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release 3.10

Browse source 
https://sourceforge.net/projects/elilo/files/elilo/elilo-3.10/

(sans a few CVS directories)
This commit is contained in:
Stephane Eranian 2009-04-03 09:38:32 -04:00 • committed by Vincent Batts
parent 34d8003a54
commit 4e87874a03
35 changed files with 412 additions and 235 deletions
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35
x86_64/sysdeps.h
View file

@ -47,6 +47,10 @@
*/
#define INITRD_START (50*1024*1024)
/* Default start address for kernel. */
#define DEFAULT_KERNEL_START 0x100000
/*
* This version must match the one in the kernel.
*
@ -307,10 +311,16 @@ typedef union x86_64_boot_params {
UINT8 *t = (UINT8 *)(to); \
UINT8 *f = (UINT8 *)(from); \
UINTN n = cnt; \
if (t && f && n) { \
if (t && f && n && (t<f)) { \
while (n--) { \
*t++ = *f++; \
} \
} else if (t && f && n && (t>f)) { \
t += n; \
f += n; \
while (n--) { \
*t-- = *f--; \
} \
} \
}
@ -343,6 +353,7 @@ extern UINTN param_size;
extern VOID *kernel_start;
extern UINTN kernel_size;
extern VOID *kernel_load_address;
extern VOID *initrd_start;
extern UINTN initrd_size;
@ -370,8 +381,8 @@ start_kernel(VOID *kentry, boot_params_t *bp)
UINT32 kernel_entry;
UINT16 kernel_cs;
} jumpvector;
UINTN njump;
VOID *jump_start;
uint64_t temp;
/*
* Disable interrupts.
@ -379,11 +390,20 @@ start_kernel(VOID *kentry, boot_params_t *bp)
asm volatile ( "cli" : : );
/*
* Relocate initrd, if present.
* Relocate kernel (if needed), and initrd (if present).
* Copy kernel first, in case kernel was loaded overlapping where we're
* planning to copy the initrd. This assumes that the initrd didn't
* get loaded overlapping where we're planning to copy the kernel, but
* that's pretty unlikely since we couldn't alloc that space for the
* kernel (or the kernel would already be there).
*/
if (kernel_start != kernel_load_address) {
MEMCPY(kernel_start, kernel_load_address, kernel_size);
}
if (bp->s.initrd_start) {
MEMCPY(INITRD_START, bp->s.initrd_start, bp->s.initrd_size);
temp = bp->s.initrd_start;
MEMCPY(INITRD_START, temp , bp->s.initrd_size);
bp->s.initrd_start = INITRD_START;
}
/*
@ -434,14 +454,15 @@ start_kernel(VOID *kentry, boot_params_t *bp)
/*
* Jump to kernel entry point.
*
* Cast is to tell gcc that we know we're going from
* 64-bit ptr to 32-bit integer.
*/
jumpvector.kernel_entry=kentry;
jumpvector.kernel_entry=(UINT32)((UINT64)kentry);
jumpvector.kernel_cs=0x10;
njump = &jumpvector;
jump_start = (VOID *)&jumpvector;
//asm volatile ( "mov %0, %%rcx" : : "m" (&jumpvector) );
asm volatile ( "mov %0, %%rcx" : : "m" (jump_start) );
//asm volatile ( "mov %0, %%rcx" : : "m" (njump) );
asm volatile ( "ljmp *(%%rcx)" : :);
/* Never come back to here. */
}