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| author | Helge Deller <deller@gmx.de> | 2023-09-23 09:24:23 +0200 |
|---|---|---|
| committer | Helge Deller <deller@gmx.de> | 2023-09-23 09:24:23 +0200 |
| commit | 73bdddba4ebedbdcb87fdcf7e63a96c73c3606f4 (patch) | |
| tree | b228573c8f3a4b6412c13f3c11c8afec8b165c20 | |
| parent | d23295586a8c8e8e53ac2c04bcc10b505f486741 (diff) | |
| download | seabios-hppa-73bdddba4ebedbdcb87fdcf7e63a96c73c3606f4.zip seabios-hppa-73bdddba4ebedbdcb87fdcf7e63a96c73c3606f4.tar.gz seabios-hppa-73bdddba4ebedbdcb87fdcf7e63a96c73c3606f4.tar.bz2 | |
detect CPU bit width
| -rw-r--r-- | src/parisc/parisc.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/src/parisc/parisc.c b/src/parisc/parisc.c index edf15a1..1b2b3dc 100644 --- a/src/parisc/parisc.c +++ b/src/parisc/parisc.c @@ -118,6 +118,7 @@ int sti_font; char qemu_version[16] = "unknown version"; char qemu_machine[16] = "B160L"; +char cpu_bit_width; /* Want PDC boot menu? Enable via qemu "-boot menu=on" option. */ unsigned int show_boot_menu; @@ -2326,9 +2327,13 @@ void __VISIBLE start_parisc_firmware(void) chassis_code = 0; + // detect if we emulate a 32- or 64-bit CPU + asm("mtctl %0,%%cr11 ! mfctl %%cr11,%0\n" : "=&r" (i) : "0" (-1)); + cpu_bit_width = (i == 63) ? 64 : 32; + cpu_hz = 100 * PAGE0->mem_10msec; /* Hz of this PARISC */ - dprintf(1, "\nPARISC SeaBIOS Firmware, %d x PA7300LC (PCX-L2) at %d.%06d MHz, %d MB RAM.\n", - smp_cpus, cpu_hz / 1000000, cpu_hz % 1000000, + dprintf(1, "\nPARISC SeaBIOS Firmware, %d x %d-bit PA-RISC CPU at %d.%06d MHz, %d MB RAM.\n", + smp_cpus, cpu_bit_width, cpu_hz / 1000000, cpu_hz % 1000000, ram_size/1024/1024); if (ram_size < MIN_RAM_SIZE) { @@ -2368,8 +2373,10 @@ void __VISIBLE start_parisc_firmware(void) " MHz %s Functional 0 KB\n", i < 10 ? " ":"", i, i?"Idle ":"Active"); printf("\n\n"); - printf(" Available memory: %u MB\n" + printf(" CPU arch: %d-bit (%s)\n" + " Available memory: %u MB\n" " Good memory required: %d MB\n\n", + cpu_bit_width, (cpu_bit_width == 64) ? "PA2.0" : "PA1.1", ram_size/1024/1024, MIN_RAM_SIZE/1024/1024); // search boot devices |