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Update BOOT_DATA structure and use it instead of all the BOOT_* vars.

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git-svn-id: svn://kolibrios.org@7132 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Ivan B
2017-12-17 02:12:53 +00:00
parent b00728a5d1
commit 368d42ffae
18 changed files with 192 additions and 204 deletions
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20
kernel/trunk/init.inc
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@@ -15,7 +15,7 @@ MEM_UC equ 0 ;uncached memory
align 4
proc mem_test
; if we have BIOS with fn E820, skip the test
cmp dword [BOOT_VARS-OS_BASE + BOOT_MEMMAP_BLOCK_CNT], 0
cmp dword [BOOT_LO.memmap_block_cnt], 0
jnz .ret
mov eax, cr0
@@ -35,14 +35,14 @@ proc mem_test
and eax, not (CR0_CD+CR0_NW) ;enable caching
mov cr0, eax
inc dword [BOOT_VARS-OS_BASE + BOOT_MEMMAP_BLOCK_CNT]
inc dword [BOOT_LO.memmap_block_cnt]
xor eax, eax
mov [BOOT_VARS-OS_BASE + BOOT_MEMMAP_BLOCKS + e820entry.addr.lo], eax
mov [BOOT_VARS-OS_BASE + BOOT_MEMMAP_BLOCKS + e820entry.addr.hi], eax
mov [BOOT_VARS-OS_BASE + BOOT_MEMMAP_BLOCKS + e820entry.size.lo], edi
mov [BOOT_VARS-OS_BASE + BOOT_MEMMAP_BLOCKS + e820entry.size.hi], eax
mov [BOOT_LO.memmap_blocks + e820entry.addr.lo], eax
mov [BOOT_LO.memmap_blocks + e820entry.addr.hi], eax
mov [BOOT_LO.memmap_blocks + e820entry.size.lo], edi
mov [BOOT_LO.memmap_blocks + e820entry.size.hi], eax
inc eax
mov [BOOT_VARS-OS_BASE + BOOT_MEMMAP_BLOCKS + e820entry.type], eax
mov [BOOT_LO.memmap_blocks + e820entry.type], eax
.ret:
ret
endp
@@ -50,7 +50,7 @@ endp
align 4
proc init_mem
; calculate maximum allocatable address and number of allocatable pages
mov edi, BOOT_VARS-OS_BASE + BOOT_MEMMAP_BLOCKS
mov edi, BOOT_LO.memmap_blocks
mov ecx, [edi-4]
xor esi, esi; esi will hold total amount of memory
xor edx, edx; edx will hold maximum allocatable address
@@ -197,7 +197,7 @@ proc init_page_map
rep stosd
; scan through memory map and mark free areas as available
mov ebx, BOOT_VARS-OS_BASE + BOOT_MEMMAP_BLOCKS
mov ebx, BOOT_LO.memmap_blocks
mov edx, [ebx-4]
.scanmap:
cmp [ebx+16], byte 1
@@ -459,7 +459,7 @@ acpi_locate:
if defined UEFI
; UEFI loader knows where RSDP is
mov ebx, [BOOT_ACPI_RSDP]
mov ebx, [BOOT_LO.acpi_rsdp]
test ebx, ebx
jz .done
call .check