diff options
Diffstat (limited to 'hw/s390x/ipl.c')
| -rw-r--r-- | hw/s390x/ipl.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/hw/s390x/ipl.c b/hw/s390x/ipl.c index 79f5a58adb..ee2039dc69 100644 --- a/hw/s390x/ipl.c +++ b/hw/s390x/ipl.c @@ -23,6 +23,9 @@ #include "hw/s390x/ebcdic.h" #include "ipl.h" #include "qemu/error-report.h" +#include "qemu/config-file.h" +#include "qemu/cutils.h" +#include "qemu/option.h" #define KERN_IMAGE_START 0x010000UL #define KERN_PARM_AREA 0x010480UL @@ -219,6 +222,54 @@ static Property s390_ipl_properties[] = { DEFINE_PROP_END_OF_LIST(), }; +static void s390_ipl_set_boot_menu(S390IPLState *ipl) +{ + QemuOptsList *plist = qemu_find_opts("boot-opts"); + QemuOpts *opts = QTAILQ_FIRST(&plist->head); + uint8_t *flags = &ipl->qipl.qipl_flags; + uint32_t *timeout = &ipl->qipl.boot_menu_timeout; + const char *tmp; + unsigned long splash_time = 0; + + if (!get_boot_device(0)) { + if (boot_menu) { + error_report("boot menu requires a bootindex to be specified for " + "the IPL device."); + } + return; + } + + switch (ipl->iplb.pbt) { + case S390_IPL_TYPE_CCW: + break; + default: + error_report("boot menu is not supported for this device type."); + return; + } + + if (!boot_menu) { + return; + } + + *flags |= QIPL_FLAG_BM_OPTS_CMD; + + tmp = qemu_opt_get(opts, "splash-time"); + + if (tmp && qemu_strtoul(tmp, NULL, 10, &splash_time)) { + error_report("splash-time is invalid, forcing it to 0."); + *timeout = 0; + return; + } + + if (splash_time > 0xffffffff) { + error_report("splash-time is too large, forcing it to max value."); + *timeout = 0xffffffff; + return; + } + + *timeout = cpu_to_be32(splash_time); +} + static bool s390_gen_initial_iplb(S390IPLState *ipl) { DeviceState *dev_st; @@ -435,6 +486,7 @@ void s390_ipl_prepare_cpu(S390CPU *cpu) } ipl->qipl.netboot_start_addr = cpu_to_be64(ipl->start_addr); } + s390_ipl_set_boot_menu(ipl); s390_ipl_prepare_qipl(cpu); } |