Add support for -prom-env command line options
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6129 c046a42c-6fe2-441c-8c8c-71466251a162
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@ -23,6 +23,8 @@
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* THE SOFTWARE.
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*/
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#include "hw.h"
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#include "firmware_abi.h"
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#include "sysemu.h"
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#include "ppc_mac.h"
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/* debug NVR */
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@ -122,26 +124,35 @@ void macio_nvram_map (void *opaque, target_phys_addr_t mem_base)
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cpu_register_physical_memory(mem_base, s->size, s->mem_index);
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}
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static uint8_t nvram_chksum (const uint8_t *buf, int n)
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{
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int sum, i;
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sum = 0;
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for(i = 0; i < n; i++)
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sum += buf[i];
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return (sum & 0xff) + (sum >> 8);
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}
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/* set a free Mac OS NVRAM partition */
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/* Set up a system OpenBIOS NVRAM partition */
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void pmac_format_nvram_partition (MacIONVRAMState *nvr, int len)
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{
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uint8_t *buf;
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char partition_name[12] = "wwwwwwwwwwww";
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unsigned int i;
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uint32_t start = 0, end;
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struct OpenBIOS_nvpart_v1 *part_header;
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buf = nvr->data;
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buf[0] = 0x7f; /* free partition magic */
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buf[1] = 0; /* checksum */
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buf[2] = len >> 8;
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buf[3] = len;
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memcpy(buf + 4, partition_name, 12);
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buf[1] = nvram_chksum(buf, 16);
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// OpenBIOS nvram variables
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// Variable partition
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part_header = (struct OpenBIOS_nvpart_v1 *)nvr->data;
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part_header->signature = OPENBIOS_PART_SYSTEM;
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pstrcpy(part_header->name, sizeof(part_header->name), "system");
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end = start + sizeof(struct OpenBIOS_nvpart_v1);
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for (i = 0; i < nb_prom_envs; i++)
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end = OpenBIOS_set_var(nvr->data, end, prom_envs[i]);
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// End marker
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nvr->data[end++] = '\0';
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end = start + ((end - start + 15) & ~15);
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OpenBIOS_finish_partition(part_header, end - start);
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// free partition
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start = end;
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part_header = (struct OpenBIOS_nvpart_v1 *)&nvr->data[start];
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part_header->signature = OPENBIOS_PART_FREE;
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pstrcpy(part_header->name, sizeof(part_header->name), "free");
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end = len;
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OpenBIOS_finish_partition(part_header, end - start);
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}
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@ -2343,6 +2343,18 @@ The following options are specific to the PowerPC emulation:
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Set the initial VGA graphic mode. The default is 800x600x15.
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@item -prom-env string
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Set OpenBIOS variables in NVRAM, for example:
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@example
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qemu-system-ppc -prom-env 'auto-boot?=false' \
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-prom-env 'boot-device=hd:2,\yaboot' \
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-prom-env 'boot-args=conf=hd:2,\yaboot.conf'
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@end example
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These variables are not used by Open Hack'Ware.
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@end table
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@c man end
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2
sysemu.h
2
sysemu.h
@ -108,7 +108,7 @@ extern int kqemu_allowed;
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extern const char *option_rom[MAX_OPTION_ROMS];
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extern int nb_option_roms;
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#ifdef TARGET_SPARC
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#if defined(TARGET_SPARC) || defined(TARGET_PPC)
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#define MAX_PROM_ENVS 128
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extern const char *prom_envs[MAX_PROM_ENVS];
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extern unsigned int nb_prom_envs;
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6
vl.c
6
vl.c
@ -231,7 +231,7 @@ int old_param = 0;
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#endif
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const char *qemu_name;
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int alt_grab = 0;
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#ifdef TARGET_SPARC
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#if defined(TARGET_SPARC) || defined(TARGET_PPC)
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unsigned int nb_prom_envs = 0;
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const char *prom_envs[MAX_PROM_ENVS];
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#endif
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@ -4185,7 +4185,7 @@ static const QEMUOption qemu_options[] = {
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{ "semihosting", 0, QEMU_OPTION_semihosting },
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#endif
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{ "name", HAS_ARG, QEMU_OPTION_name },
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#if defined(TARGET_SPARC)
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#if defined(TARGET_SPARC) || defined(TARGET_PPC)
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{ "prom-env", HAS_ARG, QEMU_OPTION_prom_env },
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#endif
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#if defined(TARGET_ARM)
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@ -5049,7 +5049,7 @@ int main(int argc, char **argv, char **envp)
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case QEMU_OPTION_name:
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qemu_name = optarg;
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break;
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#ifdef TARGET_SPARC
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#if defined(TARGET_SPARC) || defined(TARGET_PPC)
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case QEMU_OPTION_prom_env:
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if (nb_prom_envs >= MAX_PROM_ENVS) {
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fprintf(stderr, "Too many prom variables\n");
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