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HV: misra fix for multiboot2.c

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The patch fixed a few misra violations for multiboot2.c;

Tracked-On: #4419

Signed-off-by: Victor Sun <victor.sun@intel.com>
This commit is contained in:
Victor Sun 2020-03-30 13:25:41 +08:00 committed by wenlingz
parent 70fa6dce53
commit 3888c444cc
2 changed files with 19 additions and 16 deletions
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3
hypervisor/boot/include/boot.h
View File

@ -51,6 +51,9 @@ static inline bool boot_from_multiboot1(void)
}
#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)
{
/*

32
hypervisor/boot/multiboot2.c
View File

@ -14,7 +14,7 @@
/**
* @pre mbi != NULL && mb2_tag_mmap != NULL
*/
static void mb2_mmap_to_mbi(struct acrn_multiboot_info *mbi, struct multiboot2_tag_mmap *mb2_tag_mmap)
static void mb2_mmap_to_mbi(struct acrn_multiboot_info *mbi, const struct multiboot2_tag_mmap *mb2_tag_mmap)
{
uint32_t i;
@ -36,7 +36,7 @@ static void mb2_mmap_to_mbi(struct acrn_multiboot_info *mbi, struct multiboot2_t
* @pre mbi != NULL && mb2_tag_mods != NULL
*/
static void mb2_mods_to_mbi(struct acrn_multiboot_info *mbi,
uint32_t mbi_mod_idx, struct multiboot2_tag_module *mb2_tag_mods)
uint32_t mbi_mod_idx, const struct multiboot2_tag_module *mb2_tag_mods)
{
if (mbi_mod_idx >= MAX_MODULE_COUNT) {
pr_err("unhandled multiboot2 module: 0x%x", mb2_tag_mods->mod_start);
@ -52,7 +52,7 @@ static void mb2_mods_to_mbi(struct acrn_multiboot_info *mbi,
/**
* @pre mbi != NULL && mb2_tag_efi64 != 0
*/
static void mb2_efi64_to_mbi(struct acrn_multiboot_info *mbi, struct multiboot2_tag_efi64 *mb2_tag_efi64)
static void mb2_efi64_to_mbi(struct acrn_multiboot_info *mbi, const struct multiboot2_tag_efi64 *mb2_tag_efi64)
{
mbi->mi_efi_info.efi_systab = (uint32_t)(uint64_t)mb2_tag_efi64->pointer;
mbi->mi_efi_info.efi_loader_signature = (uint32_t)(uint64_t)efiloader_sig;
@ -62,7 +62,8 @@ static void mb2_efi64_to_mbi(struct acrn_multiboot_info *mbi, struct multiboot2_
/**
* @pre mbi != NULL && mb2_tag_efimmap != 0
*/
static int32_t mb2_efimmap_to_mbi(struct acrn_multiboot_info *mbi, struct multiboot2_tag_efi_mmap *mb2_tag_efimmap)
static int32_t mb2_efimmap_to_mbi(struct acrn_multiboot_info *mbi,
const struct multiboot2_tag_efi_mmap *mb2_tag_efimmap)
{
int32_t ret = 0;
@ -81,7 +82,7 @@ static int32_t mb2_efimmap_to_mbi(struct acrn_multiboot_info *mbi, struct multib
}
/**
* @pre mbi != NULL && mb2_info != NULL
* @pre mbi != NULL
*/
int32_t multiboot2_to_acrn_mbi(struct acrn_multiboot_info *mbi, void *mb2_info)
{
@ -95,18 +96,12 @@ int32_t multiboot2_to_acrn_mbi(struct acrn_multiboot_info *mbi, void *mb2_info)
mb2_tag_end = (struct multiboot2_tag *)((uint8_t *)mb2_info + mb2_info_size);
while ((mb2_tag->type != MULTIBOOT2_TAG_TYPE_END) && (mb2_tag < mb2_tag_end)) {
if (mb2_tag->size == 0U) {
pr_err("the multiboot2 tag size should not be 0!");
ret = -EINVAL;
break;
}
switch (mb2_tag->type) {
case MULTIBOOT2_TAG_TYPE_MMAP:
mb2_mmap_to_mbi(mbi, (struct multiboot2_tag_mmap *)mb2_tag);
mb2_mmap_to_mbi(mbi, (const struct multiboot2_tag_mmap *)mb2_tag);
break;
case MULTIBOOT2_TAG_TYPE_MODULE:
mb2_mods_to_mbi(mbi, mod_idx, (struct multiboot2_tag_module *)mb2_tag);
mb2_mods_to_mbi(mbi, mod_idx, (const struct multiboot2_tag_module *)mb2_tag);
mod_idx++;
break;
case MULTIBOOT2_TAG_TYPE_BOOT_LOADER_NAME:
@ -116,10 +111,10 @@ int32_t multiboot2_to_acrn_mbi(struct acrn_multiboot_info *mbi, void *mb2_info)
mbi->mi_acpi_rsdp = ((struct multiboot2_tag_new_acpi *)mb2_tag)->rsdp;
break;
case MULTIBOOT2_TAG_TYPE_EFI64:
mb2_efi64_to_mbi(mbi, (struct multiboot2_tag_efi64 *)mb2_tag);
mb2_efi64_to_mbi(mbi, (const struct multiboot2_tag_efi64 *)mb2_tag);
break;
case MULTIBOOT2_TAG_TYPE_EFI_MMAP:
ret = mb2_efimmap_to_mbi(mbi, (struct multiboot2_tag_efi_mmap *)mb2_tag);
ret = mb2_efimmap_to_mbi(mbi, (const struct multiboot2_tag_efi_mmap *)mb2_tag);
break;
default:
if (mb2_tag->type <= MULTIBOOT2_TAG_TYPE_LOAD_BASE_ADDR) {
@ -130,12 +125,17 @@ int32_t multiboot2_to_acrn_mbi(struct acrn_multiboot_info *mbi, void *mb2_info)
}
break;
}
if (mb2_tag->size == 0U) {
pr_err("the multiboot2 tag size should not be 0!");
ret = -EINVAL;
}
if (ret != 0) {
pr_err("multiboot2 info format error!");
break;
}
/*
* tag->size is not including padding whearas each tag
* tag->size does not include padding whearas each tag
* start at 8-bytes aligned address.
*/
mb2_tag = (struct multiboot2_tag *)((uint8_t *)mb2_tag