haraldwolff/qemu-patch-raspberry4
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roms: use new fw_cfg file xfer support.

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roms: use fw_cfg for vgabios and option rom loading, additionally to
deploying them the traditional way (copy to 0xc0000 -> 0xe0000 range).

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Gerd Hoffmann 2009-12-18 12:01:11 +01:00 committed by Anthony Liguori
parent abe147e0ce
commit 379526a40e
3 changed files with 27 additions and 5 deletions
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25
hw/loader.c
View file

@ -48,6 +48,7 @@
#include "sysemu.h"
#include "uboot_image.h"
#include "loader.h"
#include "fw_cfg.h"
#include <zlib.h>
@ -528,6 +529,8 @@ struct Rom {
uint8_t *data;
int align;
int isrom;
char *fw_dir;
char *fw_file;
target_phys_addr_t min;
target_phys_addr_t max;
@ -556,7 +559,7 @@ static void rom_insert(Rom *rom)
QTAILQ_INSERT_TAIL(&roms, rom, next);
}
int rom_add_file(const char *file,
int rom_add_file(const char *file, const char *fw_dir, const char *fw_file,
target_phys_addr_t min, target_phys_addr_t max, int align)
{
Rom *rom;
@ -576,6 +579,8 @@ int rom_add_file(const char *file,
goto err;
}
rom->fw_dir = fw_dir ? qemu_strdup(fw_dir) : NULL;
rom->fw_file = fw_file ? qemu_strdup(fw_file) : NULL;
rom->align = align;
rom->min = min;
rom->max = max;
@ -623,14 +628,16 @@ int rom_add_vga(const char *file)
{
if (!rom_enable_driver_roms)
return 0;
return rom_add_file(file, PC_ROM_MIN_VGA, PC_ROM_MAX, PC_ROM_ALIGN);
return rom_add_file(file, "vgaroms", file,
PC_ROM_MIN_VGA, PC_ROM_MAX, PC_ROM_ALIGN);
}
int rom_add_option(const char *file)
{
if (!rom_enable_driver_roms)
return 0;
return rom_add_file(file, PC_ROM_MIN_OPTION, PC_ROM_MAX, PC_ROM_ALIGN);
return rom_add_file(file, "genroms", file,
PC_ROM_MIN_OPTION, PC_ROM_MAX, PC_ROM_ALIGN);
}
static void rom_reset(void *unused)
@ -692,6 +699,18 @@ int rom_load_all(void)
return 0;
}
int rom_load_fw(void *fw_cfg)
{
Rom *rom;
QTAILQ_FOREACH(rom, &roms, next) {
if (!rom->fw_file)
continue;
fw_cfg_add_file(fw_cfg, rom->fw_dir, rom->fw_file, rom->data, rom->romsize);
}
return 0;
}
static Rom *find_rom(target_phys_addr_t addr)
{
Rom *rom;

5
hw/loader.h
View file

@ -19,17 +19,18 @@ void pstrcpy_targphys(const char *name,
target_phys_addr_t dest, int buf_size,
const char *source);
int rom_add_file(const char *file,
int rom_add_file(const char *file, const char *fw_dir, const char *fw_file,
target_phys_addr_t min, target_phys_addr_t max, int align);
int rom_add_blob(const char *name, const void *blob, size_t len,
target_phys_addr_t min, target_phys_addr_t max, int align);
int rom_load_all(void);
int rom_load_fw(void *fw_cfg);
int rom_copy(uint8_t *dest, target_phys_addr_t addr, size_t size);
void *rom_ptr(target_phys_addr_t addr);
void do_info_roms(Monitor *mon);
#define rom_add_file_fixed(_f, _a) \
rom_add_file(_f, _a, 0, 0)
rom_add_file(_f, NULL, NULL, _a, 0, 0)
#define rom_add_blob_fixed(_f, _b, _l, _a) \
rom_add_blob(_f, _b, _l, _a, 0, 0)

2
hw/pc.c
View file

@ -1250,6 +1250,8 @@ static void pc_init1(ram_addr_t ram_size,
}
}
}
rom_load_fw(fw_cfg);
}
static void pc_init_pci(ram_addr_t ram_size,