From 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:46:07 +0000
Subject: [PATCH] add audio
---
kernel/arch/xtensa/kernel/vmlinux.lds.S | 190 ++++++++++++++++++++++++++++-------------------
1 files changed, 113 insertions(+), 77 deletions(-)
diff --git a/kernel/arch/xtensa/kernel/vmlinux.lds.S b/kernel/arch/xtensa/kernel/vmlinux.lds.S
index fa92699..d23a6e3 100644
--- a/kernel/arch/xtensa/kernel/vmlinux.lds.S
+++ b/kernel/arch/xtensa/kernel/vmlinux.lds.S
@@ -14,12 +14,14 @@
* Joe Taylor <joe@tensilica.com, joetylr@yahoo.com>
*/
+#define RO_EXCEPTION_TABLE_ALIGN 16
+
#include <asm-generic/vmlinux.lds.h>
#include <asm/page.h>
#include <asm/thread_info.h>
+#include <asm/core.h>
#include <asm/vectors.h>
-#include <variant/core.h>
OUTPUT_ARCH(xtensa)
ENTRY(_start)
@@ -45,15 +47,20 @@
LONG(sym ## _end); \
LONG(LOADADDR(section))
+#if !defined(CONFIG_VECTORS_ADDR) && XCHAL_HAVE_VECBASE
+#define MERGED_VECTORS 1
+#else
+#define MERGED_VECTORS 0
+#endif
+
/*
- * Macro to define a section for a vector. When CONFIG_VECTORS_OFFSET is
- * defined code for every vector is located with other init data. At startup
+ * Macro to define a section for a vector. When MERGED_VECTORS is 0
+ * code for every vector is located with other init data. At startup
* time head.S copies code for every vector to its final position according
* to description recorded in the corresponding RELOCATE_ENTRY.
*/
-#ifdef CONFIG_VECTORS_OFFSET
-#define SECTION_VECTOR(sym, section, addr, prevsec) \
+#define SECTION_VECTOR4(sym, section, addr, prevsec) \
section addr : AT(((LOADADDR(prevsec) + SIZEOF(prevsec)) + 3) & ~ 3) \
{ \
. = ALIGN(4); \
@@ -61,11 +68,10 @@
*(section) \
sym ## _end = ABSOLUTE(.); \
}
-#else
-#define SECTION_VECTOR(section, addr) \
+
+#define SECTION_VECTOR2(section, addr) \
. = addr; \
*(section)
-#endif
/*
* Mapping of input sections to output sections when linking.
@@ -84,30 +90,32 @@
/* The HEAD_TEXT section must be the first section! */
HEAD_TEXT
-#ifndef CONFIG_VECTORS_OFFSET
- . = ALIGN(PAGE_SIZE);
- _vecbase = .;
+#if MERGED_VECTORS
+ . = ALIGN(PAGE_SIZE);
+ _vecbase = .;
- SECTION_VECTOR (.WindowVectors.text, WINDOW_VECTORS_VADDR)
+ SECTION_VECTOR2 (.WindowVectors.text, WINDOW_VECTORS_VADDR)
#if XCHAL_EXCM_LEVEL >= 2
- SECTION_VECTOR (.Level2InterruptVector.text, INTLEVEL2_VECTOR_VADDR)
+ SECTION_VECTOR2 (.Level2InterruptVector.text, INTLEVEL2_VECTOR_VADDR)
#endif
#if XCHAL_EXCM_LEVEL >= 3
- SECTION_VECTOR (.Level3InterruptVector.text, INTLEVEL3_VECTOR_VADDR)
+ SECTION_VECTOR2 (.Level3InterruptVector.text, INTLEVEL3_VECTOR_VADDR)
#endif
#if XCHAL_EXCM_LEVEL >= 4
- SECTION_VECTOR (.Level4InterruptVector.text, INTLEVEL4_VECTOR_VADDR)
+ SECTION_VECTOR2 (.Level4InterruptVector.text, INTLEVEL4_VECTOR_VADDR)
#endif
#if XCHAL_EXCM_LEVEL >= 5
- SECTION_VECTOR (.Level5InterruptVector.text, INTLEVEL5_VECTOR_VADDR)
+ SECTION_VECTOR2 (.Level5InterruptVector.text, INTLEVEL5_VECTOR_VADDR)
#endif
#if XCHAL_EXCM_LEVEL >= 6
- SECTION_VECTOR (.Level6InterruptVector.text, INTLEVEL6_VECTOR_VADDR)
+ SECTION_VECTOR2 (.Level6InterruptVector.text, INTLEVEL6_VECTOR_VADDR)
#endif
- SECTION_VECTOR (.DebugInterruptVector.text, DEBUG_VECTOR_VADDR)
- SECTION_VECTOR (.KernelExceptionVector.text, KERNEL_VECTOR_VADDR)
- SECTION_VECTOR (.UserExceptionVector.text, USER_VECTOR_VADDR)
- SECTION_VECTOR (.DoubleExceptionVector.text, DOUBLEEXC_VECTOR_VADDR)
+ SECTION_VECTOR2 (.DebugInterruptVector.text, DEBUG_VECTOR_VADDR)
+ SECTION_VECTOR2 (.KernelExceptionVector.text, KERNEL_VECTOR_VADDR)
+ SECTION_VECTOR2 (.UserExceptionVector.text, USER_VECTOR_VADDR)
+ SECTION_VECTOR2 (.DoubleExceptionVector.text, DOUBLEEXC_VECTOR_VADDR)
+
+ *(.exception.text)
#endif
IRQENTRY_TEXT
@@ -117,25 +125,22 @@
SCHED_TEXT
CPUIDLE_TEXT
LOCK_TEXT
-
+ *(.fixup)
}
_etext = .;
PROVIDE (etext = .);
. = ALIGN(16);
- RODATA
+ RO_DATA(4096)
- /* Relocation table */
-
- .fixup : { *(.fixup) }
-
- EXCEPTION_TABLE(16)
- NOTES
/* Data section */
+#ifdef CONFIG_XIP_KERNEL
+ INIT_TEXT_SECTION(PAGE_SIZE)
+#else
_sdata = .;
- RW_DATA_SECTION(XCHAL_ICACHE_LINESIZE, PAGE_SIZE, THREAD_SIZE)
+ RW_DATA(XCHAL_ICACHE_LINESIZE, PAGE_SIZE, THREAD_SIZE)
_edata = .;
/* Initialization code and data: */
@@ -147,6 +152,11 @@
.init.data :
{
INIT_DATA
+ }
+#endif
+
+ .init.rodata :
+ {
. = ALIGN(0x4);
__tagtable_begin = .;
*(.taglist)
@@ -155,7 +165,7 @@
. = ALIGN(16);
__boot_reloc_table_start = ABSOLUTE(.);
-#ifdef CONFIG_VECTORS_OFFSET
+#if !MERGED_VECTORS
RELOCATE_ENTRY(_WindowVectors_text,
.WindowVectors.text);
#if XCHAL_EXCM_LEVEL >= 2
@@ -186,19 +196,23 @@
.DoubleExceptionVector.text);
RELOCATE_ENTRY(_DebugInterruptVector_text,
.DebugInterruptVector.text);
+ RELOCATE_ENTRY(_exception_text,
+ .exception.text);
+#endif
+#ifdef CONFIG_XIP_KERNEL
+ RELOCATE_ENTRY(_xip_data, .data);
+ RELOCATE_ENTRY(_xip_init_data, .init.data);
#endif
#if defined(CONFIG_SMP)
RELOCATE_ENTRY(_SecondaryResetVector_text,
.SecondaryResetVector.text);
#endif
-
__boot_reloc_table_end = ABSOLUTE(.) ;
INIT_SETUP(XCHAL_ICACHE_LINESIZE)
INIT_CALLS
CON_INITCALL
- SECURITY_INITCALL
INIT_RAM_FS
}
@@ -209,21 +223,24 @@
. = ALIGN(4);
.dummy : { LONG(0) }
-#ifdef CONFIG_VECTORS_OFFSET
+#undef LAST
+#define LAST .dummy
+
+#if !MERGED_VECTORS
/* The vectors are relocated to the real position at startup time */
- SECTION_VECTOR (_WindowVectors_text,
+ SECTION_VECTOR4 (_WindowVectors_text,
.WindowVectors.text,
WINDOW_VECTORS_VADDR,
.dummy)
- SECTION_VECTOR (_DebugInterruptVector_text,
+ SECTION_VECTOR4 (_DebugInterruptVector_text,
.DebugInterruptVector.text,
DEBUG_VECTOR_VADDR,
.WindowVectors.text)
#undef LAST
#define LAST .DebugInterruptVector.text
#if XCHAL_EXCM_LEVEL >= 2
- SECTION_VECTOR (_Level2InterruptVector_text,
+ SECTION_VECTOR4 (_Level2InterruptVector_text,
.Level2InterruptVector.text,
INTLEVEL2_VECTOR_VADDR,
LAST)
@@ -231,7 +248,7 @@
# define LAST .Level2InterruptVector.text
#endif
#if XCHAL_EXCM_LEVEL >= 3
- SECTION_VECTOR (_Level3InterruptVector_text,
+ SECTION_VECTOR4 (_Level3InterruptVector_text,
.Level3InterruptVector.text,
INTLEVEL3_VECTOR_VADDR,
LAST)
@@ -239,7 +256,7 @@
# define LAST .Level3InterruptVector.text
#endif
#if XCHAL_EXCM_LEVEL >= 4
- SECTION_VECTOR (_Level4InterruptVector_text,
+ SECTION_VECTOR4 (_Level4InterruptVector_text,
.Level4InterruptVector.text,
INTLEVEL4_VECTOR_VADDR,
LAST)
@@ -247,7 +264,7 @@
# define LAST .Level4InterruptVector.text
#endif
#if XCHAL_EXCM_LEVEL >= 5
- SECTION_VECTOR (_Level5InterruptVector_text,
+ SECTION_VECTOR4 (_Level5InterruptVector_text,
.Level5InterruptVector.text,
INTLEVEL5_VECTOR_VADDR,
LAST)
@@ -255,81 +272,100 @@
# define LAST .Level5InterruptVector.text
#endif
#if XCHAL_EXCM_LEVEL >= 6
- SECTION_VECTOR (_Level6InterruptVector_text,
+ SECTION_VECTOR4 (_Level6InterruptVector_text,
.Level6InterruptVector.text,
INTLEVEL6_VECTOR_VADDR,
LAST)
# undef LAST
# define LAST .Level6InterruptVector.text
#endif
- SECTION_VECTOR (_KernelExceptionVector_text,
+ SECTION_VECTOR4 (_KernelExceptionVector_text,
.KernelExceptionVector.text,
KERNEL_VECTOR_VADDR,
LAST)
#undef LAST
- SECTION_VECTOR (_UserExceptionVector_text,
+ SECTION_VECTOR4 (_UserExceptionVector_text,
.UserExceptionVector.text,
USER_VECTOR_VADDR,
.KernelExceptionVector.text)
- SECTION_VECTOR (_DoubleExceptionVector_text,
+ SECTION_VECTOR4 (_DoubleExceptionVector_text,
.DoubleExceptionVector.text,
DOUBLEEXC_VECTOR_VADDR,
.UserExceptionVector.text)
-
- . = (LOADADDR( .DoubleExceptionVector.text ) + SIZEOF( .DoubleExceptionVector.text ) + 3) & ~ 3;
+#define LAST .DoubleExceptionVector.text
#endif
#if defined(CONFIG_SMP)
- SECTION_VECTOR (_SecondaryResetVector_text,
+ SECTION_VECTOR4 (_SecondaryResetVector_text,
.SecondaryResetVector.text,
RESET_VECTOR1_VADDR,
- .DoubleExceptionVector.text)
-
- . = LOADADDR(.SecondaryResetVector.text)+SIZEOF(.SecondaryResetVector.text);
+ LAST)
+#undef LAST
+#define LAST .SecondaryResetVector.text
#endif
+#if !MERGED_VECTORS
+ SECTION_VECTOR4 (_exception_text,
+ .exception.text,
+ ,
+ LAST)
+#undef LAST
+#define LAST .exception.text
+#endif
+ . = (LOADADDR(LAST) + SIZEOF(LAST) + 3) & ~ 3;
+
+ .dummy1 : AT(ADDR(.dummy1)) { LONG(0) }
. = ALIGN(PAGE_SIZE);
+#ifndef CONFIG_XIP_KERNEL
__init_end = .;
BSS_SECTION(0, 8192, 0)
+#endif
_end = .;
- .xt.lit : { *(.xt.lit) }
- .xt.prop : { *(.xt.prop) }
+#ifdef CONFIG_XIP_KERNEL
+ . = CONFIG_XIP_DATA_ADDR;
- .debug 0 : { *(.debug) }
- .line 0 : { *(.line) }
- .debug_srcinfo 0 : { *(.debug_srcinfo) }
- .debug_sfnames 0 : { *(.debug_sfnames) }
- .debug_aranges 0 : { *(.debug_aranges) }
- .debug_pubnames 0 : { *(.debug_pubnames) }
- .debug_info 0 : { *(.debug_info) }
- .debug_abbrev 0 : { *(.debug_abbrev) }
- .debug_line 0 : { *(.debug_line) }
- .debug_frame 0 : { *(.debug_frame) }
- .debug_str 0 : { *(.debug_str) }
- .debug_loc 0 : { *(.debug_loc) }
- .debug_macinfo 0 : { *(.debug_macinfo) }
- .debug_weaknames 0 : { *(.debug_weaknames) }
- .debug_funcnames 0 : { *(.debug_funcnames) }
- .debug_typenames 0 : { *(.debug_typenames) }
- .debug_varnames 0 : { *(.debug_varnames) }
+ _xip_start = .;
- .xt.insn 0 :
+#undef LOAD_OFFSET
+#define LOAD_OFFSET \
+ (CONFIG_XIP_DATA_ADDR - (LOADADDR(.dummy1) + SIZEOF(.dummy1) + 3) & ~ 3)
+
+ _xip_data_start = .;
+ _sdata = .;
+ RW_DATA(XCHAL_ICACHE_LINESIZE, PAGE_SIZE, THREAD_SIZE)
+ _edata = .;
+ _xip_data_end = .;
+
+ /* Initialization data: */
+
+ STRUCT_ALIGN();
+
+ _xip_init_data_start = .;
+ __init_begin = .;
+ .init.data :
{
- *(.xt.insn)
- *(.gnu.linkonce.x*)
+ INIT_DATA
}
+ _xip_init_data_end = .;
+ __init_end = .;
+ BSS_SECTION(0, 8192, 0)
- .xt.lit 0 :
- {
- *(.xt.lit)
- *(.gnu.linkonce.p*)
- }
+ _xip_end = .;
+
+#undef LOAD_OFFSET
+#endif
+
+ DWARF_DEBUG
+
+ .xt.prop 0 : { KEEP(*(.xt.prop .xt.prop.* .gnu.linkonce.prop.*)) }
+ .xt.insn 0 : { KEEP(*(.xt.insn .xt.insn.* .gnu.linkonce.x*)) }
+ .xt.lit 0 : { KEEP(*(.xt.lit .xt.lit.* .gnu.linkonce.p*)) }
/* Sections to be discarded */
DISCARDS
--
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