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hw/mips: Remove exit(1) in case of missing ROM

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This patch updates MIPS-based machines to allow starting them without ROM.
In this case CPU starts to execute instructions from the empty memory,
but QEMU allows introspecting the machine configuration.

Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgalyuk@ispras.ru>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <159531210571.24117.231100997794891819.stgit@pasha-ThinkPad-X280>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
This commit is contained in:
Pavel Dovgalyuk 2020-07-21 09:15:05 +03:00 • committed by Philippe Mathieu-Daudé
parent 27cf0896bf
commit a4374f86dc
4 changed files with 13 additions and 24 deletions
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8
hw/mips/jazz.c
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@ -218,10 +218,7 @@ static void mips_jazz_init(MachineState *machine,
memory_region_add_subregion(address_space, 0xfff00000LL, bios2);
/* load the BIOS image. */
if (bios_name == NULL) {
bios_name = BIOS_FILENAME;
}
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name ?: BIOS_FILENAME);
if (filename) {
bios_size = load_image_targphys(filename, 0xfff00000LL,
MAGNUM_BIOS_SIZE);
@ -229,7 +226,8 @@ static void mips_jazz_init(MachineState *machine,
} else {
bios_size = -1;
}
if ((bios_size < 0 || bios_size > MAGNUM_BIOS_SIZE) && !qtest_enabled()) {
if ((bios_size < 0 || bios_size > MAGNUM_BIOS_SIZE)
&& bios_name && !qtest_enabled()) {
error_report("Could not load MIPS bios '%s'", bios_name);
exit(1);
}