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100 lines
3.4 KiB
Diff
100 lines
3.4 KiB
Diff
From e2faabacff9eccb80a75d7e00d810cdc26b5e866 Mon Sep 17 00:00:00 2001
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From: Eric Snowberg <eric.snowberg@oracle.com>
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Date: Thu, 8 Mar 2018 20:42:22 -0800
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Subject: [PATCH] ieee1275: split up grub_machine_get_bootlocation
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Split up some of the functionality in grub_machine_get_bootlocation into
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grub_ieee1275_get_boot_dev. This will allow for code reuse in a follow on
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patch.
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Signed-off-by: Eric Snowberg <eric.snowberg@oracle.com>
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Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
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---
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grub-core/kern/ieee1275/init.c | 20 ++------------------
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grub-core/kern/ieee1275/openfw.c | 27 +++++++++++++++++++++++++++
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include/grub/ieee1275/ieee1275.h | 2 ++
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3 files changed, 31 insertions(+), 18 deletions(-)
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diff --git a/grub-core/kern/ieee1275/init.c b/grub-core/kern/ieee1275/init.c
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index 12590225eca..62dfb8a3bad 100644
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--- a/grub-core/kern/ieee1275/init.c
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+++ b/grub-core/kern/ieee1275/init.c
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@@ -94,28 +94,12 @@ void
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grub_machine_get_bootlocation (char **device, char **path)
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{
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char *bootpath;
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- grub_ssize_t bootpath_size;
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char *filename;
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char *type;
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- if (grub_ieee1275_get_property_length (grub_ieee1275_chosen, "bootpath",
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- &bootpath_size)
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- || bootpath_size <= 0)
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- {
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- /* Should never happen. */
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- grub_printf ("/chosen/bootpath property missing!\n");
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- return;
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- }
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-
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- bootpath = (char *) grub_malloc ((grub_size_t) bootpath_size + 64);
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+ bootpath = grub_ieee1275_get_boot_dev ();
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if (! bootpath)
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- {
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- grub_print_error ();
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- return;
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- }
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- grub_ieee1275_get_property (grub_ieee1275_chosen, "bootpath", bootpath,
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- (grub_size_t) bootpath_size + 1, 0);
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- bootpath[bootpath_size] = '\0';
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+ return;
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/* Transform an OF device path to a GRUB path. */
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diff --git a/grub-core/kern/ieee1275/openfw.c b/grub-core/kern/ieee1275/openfw.c
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index ddb778340e4..62929d983bf 100644
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--- a/grub-core/kern/ieee1275/openfw.c
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+++ b/grub-core/kern/ieee1275/openfw.c
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@@ -561,3 +561,30 @@ grub_ieee1275_canonicalise_devname (const char *path)
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return NULL;
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}
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+char *
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+grub_ieee1275_get_boot_dev (void)
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+{
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+ char *bootpath;
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+ grub_ssize_t bootpath_size;
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+
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+ if (grub_ieee1275_get_property_length (grub_ieee1275_chosen, "bootpath",
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+ &bootpath_size)
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+ || bootpath_size <= 0)
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+ {
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+ /* Should never happen. */
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+ grub_printf ("/chosen/bootpath property missing!\n");
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+ return NULL;
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+ }
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+
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+ bootpath = (char *) grub_malloc ((grub_size_t) bootpath_size + 64);
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+ if (! bootpath)
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+ {
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+ grub_print_error ();
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+ return NULL;
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+ }
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+ grub_ieee1275_get_property (grub_ieee1275_chosen, "bootpath", bootpath,
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+ (grub_size_t) bootpath_size + 1, 0);
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+ bootpath[bootpath_size] = '\0';
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+
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+ return bootpath;
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+}
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diff --git a/include/grub/ieee1275/ieee1275.h b/include/grub/ieee1275/ieee1275.h
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index d0dc2746ead..8868f3a756f 100644
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--- a/include/grub/ieee1275/ieee1275.h
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+++ b/include/grub/ieee1275/ieee1275.h
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@@ -253,6 +253,8 @@ void EXPORT_FUNC(grub_ieee1275_children_peer) (struct grub_ieee1275_devalias *al
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void EXPORT_FUNC(grub_ieee1275_children_first) (const char *devpath,
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struct grub_ieee1275_devalias *alias);
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+char *EXPORT_FUNC(grub_ieee1275_get_boot_dev) (void);
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+
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#define FOR_IEEE1275_DEVALIASES(alias) for (grub_ieee1275_devalias_init_iterator (&(alias)); grub_ieee1275_devalias_next (&(alias));)
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#define FOR_IEEE1275_DEVCHILDREN(devpath, alias) for (grub_ieee1275_children_first ((devpath), &(alias)); \
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