diff options
| author | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2005-03-01 21:51:04 +0000 |
|---|---|---|
| committer | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2005-03-01 21:51:04 +0000 |
| commit | b6f479d355a5391e0ac939a17e9175473e6516d1 (patch) | |
| tree | 5e51057babeec6f17c1b074190515f6325ffdfd4 /hw | |
| parent | 1289f43ab16f9a012fb3698bcc5c92e61c10cd34 (diff) | |
-append support (Blue Swirl)
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1316 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/sun4m.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/hw/sun4m.c b/hw/sun4m.c index 7843799836..0af062d967 100644 --- a/hw/sun4m.c +++ b/hw/sun4m.c @@ -25,6 +25,7 @@ #include "m48t08.h" #define KERNEL_LOAD_ADDR 0x00004000 +#define CMDLINE_ADDR 0x007ff000 #define INITRD_LOAD_ADDR 0x00800000 #define PROM_ADDR 0xffd00000 #define PROM_FILENAMEB "proll.bin" @@ -64,11 +65,28 @@ void DMA_run() {} static m48t08_t *nvram; -static void nvram_init(m48t08_t *nvram, uint8_t *macaddr) +static void nvram_init(m48t08_t *nvram, uint8_t *macaddr, const char *cmdline) { unsigned char tmp = 0; int i, j; + i = 0x40; + if (cmdline) { + uint32_t cmdline_len; + + strcpy(phys_ram_base + CMDLINE_ADDR, cmdline); + m48t08_write(nvram, i++, CMDLINE_ADDR >> 24); + m48t08_write(nvram, i++, (CMDLINE_ADDR >> 16) & 0xff); + m48t08_write(nvram, i++, (CMDLINE_ADDR >> 8) & 0xff); + m48t08_write(nvram, i++, CMDLINE_ADDR & 0xff); + + cmdline_len = strlen(cmdline); + m48t08_write(nvram, i++, cmdline_len >> 24); + m48t08_write(nvram, i++, (cmdline_len >> 16) & 0xff); + m48t08_write(nvram, i++, (cmdline_len >> 8) & 0xff); + m48t08_write(nvram, i++, cmdline_len & 0xff); + } + i = 0x1fd8; m48t08_write(nvram, i++, 0x01); m48t08_write(nvram, i++, 0x80); /* Sun4m OBP */ @@ -149,7 +167,7 @@ void sun4m_init(int ram_size, int vga_ram_size, int boot_device, tcx = tcx_init(ds, PHYS_JJ_TCX_FB, phys_ram_base + ram_size, ram_size, vram_size); lance_init(&nd_table[0], PHYS_JJ_LE_IRQ, PHYS_JJ_LE, PHYS_JJ_LEDMA); nvram = m48t08_init(PHYS_JJ_EEPROM, PHYS_JJ_EEPROM_SIZE); - nvram_init(nvram, (uint8_t *)&nd_table[0].macaddr); + nvram_init(nvram, (uint8_t *)&nd_table[0].macaddr, kernel_cmdline); slavio_timer_init(PHYS_JJ_CLOCK, PHYS_JJ_CLOCK_IRQ, PHYS_JJ_CLOCK1, PHYS_JJ_CLOCK1_IRQ); slavio_serial_ms_kbd_init(PHYS_JJ_MS_KBD, PHYS_JJ_MS_KBD_IRQ); slavio_serial_init(PHYS_JJ_SER, PHYS_JJ_SER_IRQ, serial_hds[0], serial_hds[1]); |