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Allow boot without a drive on Sparc machines (partly extracted from Xen)

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4997 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
blueswir1 2008-08-12 15:58:35 +00:00
parent 66de733bdb
commit f88e4b91be
4 changed files with 16 additions and 2 deletions
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1
hw/boards.h
View File

@ -16,6 +16,7 @@ typedef struct QEMUMachine {
QEMUMachineInitFunc *init;
#define RAMSIZE_FIXED (1 << 0)
ram_addr_t ram_require;
int nodisk_ok;
struct QEMUMachine *next;
} QEMUMachine;

12
hw/sun4m.c
View File

@ -1242,6 +1242,7 @@ QEMUMachine ss5_machine = {
.desc = "Sun4m platform, SPARCstation 5",
.init = ss5_init,
.ram_require = PROM_SIZE_MAX + TCX_SIZE,
.nodisk_ok = 1,
};
QEMUMachine ss10_machine = {
@ -1249,6 +1250,7 @@ QEMUMachine ss10_machine = {
.desc = "Sun4m platform, SPARCstation 10",
.init = ss10_init,
.ram_require = PROM_SIZE_MAX + TCX_SIZE,
.nodisk_ok = 1,
};
QEMUMachine ss600mp_machine = {
@ -1256,6 +1258,7 @@ QEMUMachine ss600mp_machine = {
.desc = "Sun4m platform, SPARCserver 600MP",
.init = ss600mp_init,
.ram_require = PROM_SIZE_MAX + TCX_SIZE,
.nodisk_ok = 1,
};
QEMUMachine ss20_machine = {
@ -1263,6 +1266,7 @@ QEMUMachine ss20_machine = {
.desc = "Sun4m platform, SPARCstation 20",
.init = ss20_init,
.ram_require = PROM_SIZE_MAX + TCX_SIZE,
.nodisk_ok = 1,
};
QEMUMachine ss2_machine = {
@ -1270,6 +1274,7 @@ QEMUMachine ss2_machine = {
.desc = "Sun4c platform, SPARCstation 2",
.init = ss2_init,
.ram_require = PROM_SIZE_MAX + TCX_SIZE,
.nodisk_ok = 1,
};
QEMUMachine voyager_machine = {
@ -1277,6 +1282,7 @@ QEMUMachine voyager_machine = {
.desc = "Sun4m platform, SPARCstation Voyager",
.init = vger_init,
.ram_require = PROM_SIZE_MAX + TCX_SIZE,
.nodisk_ok = 1,
};
QEMUMachine ss_lx_machine = {
@ -1284,6 +1290,7 @@ QEMUMachine ss_lx_machine = {
.desc = "Sun4m platform, SPARCstation LX",
.init = ss_lx_init,
.ram_require = PROM_SIZE_MAX + TCX_SIZE,
.nodisk_ok = 1,
};
QEMUMachine ss4_machine = {
@ -1291,6 +1298,7 @@ QEMUMachine ss4_machine = {
.desc = "Sun4m platform, SPARCstation 4",
.init = ss4_init,
.ram_require = PROM_SIZE_MAX + TCX_SIZE,
.nodisk_ok = 1,
};
QEMUMachine scls_machine = {
@ -1298,6 +1306,7 @@ QEMUMachine scls_machine = {
.desc = "Sun4m platform, SPARCClassic",
.init = scls_init,
.ram_require = PROM_SIZE_MAX + TCX_SIZE,
.nodisk_ok = 1,
};
QEMUMachine sbook_machine = {
@ -1305,6 +1314,7 @@ QEMUMachine sbook_machine = {
.desc = "Sun4m platform, SPARCbook",
.init = sbook_init,
.ram_require = PROM_SIZE_MAX + TCX_SIZE,
.nodisk_ok = 1,
};
static const struct sun4d_hwdef sun4d_hwdefs[] = {
@ -1542,6 +1552,7 @@ QEMUMachine ss1000_machine = {
.desc = "Sun4d platform, SPARCserver 1000",
.init = ss1000_init,
.ram_require = PROM_SIZE_MAX + TCX_SIZE,
.nodisk_ok = 1,
};
QEMUMachine ss2000_machine = {
@ -1549,4 +1560,5 @@ QEMUMachine ss2000_machine = {
.desc = "Sun4d platform, SPARCcenter 2000",
.init = ss2000_init,
.ram_require = PROM_SIZE_MAX + TCX_SIZE,
.nodisk_ok = 1,
};

2
hw/sun4u.c
View File

@ -450,6 +450,7 @@ QEMUMachine sun4u_machine = {
.desc = "Sun4u platform",
.init = sun4u_init,
.ram_require = PROM_SIZE_MAX + VGA_RAM_SIZE,
.nodisk_ok = 1,
};
QEMUMachine sun4v_machine = {
@ -457,4 +458,5 @@ QEMUMachine sun4v_machine = {
.desc = "Sun4v platform",
.init = sun4v_init,
.ram_require = PROM_SIZE_MAX + VGA_RAM_SIZE,
.nodisk_ok = 1,
};

3
vl.c
View File

@ -8879,9 +8879,8 @@ int main(int argc, char **argv)
linux_boot = (kernel_filename != NULL);
net_boot = (boot_devices_bitmap >> ('n' - 'a')) & 0xF;
/* XXX: this should not be: some embedded targets just have flash */
if (!linux_boot && net_boot == 0 &&
nb_drives_opt == 0)
!machine->nodisk_ok && nb_drives_opt == 0)
help(1);
if (!linux_boot && *kernel_cmdline != '\0') {