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-rw-r--r--target/linux/generic/pending-4.14/332-arc-add-OWRTDTB-section.patch64
-rw-r--r--target/linux/generic/pending-4.19/332-arc-add-OWRTDTB-section.patch38
2 files changed, 55 insertions, 47 deletions
diff --git a/target/linux/generic/pending-4.14/332-arc-add-OWRTDTB-section.patch b/target/linux/generic/pending-4.14/332-arc-add-OWRTDTB-section.patch
index 414dbbc0c1..6aa90c9eaf 100644
--- a/target/linux/generic/pending-4.14/332-arc-add-OWRTDTB-section.patch
+++ b/target/linux/generic/pending-4.14/332-arc-add-OWRTDTB-section.patch
@@ -1,5 +1,7 @@
-From: Alexey Brodkin <abrodkin@synopsys.com>
-Subject: openwrt: arc - add OWRTDTB section
+From 34ef04f3845ed2b47d57dd9d3b795b16e1f8185a Mon Sep 17 00:00:00 2001
+From: Evgeniy Didin <Evgeniy.Didin@synopsys.com>
+Date: Fri, 15 Mar 2019 18:53:38 +0300
+Subject: [PATCH] arc add OWRTDTB section
This change allows OpenWRT to patch resulting kernel binary with
external .dtb.
@@ -10,7 +12,9 @@ given its ARC core configurations match (at least cache line sizes etc).
""patch-dtb" searches for ASCII "OWRTDTB:" strign and copies external
.dtb right after it, keeping the string in place.
+Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
+Signed-off-by: Evgeniy Didin <Evgeniy.Didin@synopsys.com>
---
arch/arc/kernel/head.S | 10 ++++++++++
arch/arc/kernel/setup.c | 4 +++-
@@ -23,14 +27,14 @@ Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
#endif
.endm
-+; Here "patch-dtb" will embed external .dtb
-+; Note "patch-dtb" searches for ASCII "OWRTDTB:" string
-+; and pastes .dtb right after it, hense the string precedes
-+; __image_dtb symbol.
++ ; Here "patch-dtb" will embed external .dtb
++ ; Note "patch-dtb" searches for ASCII "OWRTDTB:" string
++ ; and pastes .dtb right after it, hense the string precedes
++ ; __image_dtb symbol.
+ .section .owrt, "aw",@progbits
-+ .ascii "OWRTDTB:"
++ .ascii "OWRTDTB:"
+ENTRY(__image_dtb)
-+ .fill 0x4000
++ .fill 0x4000
+END(__image_dtb)
+
.section .init.text, "ax",@progbits
@@ -38,7 +42,16 @@ Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
;----------------------------------------------------------------
--- a/arch/arc/kernel/setup.c
+++ b/arch/arc/kernel/setup.c
-@@ -469,7 +469,7 @@ ignore_uboot_args:
+@@ -434,6 +434,8 @@ static inline bool uboot_arg_invalid(uns
+ #define UBOOT_TAG_CMDLINE 1
+ #define UBOOT_TAG_DTB 2
+
++extern struct boot_param_header __image_dtb;
++
+ void __init handle_uboot_args(void)
+ {
+ bool use_embedded_dtb = true;
+@@ -469,7 +471,7 @@ ignore_uboot_args:
#endif
if (use_embedded_dtb) {
@@ -47,34 +60,25 @@ Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
if (!machine_desc)
panic("Embedded DT invalid\n");
}
-@@ -485,6 +485,8 @@ ignore_uboot_args:
- }
- }
-
-+extern struct boot_param_header __image_dtb;
-+
- void __init setup_arch(char **cmdline_p)
- {
- handle_uboot_args();
--- a/arch/arc/kernel/vmlinux.lds.S
+++ b/arch/arc/kernel/vmlinux.lds.S
-@@ -30,6 +30,19 @@ SECTIONS
+@@ -29,6 +29,19 @@ SECTIONS
+ */
. = CONFIG_LINUX_LINK_BASE;
-
+ /*
-+ * In OpenWRT we want to patch built binary embedding .dtb of choice.
-+ * This is implemented with "patch-dtb" utility which searches for
-+ * "OWRTDTB:" string in first 16k of image and if it is found
-+ * copies .dtb right after mentioned string.
-+ *
-+ * Note: "OWRTDTB:" won't be overwritten with .dtb, .dtb will follow it.
-+ */
-+ .owrt : {
++ * In OpenWRT we want to patch built binary embedding .dtb of choice.
++ * This is implemented with "patch-dtb" utility which searches for
++ * "OWRTDTB:" string in first 16k of image and if it is found
++ * copies .dtb right after mentioned string.
++ *
++ * Note: "OWRTDTB:" won't be overwritten with .dtb, .dtb will follow it.
++ */
++ .owrt : {
+ *(.owrt)
-+ . = ALIGN(PAGE_SIZE);
++ . = ALIGN(PAGE_SIZE);
+ }
+
+
_int_vec_base_lds = .;
.vector : {
- *(.vector)
diff --git a/target/linux/generic/pending-4.19/332-arc-add-OWRTDTB-section.patch b/target/linux/generic/pending-4.19/332-arc-add-OWRTDTB-section.patch
index 963547eedd..426a550d58 100644
--- a/target/linux/generic/pending-4.19/332-arc-add-OWRTDTB-section.patch
+++ b/target/linux/generic/pending-4.19/332-arc-add-OWRTDTB-section.patch
@@ -1,5 +1,7 @@
-From: Alexey Brodkin <abrodkin@synopsys.com>
-Subject: openwrt: arc - add OWRTDTB section
+From 34ef04f3845ed2b47d57dd9d3b795b16e1f8185a Mon Sep 17 00:00:00 2001
+From: Evgeniy Didin <Evgeniy.Didin@synopsys.com>
+Date: Fri, 15 Mar 2019 18:53:38 +0300
+Subject: [PATCH] arc add OWRTDTB section
This change allows OpenWRT to patch resulting kernel binary with
external .dtb.
@@ -10,7 +12,9 @@ given its ARC core configurations match (at least cache line sizes etc).
""patch-dtb" searches for ASCII "OWRTDTB:" strign and copies external
.dtb right after it, keeping the string in place.
+Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
+Signed-off-by: Evgeniy Didin <Evgeniy.Didin@synopsys.com>
---
arch/arc/kernel/head.S | 10 ++++++++++
arch/arc/kernel/setup.c | 4 +++-
@@ -23,14 +27,14 @@ Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
1:
.endm
-+; Here "patch-dtb" will embed external .dtb
-+; Note "patch-dtb" searches for ASCII "OWRTDTB:" string
-+; and pastes .dtb right after it, hense the string precedes
-+; __image_dtb symbol.
++ ; Here "patch-dtb" will embed external .dtb
++ ; Note "patch-dtb" searches for ASCII "OWRTDTB:" string
++ ; and pastes .dtb right after it, hense the string precedes
++ ; __image_dtb symbol.
+ .section .owrt, "aw",@progbits
-+ .ascii "OWRTDTB:"
++ .ascii "OWRTDTB:"
+ENTRY(__image_dtb)
-+ .fill 0x4000
++ .fill 0x4000
+END(__image_dtb)
+
.section .init.text, "ax",@progbits
@@ -63,16 +67,16 @@ Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
. = CONFIG_LINUX_LINK_BASE;
+ /*
-+ * In OpenWRT we want to patch built binary embedding .dtb of choice.
-+ * This is implemented with "patch-dtb" utility which searches for
-+ * "OWRTDTB:" string in first 16k of image and if it is found
-+ * copies .dtb right after mentioned string.
-+ *
-+ * Note: "OWRTDTB:" won't be overwritten with .dtb, .dtb will follow it.
-+ */
-+ .owrt : {
++ * In OpenWRT we want to patch built binary embedding .dtb of choice.
++ * This is implemented with "patch-dtb" utility which searches for
++ * "OWRTDTB:" string in first 16k of image and if it is found
++ * copies .dtb right after mentioned string.
++ *
++ * Note: "OWRTDTB:" won't be overwritten with .dtb, .dtb will follow it.
++ */
++ .owrt : {
+ *(.owrt)
-+ . = ALIGN(PAGE_SIZE);
++ . = ALIGN(PAGE_SIZE);
+ }
+
_int_vec_base_lds = .;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 17:13:38 +0000