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| author | Pavel Dovgalyuk <pavel.dovgalyuk@ispras.ru> | 2020-07-21 09:15:05 +0300 |
|---|---|---|
| committer | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2020-10-17 13:59:40 +0200 |
| commit | a4374f86dc648b6cf10a7c8c40bde33722e5b25d (patch) | |
| tree | 2ddcbb343bf455879ebe127be9bdaa70ee409f6f /hw/mips/mipssim.c | |
| parent | 27cf0896bfd84a9ccb2cfe315952338f00aa086e (diff) | |
| download | qemu-a4374f86dc648b6cf10a7c8c40bde33722e5b25d.zip qemu-a4374f86dc648b6cf10a7c8c40bde33722e5b25d.tar.gz qemu-a4374f86dc648b6cf10a7c8c40bde33722e5b25d.tar.bz2 | |
hw/mips: Remove exit(1) in case of missing ROM
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>
Diffstat (limited to 'hw/mips/mipssim.c')
| -rw-r--r-- | hw/mips/mipssim.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/hw/mips/mipssim.c b/hw/mips/mipssim.c index 97dcc23..aaa62a0 100644 --- a/hw/mips/mipssim.c +++ b/hw/mips/mipssim.c @@ -177,10 +177,7 @@ mips_mipssim_init(MachineState *machine) /* Map the BIOS / boot exception handler. */ memory_region_add_subregion(address_space_mem, 0x1fc00000LL, bios); /* Load a BIOS / boot exception handler 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, 0x1fc00000LL, BIOS_SIZE); g_free(filename); @@ -188,10 +185,9 @@ mips_mipssim_init(MachineState *machine) bios_size = -1; } if ((bios_size < 0 || bios_size > BIOS_SIZE) && - !kernel_filename && !qtest_enabled()) { + bios_name && !qtest_enabled()) { /* Bail out if we have neither a kernel image nor boot vector code. */ - error_report("Could not load MIPS bios '%s', and no " - "-kernel argument was specified", bios_name); + error_report("Could not load MIPS bios '%s'", bios_name); exit(1); } else { /* We have a boot vector start address. */ |