diff options
| -rw-r--r-- | src/parisc/parisc.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/src/parisc/parisc.c b/src/parisc/parisc.c index 2e8f25c..9efca29 100644 --- a/src/parisc/parisc.c +++ b/src/parisc/parisc.c @@ -53,13 +53,24 @@ union { } pim_toc_data[HPPA_MAX_CPUS] __VISIBLE __aligned(8); #if defined(__LP64__) -# define is_64bit() 1 /* 64-bit PDC */ -# define cpu_bit_width 64 +# define cpu_bit_width 64 +# define is_64bit_PDC() 1 /* 64-bit PDC */ #else -# define is_64bit() 0 /* 32-bit PDC */ char cpu_bit_width; +# define is_64bit_PDC() 0 /* 32-bit PDC */ #endif +#define is_64bit() is_64bit_PDC() +#define is_64bit_CPU() (cpu_bit_width == 64) /* 64-bit CPU? */ + +/* running 64-bit PDC, but called from 32-bit app */ +#define is_compat_mode() (is_64bit_PDC() && ((psw_defaults & PDC_PSW_WIDE_BIT) == 0)) + +#define COMPAT_VAL(val) ((long)(int)(val)) // (is_compat_mode() ? (long)(int)(val) : (val)) + +/* Do not write back result buffer in compat mode */ +#define NO_COMPAT_RETURN_VALUE(res) { res = 0; } + u8 BiosChecksum; char zonefseg_start, zonefseg_end; // SYMBOLS @@ -140,8 +151,8 @@ unsigned long hppa_port_pci_data = (PCI_HPA + DINO_CONFIG_DATA); unsigned int show_boot_menu; unsigned int interact_ipl; -static int firmware_width_locked; -static unsigned long psw_defaults; +unsigned int __VISIBLE firmware_width_locked; /* no 64-bit calls allowed */ +unsigned int __VISIBLE psw_defaults; unsigned long PORT_QEMU_CFG_CTL; unsigned int tlb_entries = 256; |