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hv: modularization: multiboot private header

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Create multiboot_pri.h and move the relevant declarations into this
file.

Tracked-On: #5661
Signed-off-by: Vijay Dhanraj <vijay.dhanraj@intel.com>
Reviewed-by: Jason Chen CJ <jason.cj.chen@intel.com>
This commit is contained in:
Liang Yi
2021-01-18 03:28:39 +08:00
committed by wenlingz
parent 0ace40b679
commit 153e83a19e
5 changed files with 103 additions and 91 deletions
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26
hypervisor/boot/include/boot.h
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@@ -52,32 +52,6 @@ extern uint32_t boot_regs[2];
extern char *efiloader_sig;
static inline bool boot_from_multiboot1(void)
{
return ((boot_regs[0] == MULTIBOOT_INFO_MAGIC) && (boot_regs[1] != 0U));
}
#ifdef CONFIG_MULTIBOOT2
/*
* @post boot_regs[1] stores the address pointer that point to a valid multiboot2 info
*/
static inline bool boot_from_multiboot2(void)
{
/*
* Multiboot spec states that the Multiboot information structure may be placed
* anywhere in memory by the boot loader.
*
* Seems both SBL and GRUB won't place multiboot1 MBI structure at 0 address,
* but GRUB could place Multiboot2 MBI structure at 0 address until commit
* 0f3f5b7c13fa9b67 ("multiboot2: Set min address for mbi allocation to 0x1000")
* which dates on Dec 26 2019.
*/
return (boot_regs[0] == MULTIBOOT2_INFO_MAGIC);
}
int32_t multiboot2_to_acrn_mbi(struct acrn_multiboot_info *mbi, void *mb2_info);
#endif
/*
* The extern declaration for acrn_mbi is for cmdline.c use only, other functions should use
* get_multiboot_info() API to access struct acrn_mbi because it has explict @post condition