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system/datadir: Add new type constant for DTB files

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Currently DTB files are mixed with ROMs under BIOS type. Separate them
under a new type constant and turn defines into an enum while at it.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <ae793d1f81e3577605759c43871722324a1ef2cb.1745402140.git.balaton@eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
This commit is contained in:
BALATON Zoltan 2025-04-23 12:02:20 +02:00 • committed by Philippe Mathieu-Daudé
parent 8af0e52b28
commit fcb1ad456c
6 changed files with 14 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

2
hw/microblaze/boot.c
View file

@ -130,7 +130,7 @@ void microblaze_load_kernel(MicroBlazeCPU *cpu, bool is_little_endian,
dtb_arg = current_machine->dtb;
/* default to pcbios dtb as passed by machine_init */
if (!dtb_arg && dtb_filename) {
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, dtb_filename);
filename = qemu_find_file(QEMU_FILE_TYPE_DTB, dtb_filename);
}
boot_info.machine_cpu_reset = machine_cpu_reset;

2
hw/ppc/ppc440_bamboo.c
View file

@ -64,7 +64,7 @@ static int bamboo_load_device_tree(MachineState *machine,
uint32_t tb_freq = 400000000;
uint32_t clock_freq = 400000000;
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, BINARY_DEVICE_TREE_FILE);
filename = qemu_find_file(QEMU_FILE_TYPE_DTB, BINARY_DEVICE_TREE_FILE);
if (!filename) {
return -1;
}

2
hw/ppc/sam460ex.c
View file

@ -142,7 +142,7 @@ static int sam460ex_load_device_tree(MachineState *machine,
uint32_t clock_freq = CPU_FREQ;
int offset;
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, BINARY_DEVICE_TREE_FILE);
filename = qemu_find_file(QEMU_FILE_TYPE_DTB, BINARY_DEVICE_TREE_FILE);
if (!filename) {
error_report("Couldn't find dtb file `%s'", BINARY_DEVICE_TREE_FILE);
exit(1);

2
hw/ppc/virtex_ml507.c
View file

@ -146,7 +146,7 @@ static int xilinx_load_device_tree(MachineState *machine,
/* Try the local "ppc.dtb" override. */
fdt = load_device_tree("ppc.dtb", &fdt_size);
if (!fdt) {
path = qemu_find_file(QEMU_FILE_TYPE_BIOS, BINARY_DEVICE_TREE_FILE);
path = qemu_find_file(QEMU_FILE_TYPE_DTB, BINARY_DEVICE_TREE_FILE);
if (path) {
fdt = load_device_tree(path, &fdt_size);
g_free(path);

11
include/qemu/datadir.h
View file

@ -1,11 +1,16 @@
#ifndef QEMU_DATADIR_H
#define QEMU_DATADIR_H
#define QEMU_FILE_TYPE_BIOS 0
#define QEMU_FILE_TYPE_KEYMAP 1
typedef enum {
QEMU_FILE_TYPE_BIOS,
QEMU_FILE_TYPE_DTB,
QEMU_FILE_TYPE_KEYMAP,
} QemuFileType;
/**
* qemu_find_file:
* @type: QEMU_FILE_TYPE_BIOS (for BIOS, VGA BIOS)
* QEMU_FILE_TYPE_DTB (for device tree blobs)
* or QEMU_FILE_TYPE_KEYMAP (for keymaps).
* @name: Relative or absolute file name
*
@ -20,7 +25,7 @@
*
* Returns: a path that can access @name, or NULL if no matching file exists.
*/
char *qemu_find_file(int type, const char *name);
char *qemu_find_file(QemuFileType type, const char *name);
void qemu_add_default_firmwarepath(void);
void qemu_add_data_dir(char *path);
void qemu_list_data_dirs(void);

3
system/datadir.c
View file

@ -30,7 +30,7 @@
static const char *data_dir[16];
static int data_dir_idx;
char *qemu_find_file(int type, const char *name)
char *qemu_find_file(QemuFileType type, const char *name)
{
int i;
const char *subdir;
@ -44,6 +44,7 @@ char *qemu_find_file(int type, const char *name)
switch (type) {
case QEMU_FILE_TYPE_BIOS:
case QEMU_FILE_TYPE_DTB:
subdir = "";
break;
case QEMU_FILE_TYPE_KEYMAP: