LoongArch fixes for v5.19-rc3

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2022-06-17 13:50:24 -05:00 · 2022-06-17 13:50:24 -05:00 · cc2fb31d49
parent f10516322d 03dfb4a3ab
commit cc2fb31d49
5 changed files with 39 additions and 27 deletions
--- a/Documentation/loongarch/introduction.rst
+++ b/Documentation/loongarch/introduction.rst
@ -45,10 +45,12 @@ Name              Alias           Usage               Preserved
 ``$r23``-``$r31`` ``$s0``-``$s8`` Static registers    Yes
 ================= =============== =================== ============

-Note: The register ``$r21`` is reserved in the ELF psABI, but used by the Linux
-kernel for storing the percpu base address. It normally has no ABI name, but is
-called ``$u0`` in the kernel. You may also see ``$v0`` or ``$v1`` in some old code,
-however they are deprecated aliases of ``$a0`` and ``$a1`` respectively.
+.. Note::
+    The register ``$r21`` is reserved in the ELF psABI, but used by the Linux
+    kernel for storing the percpu base address. It normally has no ABI name,
+    but is called ``$u0`` in the kernel. You may also see ``$v0`` or ``$v1``
+    in some old code,however they are deprecated aliases of ``$a0`` and ``$a1``
+    respectively.

 FPRs
 ----
@ -69,8 +71,9 @@ Name              Alias              Usage               Preserved
 ``$f24``-``$f31`` ``$fs0``-``$fs7``  Static registers    Yes
 ================= ================== =================== ============

-Note: You may see ``$fv0`` or ``$fv1`` in some old code, however they are deprecated
-aliases of ``$fa0`` and ``$fa1`` respectively.
+.. Note::
+    You may see ``$fv0`` or ``$fv1`` in some old code, however they are
+    deprecated aliases of ``$fa0`` and ``$fa1`` respectively.

 VRs
 ----
--- a/Documentation/loongarch/irq-chip-model.rst
+++ b/Documentation/loongarch/irq-chip-model.rst
@ -145,12 +145,16 @@ Documentation of Loongson's LS7A chipset:

  https://github.com/loongson/LoongArch-Documentation/releases/latest/download/Loongson-7A1000-usermanual-2.00-EN.pdf (in English)

-Note: CPUINTC is CSR.ECFG/CSR.ESTAT and its interrupt controller described
-in Section 7.4 of "LoongArch Reference Manual, Vol 1"; LIOINTC is "Legacy I/O
-Interrupts" described in Section 11.1 of "Loongson 3A5000 Processor Reference
-Manual"; EIOINTC is "Extended I/O Interrupts" described in Section 11.2 of
-"Loongson 3A5000 Processor Reference Manual"; HTVECINTC is "HyperTransport
-Interrupts" described in Section 14.3 of "Loongson 3A5000 Processor Reference
-Manual"; PCH-PIC/PCH-MSI is "Interrupt Controller" described in Section 5 of
-"Loongson 7A1000 Bridge User Manual"; PCH-LPC is "LPC Interrupts" described in
-Section 24.3 of "Loongson 7A1000 Bridge User Manual".
+.. Note::
+    - CPUINTC is CSR.ECFG/CSR.ESTAT and its interrupt controller described
+      in Section 7.4 of "LoongArch Reference Manual, Vol 1";
+    - LIOINTC is "Legacy I/OInterrupts" described in Section 11.1 of
+      "Loongson 3A5000 Processor Reference Manual";
+    - EIOINTC is "Extended I/O Interrupts" described in Section 11.2 of
+      "Loongson 3A5000 Processor Reference Manual";
+    - HTVECINTC is "HyperTransport Interrupts" described in Section 14.3 of
+      "Loongson 3A5000 Processor Reference Manual";
+    - PCH-PIC/PCH-MSI is "Interrupt Controller" described in Section 5 of
+      "Loongson 7A1000 Bridge User Manual";
+    - PCH-LPC is "LPC Interrupts" described in Section 24.3 of
+      "Loongson 7A1000 Bridge User Manual".
--- a/Documentation/translations/zh_CN/loongarch/introduction.rst
+++ b/Documentation/translations/zh_CN/loongarch/introduction.rst
@ -46,10 +46,11 @@ LA64中每个寄存器为64位宽。 ``$r0`` 的内容总是固定为0，而其
 ``$r23``-``$r31`` ``$s0``-``$s8`` 静态寄存器          是
 ================= =============== =================== ==========

-注意：``$r21``寄存器在ELF psABI中保留未使用，但是在Linux内核用于保存每CPU
-变量基地址。该寄存器没有ABI命名，不过在内核中称为``$u0``。在一些遗留代码
-中有时可能见到``$v0``和``$v1``，它们是``$a0``和``$a1``的别名，属于已经废弃
-的用法。
+.. note::
+    注意： ``$r21`` 寄存器在ELF psABI中保留未使用，但是在Linux内核用于保
+    存每CPU变量基地址。该寄存器没有ABI命名，不过在内核中称为 ``$u0`` 。在
+    一些遗留代码中有时可能见到 ``$v0`` 和 ``$v1`` ，它们是 ``$a0`` 和
+    ``$a1`` 的别名，属于已经废弃的用法。

 浮点寄存器
 ----------
@ -68,8 +69,9 @@ LA64中每个寄存器为64位宽。 ``$r0`` 的内容总是固定为0，而其
 ``$f24``-``$f31`` ``$fs0``-``$fs7``  静态寄存器          是
 ================= ================== =================== ==========

-注意：在一些遗留代码中有时可能见到 ``$v0`` 和 ``$v1`` ，它们是 ``$a0``
-和 ``$a1`` 的别名，属于已经废弃的用法。
+.. note::
+    注意：在一些遗留代码中有时可能见到 ``$v0`` 和 ``$v1`` ，它们是
+    ``$a0`` 和 ``$a1`` 的别名，属于已经废弃的用法。


 向量寄存器
--- a/Documentation/translations/zh_CN/loongarch/irq-chip-model.rst
+++ b/Documentation/translations/zh_CN/loongarch/irq-chip-model.rst
@ -147,9 +147,11 @@ PCH-LPC::

  https://github.com/loongson/LoongArch-Documentation/releases/latest/download/Loongson-7A1000-usermanual-2.00-EN.pdf (英文版)

-注：CPUINTC即《龙芯架构参考手册卷一》第7.4节所描述的CSR.ECFG/CSR.ESTAT寄存器及其中断
-控制逻辑；LIOINTC即《龙芯3A5000处理器使用手册》第11.1节所描述的“传统I/O中断”；EIOINTC
-即《龙芯3A5000处理器使用手册》第11.2节所描述的“扩展I/O中断”；HTVECINTC即《龙芯3A5000
-处理器使用手册》第14.3节所描述的“HyperTransport中断”；PCH-PIC/PCH-MSI即《龙芯7A1000桥
-片用户手册》第5章所描述的“中断控制器”；PCH-LPC即《龙芯7A1000桥片用户手册》第24.3节所
-描述的“LPC中断”。
+.. note::
+    - CPUINTC：即《龙芯架构参考手册卷一》第7.4节所描述的CSR.ECFG/CSR.ESTAT寄存器及其
+      中断控制逻辑；
+    - LIOINTC：即《龙芯3A5000处理器使用手册》第11.1节所描述的“传统I/O中断”；
+    - EIOINTC：即《龙芯3A5000处理器使用手册》第11.2节所描述的“扩展I/O中断”；
+    - HTVECINTC：即《龙芯3A5000处理器使用手册》第14.3节所描述的“HyperTransport中断”；
+    - PCH-PIC/PCH-MSI：即《龙芯7A1000桥片用户手册》第5章所描述的“中断控制器”；
+    - PCH-LPC：即《龙芯7A1000桥片用户手册》第24.3节所描述的“LPC中断”。
--- a/arch/loongarch/kernel/vmlinux.lds.S
+++ b/arch/loongarch/kernel/vmlinux.lds.S
@ -101,6 +101,7 @@ SECTIONS

 	STABS_DEBUG
 	DWARF_DEBUG
+	ELF_DETAILS

 	.gptab.sdata : {
 		*(.gptab.data)