
commit 95a7bfef5d
4 files changed
+20 -20
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grub-core/loader/i386/xen.c
+14 -14
View File
@@ -92,7 +92,7 @@ static struct xen_loader_state xen_state;
static grub_dl_t my_mod;
#define PAGE_SIZE (1UL << PAGE_SHIFT)
#define PAGE_SIZE (1UL << GRUB_PAGE_SHIFT)
#define MAX_MODULES (PAGE_SIZE / sizeof (struct xen_multiboot_mod_list))
#define STACK_SIZE 1048576
#define ADDITIONAL_SIZE (1 << 19)
@@ -103,7 +103,7 @@ static grub_dl_t my_mod;
static grub_uint64_t
page2offset (grub_uint64_t page)
{
return page << PAGE_SHIFT;
return page << GRUB_PAGE_SHIFT;
}
static grub_err_t
@@ -142,7 +142,7 @@ get_pgtable_size (grub_uint64_t from, grub_uint64_t to, grub_uint64_t pfn)
continue;
}
bits = PAGE_SHIFT + (i + 1) * LOG_POINTERS_PER_PAGE;
bits = GRUB_PAGE_SHIFT + (i + 1) * LOG_POINTERS_PER_PAGE;
mask = (1ULL << bits) - 1;
map->lvls[i].virt_start = map->area.virt_start & ~mask;
map->lvls[i].virt_end = map->area.virt_end | mask;
@@ -247,11 +247,11 @@ generate_page_table (grub_xen_mfn_t *mfn_list)
if (lvl->virt_start >= end || lvl->virt_end <= start)
continue;
p_s = (grub_max (start, lvl->virt_start) - start) >>
(PAGE_SHIFT + l * LOG_POINTERS_PER_PAGE);
(GRUB_PAGE_SHIFT + l * LOG_POINTERS_PER_PAGE);
p_e = (grub_min (end, lvl->virt_end) - start) >>
(PAGE_SHIFT + l * LOG_POINTERS_PER_PAGE);
(GRUB_PAGE_SHIFT + l * LOG_POINTERS_PER_PAGE);
pfn = ((grub_max (start, lvl->virt_start) - lvl->virt_start) >>
(PAGE_SHIFT + l * LOG_POINTERS_PER_PAGE)) + lvl->pfn_start;
(GRUB_PAGE_SHIFT + l * LOG_POINTERS_PER_PAGE)) + lvl->pfn_start;
grub_dprintf ("xen", "write page table entries level %d pg %p "
"mapping %d/%d index %lx-%lx pfn %llx\n",
l, pg, m1, m2, p_s, p_e, (unsigned long long) pfn);
@@ -329,16 +329,16 @@ grub_xen_p2m_alloc (void)
{
err = get_pgtable_size (xen_state.xen_inf.p2m_base,
xen_state.xen_inf.p2m_base + p2msize,
(xen_state.max_addr + p2msize) >> PAGE_SHIFT);
(xen_state.max_addr + p2msize) >> GRUB_PAGE_SHIFT);
if (err)
return err;
map->area.pfn_start = xen_state.max_addr >> PAGE_SHIFT;
map->area.pfn_start = xen_state.max_addr >> GRUB_PAGE_SHIFT;
p2malloc = p2msize + page2offset (map->area.n_pt_pages);
xen_state.n_mappings++;
xen_state.next_start.mfn_list = xen_state.xen_inf.p2m_base;
xen_state.next_start.first_p2m_pfn = map->area.pfn_start;
xen_state.next_start.nr_p2m_frames = p2malloc >> PAGE_SHIFT;
xen_state.next_start.nr_p2m_frames = p2malloc >> GRUB_PAGE_SHIFT;
}
else
{
@@ -381,7 +381,7 @@ grub_xen_special_alloc (void)
xen_state.virt_start_info = get_virtual_current_address (ch);
xen_state.max_addr =
ALIGN_UP (xen_state.max_addr + sizeof (xen_state.next_start), PAGE_SIZE);
xen_state.console_pfn = xen_state.max_addr >> PAGE_SHIFT;
xen_state.console_pfn = xen_state.max_addr >> GRUB_PAGE_SHIFT;
xen_state.max_addr += 2 * PAGE_SIZE;
xen_state.next_start.nr_pages = grub_xen_start_page_addr->nr_pages;
@@ -413,7 +413,7 @@ grub_xen_pt_alloc (void)
xen_state.next_start.pt_base =
xen_state.max_addr + xen_state.xen_inf.virt_base;
nr_info_pages = xen_state.max_addr >> PAGE_SHIFT;
nr_info_pages = xen_state.max_addr >> GRUB_PAGE_SHIFT;
nr_need_pages = nr_info_pages;
while (1)
@@ -461,7 +461,7 @@ grub_xen_pt_alloc (void)
xen_state.max_addr + STACK_SIZE + xen_state.xen_inf.virt_base;
xen_state.next_start.nr_pt_frames = nr_need_pages;
xen_state.max_addr = try_virt_end - xen_state.xen_inf.virt_base;
xen_state.pgtbl_end = xen_state.max_addr >> PAGE_SHIFT;
xen_state.pgtbl_end = xen_state.max_addr >> GRUB_PAGE_SHIFT;
xen_state.map_reloc->where = (grub_uint64_t *) ((char *) map->where +
page2offset (map->area.n_pt_pages));
@@ -515,7 +515,7 @@ grub_xen_boot (void)
if (err)
return err;
nr_pages = xen_state.max_addr >> PAGE_SHIFT;
nr_pages = xen_state.max_addr >> GRUB_PAGE_SHIFT;
grub_dprintf ("xen", "bootstrap domain %llx+%llx\n",
(unsigned long long) xen_state.xen_inf.virt_base,
@@ -818,7 +818,7 @@ grub_cmd_initrd (grub_command_t cmd __attribute__ ((unused)),
if (xen_state.xen_inf.unmapped_initrd)
{
xen_state.next_start.flags |= SIF_MOD_START_PFN;
xen_state.next_start.mod_start = xen_state.max_addr >> PAGE_SHIFT;
xen_state.next_start.mod_start = xen_state.max_addr >> GRUB_PAGE_SHIFT;
}
else
xen_state.next_start.mod_start =