Locally override SYM_PUSH_SECTION() to retain the intended section
association.
Signed-off-by: Jan Beulich <jbeul...@suse.com>
---
v8: Re-base.
v7: New.
--- a/xen/arch/arm/arm32/head.S
+++ b/xen/arch/arm/arm32/head.S
@@ -48,13 +48,20 @@
.section .text.header, "ax", %progbits
.arm
+/*
+ * Code below wants to all live in the section established above. Annotations
+ * from xen/linkage.h therefore may not switch sections (honoring
+ * CONFIG_CC_SPLIT_SECTIONS). Override the respective macro.
+ */
+#undef SYM_PUSH_SECTION
+#define SYM_PUSH_SECTION(name, attr)
/*
* This must be the very first address in the loaded image.
* It should be linked at XEN_VIRT_START, and loaded at any
* 4K-aligned address.
*/
-GLOBAL(start)
+FUNC(start)
/*
* zImage magic header, see:
*
http://www.simtec.co.uk/products/SWLINUX/files/booting_article.html#d0e309
@@ -104,9 +111,9 @@ primary_switched:
mov r0, r8 /* r0 := paddr(FDT) */
mov_w r1, start_xen
b launch
-ENDPROC(start)
+END(start)
-GLOBAL(init_secondary)
+FUNC(init_secondary)
cpsid aif /* Disable all interrupts */
/* Find out where we are */
@@ -142,7 +149,7 @@ secondary_switched:
/* Jump to C world */
mov_w r1, start_secondary
b launch
-ENDPROC(init_secondary)
+END(init_secondary)
/*
* Check if the CPU supports virtualization extensions and has been booted
@@ -154,7 +161,7 @@ ENDPROC(init_secondary)
*
* Clobbers r0 - r3
*/
-check_cpu_mode:
+FUNC_LOCAL(check_cpu_mode)
/* Check that this CPU has Hyp mode */
mrc CP32(r0, ID_PFR1)
and r0, r0, #0xf000 /* Bits 12-15 define virt extensions */
@@ -174,14 +181,14 @@ check_cpu_mode:
PRINT("- Xen must be entered in NS Hyp mode -\r\n")
PRINT("- Please update the bootloader -\r\n")
b fail
-ENDPROC(check_cpu_mode)
+END(check_cpu_mode)
/*
* Zero BSS
*
* Clobbers r0 - r3
*/
-zero_bss:
+FUNC_LOCAL(zero_bss)
PRINT("- Zero BSS -\r\n")
mov_w r0, __bss_start /* r0 := vaddr(__bss_start) */
mov_w r1, __bss_end /* r1 := vaddr(__bss_end) */
@@ -195,9 +202,9 @@ zero_bss:
skip_bss:
mov pc, lr
-ENDPROC(zero_bss)
+END(zero_bss)
-cpu_init:
+FUNC_LOCAL(cpu_init)
PRINT("- Setting up control registers -\r\n")
mov r5, lr /* r5 := return address */
@@ -238,7 +245,7 @@ cpu_init_done:
isb
mov pc, r5 /* Return address is in r5 */
-ENDPROC(cpu_init)
+END(cpu_init)
/*
* Setup the initial stack and jump to the C world
@@ -249,7 +256,7 @@ ENDPROC(cpu_init)
*
* Clobbers r3
*/
-launch:
+FUNC_LOCAL(launch)
mov_w r3, init_data
add r3, #INITINFO_stack /* Find the boot-time stack */
ldr sp, [r3]
@@ -258,13 +265,14 @@ launch:
/* Jump to C world */
bx r1
-ENDPROC(launch)
+END(launch)
/* Fail-stop */
-fail: PRINT("- Boot failed -\r\n")
+FUNC_LOCAL(fail)
+ PRINT("- Boot failed -\r\n")
1: wfe
b 1b
-ENDPROC(fail)
+END(fail)
#ifdef CONFIG_EARLY_PRINTK
/*
@@ -275,14 +283,14 @@ ENDPROC(fail)
*
* Clobbers r0 - r3
*/
-init_uart:
+FUNC_LOCAL(init_uart)
mov_w r11, CONFIG_EARLY_UART_BASE_ADDRESS
#ifdef CONFIG_EARLY_UART_INIT
early_uart_init r11, r1, r2
#endif
PRINT("- UART enabled -\r\n")
mov pc, lr
-ENDPROC(init_uart)
+END(init_uart)
/*
* Print early debug messages.
@@ -291,14 +299,14 @@ ENDPROC(init_uart)
* r11: Early UART base address
* Clobbers r0-r1
*/
-ENTRY(asm_puts)
+FUNC(asm_puts)
early_uart_ready r11, r1
ldrb r1, [r0], #1 /* Load next char */
teq r1, #0 /* Exit on nul */
moveq pc, lr
early_uart_transmit r11, r1
b asm_puts
-ENDPROC(asm_puts)
+END(asm_puts)
/*
* Print a 32-bit number in hex.
@@ -307,7 +315,7 @@ ENDPROC(asm_puts)
* r11: Early UART base address
* Clobbers r0-r3
*/
-ENTRY(asm_putn)
+FUNC(asm_putn)
adr_l r1, hex
mov r3, #8
1:
@@ -319,18 +327,19 @@ ENTRY(asm_putn)
subs r3, r3, #1
bne 1b
mov pc, lr
-ENDPROC(asm_putn)
+END(asm_putn)
RODATA_SECT(.rodata.idmap, hex, "0123456789abcdef")
#endif /* CONFIG_EARLY_PRINTK */
/* This provides a C-API version of __lookup_processor_type */
-ENTRY(lookup_processor_type)
+FUNC(lookup_processor_type)
stmfd sp!, {r4, lr}
bl __lookup_processor_type
mov r0, r1
ldmfd sp!, {r4, pc}
+END(lookup_processor_type)
/*
* Read processor ID register (CP#15, CR0), and Look up in the linker-built
@@ -341,7 +350,7 @@ ENTRY(lookup_processor_type)
* r1: proc_info pointer
* Clobbers r2-r4
*/
-__lookup_processor_type:
+FUNC_LOCAL(__lookup_processor_type)
mrc CP32(r0, MIDR) /* r0 := our cpu id */
adr_l r1, __proc_info_start
adr_l r2, __proc_info_end
@@ -357,7 +366,7 @@ __lookup_processor_type:
mov r1, #0
2:
mov pc, lr
-ENDPROC(__lookup_processor_type)
+END(__lookup_processor_type)
/*
* Local variables:
