diff options
Diffstat (limited to 'src/cpu')
| -rw-r--r-- | src/cpu/amd/model_gx2/vsmsetup.c | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/src/cpu/amd/model_gx2/vsmsetup.c b/src/cpu/amd/model_gx2/vsmsetup.c index f981932a7b..69470d5b2b 100644 --- a/src/cpu/amd/model_gx2/vsmsetup.c +++ b/src/cpu/amd/model_gx2/vsmsetup.c @@ -194,8 +194,9 @@ static void real_mode_switch_call_vsm(unsigned long smm, unsigned long sysm) /* Dump zeros in the other segregs */ " mov %ax, %es \n" - " mov %ax, %fs \n" - " mov %ax, %gs \n" + /* FixMe: Big real mode for gs, fs? */ + //" mov %ax, %fs \n" + //" mov %ax, %gs \n" " mov $0x40, %ax \n" " mov %ax, %ds \n" " mov %cx, %ax \n" @@ -256,13 +257,18 @@ void do_vsmbios(void) /* this is the base of rom on the GX2 at present. At some point, this has to be * much better parameterized */ - rom = 0xfff80000; + //rom = 0xfff80000; + rom = 0xfffc0000; buf = (unsigned char *) rom; - printk_debug("buf %p *buf %d buf[256k] %d\n", buf, buf[0], buf[256*1024]); - printk_debug("buf[0x20] signature is %x:%x:%x:%x\n", buf[0x20] ,buf[0x21] ,buf[0x22],buf[0x23]); - /* check for post code at start of vsainit.bin. If you don't see it, don't bother. */ - if ((buf[0x20] != 0xb0) || (buf[0x21] != 0x10) || (buf[0x22] != 0xe6) || (buf[0x23] != 0x80)) { + printk_debug("buf %p *buf %d buf[256k] %d\n", + buf, buf[0], buf[256*1024]); + printk_debug("buf[0x20] signature is %x:%x:%x:%x\n", + buf[0x20] ,buf[0x21] ,buf[0x22],buf[0x23]); + /* check for post code at start of vsainit.bin. If you don't see it, + don't bother. */ + if ((buf[0x20] != 0xb0) || (buf[0x21] != 0x10) || + (buf[0x22] != 0xe6) || (buf[0x23] != 0x80)) { printk_err("do_vsmbios: no vsainit.bin signature, skipping!\n"); return; } @@ -272,7 +278,6 @@ void do_vsmbios(void) /* ecx gets smm, edx gets sysm */ printk_err("Call real_mode_switch_call_vsm\n"); real_mode_switch_call_vsm(0x10000026, 0x10000028); - } @@ -351,7 +356,7 @@ void callbiosint(void) // - provides us with a temp for the %cr0 mods. " pushl %eax \n" " movb $0xbb, %al\n" - " outb %al, $0x80\n" + " outb %al, $0x80\n" " movl %cr0, %eax\n" " orl $0x00000001, %eax\n" /* PE = 1 */ " movl %eax, %cr0\n" @@ -365,8 +370,8 @@ void callbiosint(void) " mov %ax, %fs \n" " mov %ax, %gs \n" " mov %ax, %ss \n" - " lidt idtarg \n" - " call biosint \n" + " lidt idtarg \n" + " call biosint \n" // back to real mode ... " ljmp $0x28, $__rms_16bit2\n" "__rms_16bit2: \n" @@ -454,7 +459,7 @@ int biosint(unsigned long intnumber, unsigned long cs; unsigned long flags; int ret = -1; - + ip = cs_ip & 0xffff; cs = cs_ip >> 16; flags = stackflags; @@ -466,6 +471,8 @@ int biosint(unsigned long intnumber, ebp, esp, edi, esi); printk_debug("biosint: ip 0x%x cs 0x%x flags 0x%x\n", ip, cs, flags); + printk_debug("biosint: gs 0x%x fs 0x%x ds 0x%x es 0x%x\n", + gsfs >> 16, gsfs & 0xffff, dses >> 16, dses & 0xffff); // cases in a good compiler are just as good as your own tables. switch (intnumber) { |