LoongArch fixes for v5.19-rc3

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Merge tag 'loongarch-fixes-5.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson

Pull LoongArch fixes from Huacai Chen:
 "Add missing ELF_DETAILS in vmlinux.lds.S and fix document rendering"

* tag 'loongarch-fixes-5.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
  docs/zh_CN/LoongArch: Fix notes rendering by using reST directives
  docs/LoongArch: Fix notes rendering by using reST directives
  LoongArch: vmlinux.lds.S: Add missing ELF_DETAILS
This commit is contained in:
Linus Torvalds 2022-06-17 13:50:24 -05:00
commit cc2fb31d49
5 changed files with 39 additions and 27 deletions

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@ -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
----

View file

@ -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".

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@ -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````$v1``,它们是``$a0````$a1``的别名,属于已经废弃
的用法。
.. note::
注意: ``$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````$v1`` ,它们是 ``$a0``
``$a1`` 的别名,属于已经废弃的用法。
浮点寄存器
----------
@ -68,8 +69,9 @@ LA64中每个寄存器为64位宽。 ``$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 ``$v0````$v1`` ,它们是 ``$a0``
``$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 ``$v0````$v1`` ,它们是
``$a0````$a1`` 的别名,属于已经废弃的用法。
向量寄存器

View file

@ -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)
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”。

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@ -101,6 +101,7 @@ SECTIONS
STABS_DEBUG
DWARF_DEBUG
ELF_DETAILS
.gptab.sdata : {
*(.gptab.data)