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Pass-through unknown E820 types. It required reorganisation of mmap

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module.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2013-10-14 16:33:44 +02:00
parent f8f3f15559
commit 6de9ee86bf
8 changed files with 111 additions and 139 deletions
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29
grub-core/loader/i386/bsd.c
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@ -287,34 +287,15 @@ generate_e820_mmap_iter (grub_uint64_t addr, grub_uint64_t size,
ctx->cur.addr = addr;
ctx->cur.size = size;
switch (type)
{
case GRUB_MEMORY_AVAILABLE:
ctx->cur.type = GRUB_E820_RAM;
break;
case GRUB_MEMORY_ACPI:
ctx->cur.type = GRUB_E820_ACPI;
break;
case GRUB_MEMORY_NVS:
ctx->cur.type = GRUB_E820_NVS;
break;
case GRUB_MEMORY_COREBOOT_TABLES:
if (type == GRUB_MEMORY_COREBOOT_TABLES
&& addr == 0)
/* Nowadays the tables at 0 don't contain anything important but
*BSD needs the memory at 0 for own needs.
*/
if (addr == 0)
ctx->cur.type = GRUB_E820_RAM;
else
ctx->cur.type = GRUB_E820_COREBOOT_TABLES;
break;
default:
case GRUB_MEMORY_CODE:
case GRUB_MEMORY_RESERVED:
ctx->cur.type = GRUB_E820_RESERVED;
break;
}
type = GRUB_E820_RAM;
ctx->cur.type = type;
/* Merge regions if possible. */
if (ctx->count && ctx->cur.type == ctx->prev.type