x86: linked list of setup_data for i386
This patch adds linked list of struct setup_data supported for i386.
Signed-off-by: Huang Ying <ying.huang@intel.com>
Cc: andi@firstfloor.org
Cc: mingo@redhat.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/x86/kernel/head.c b/arch/x86/kernel/head.c
index e0d0ce5..a727c0b 100644
--- a/arch/x86/kernel/head.c
+++ b/arch/x86/kernel/head.c
@@ -53,3 +53,21 @@
/* reserve all memory between lowmem and the 1MB mark */
reserve_early(lowmem, 0x100000, "BIOS reserved");
}
+
+void __init reserve_setup_data(void)
+{
+ struct setup_data *data;
+ u64 pa_data;
+ char buf[32];
+
+ if (boot_params.hdr.version < 0x0209)
+ return;
+ pa_data = boot_params.hdr.setup_data;
+ while (pa_data) {
+ data = early_ioremap(pa_data, sizeof(*data));
+ sprintf(buf, "setup data %x", data->type);
+ reserve_early(pa_data, pa_data+sizeof(*data)+data->len, buf);
+ pa_data = data->next;
+ early_iounmap(data, sizeof(*data));
+ }
+}
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index f1773c8..5fbed45 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -51,24 +51,6 @@
}
}
-static void __init reserve_setup_data(void)
-{
- struct setup_data *data;
- unsigned long pa_data;
- char buf[32];
-
- if (boot_params.hdr.version < 0x0209)
- return;
- pa_data = boot_params.hdr.setup_data;
- while (pa_data) {
- data = early_ioremap(pa_data, sizeof(*data));
- sprintf(buf, "setup data %x", data->type);
- reserve_early(pa_data, pa_data+sizeof(*data)+data->len, buf);
- pa_data = data->next;
- early_iounmap(data, sizeof(*data));
- }
-}
-
void __init x86_64_start_kernel(char * real_mode_data)
{
int i;
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 6f80b85..0a281f2 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -137,3 +137,25 @@
}
#endif
+
+void __init parse_setup_data(void)
+{
+ struct setup_data *data;
+ u64 pa_data;
+
+ if (boot_params.hdr.version < 0x0209)
+ return;
+ pa_data = boot_params.hdr.setup_data;
+ while (pa_data) {
+ data = early_ioremap(pa_data, PAGE_SIZE);
+ switch (data->type) {
+ default:
+ break;
+ }
+#ifndef CONFIG_DEBUG_BOOT_PARAMS
+ free_early(pa_data, pa_data+sizeof(*data)+data->len);
+#endif
+ pa_data = data->next;
+ early_iounmap(data, PAGE_SIZE);
+ }
+}
diff --git a/arch/x86/kernel/setup_32.c b/arch/x86/kernel/setup_32.c
index 2960cbe..ee1ccdb 100644
--- a/arch/x86/kernel/setup_32.c
+++ b/arch/x86/kernel/setup_32.c
@@ -681,6 +681,7 @@
pre_setup_arch_hook();
early_cpu_init();
early_ioremap_init();
+ reserve_setup_data();
#ifdef CONFIG_EFI
if (!strncmp((char *)&boot_params.efi_info.efi_loader_signature,
@@ -729,6 +730,8 @@
bss_resource.start = virt_to_phys(&__bss_start);
bss_resource.end = virt_to_phys(&__bss_stop)-1;
+ parse_setup_data();
+
parse_early_param();
finish_e820_parsing();
diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c
index 078c02f..adf3b04 100644
--- a/arch/x86/kernel/setup_64.c
+++ b/arch/x86/kernel/setup_64.c
@@ -272,28 +272,6 @@
machine_specific_memory_setup();
}
-static void __init parse_setup_data(void)
-{
- struct setup_data *data;
- unsigned long pa_data;
-
- if (boot_params.hdr.version < 0x0209)
- return;
- pa_data = boot_params.hdr.setup_data;
- while (pa_data) {
- data = early_ioremap(pa_data, PAGE_SIZE);
- switch (data->type) {
- default:
- break;
- }
-#ifndef CONFIG_DEBUG_BOOT_PARAMS
- free_early(pa_data, pa_data+sizeof(*data)+data->len);
-#endif
- pa_data = data->next;
- early_iounmap(data, PAGE_SIZE);
- }
-}
-
#ifdef CONFIG_PCI_MMCONFIG
extern void __cpuinit fam10h_check_enable_mmcfg(void);
extern void __init check_enable_amd_mmconf_dmi(void);
diff --git a/include/asm-x86/bootparam.h b/include/asm-x86/bootparam.h
index f62f473..0a07390 100644
--- a/include/asm-x86/bootparam.h
+++ b/include/asm-x86/bootparam.h
@@ -106,4 +106,7 @@
__u8 _pad9[276]; /* 0xeec */
} __attribute__((packed));
+void reserve_setup_data(void);
+void parse_setup_data(void);
+
#endif /* _ASM_BOOTPARAM_H */