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-rw-r--r--arch/sparc64/kernel/entry.S554
-rw-r--r--arch/sparc64/kernel/time.c32
-rw-r--r--arch/sparc64/mm/init.c41
3 files changed, 567 insertions, 60 deletions
diff --git a/arch/sparc64/kernel/entry.S b/arch/sparc64/kernel/entry.S
index f8cc3c0731c7..8f10dda0f5c0 100644
--- a/arch/sparc64/kernel/entry.S
+++ b/arch/sparc64/kernel/entry.S
@@ -1725,96 +1725,142 @@ real_hard_smp_processor_id:
1725 * returns %o0: sysino 1725 * returns %o0: sysino
1726 */ 1726 */
1727 .globl sun4v_devino_to_sysino 1727 .globl sun4v_devino_to_sysino
1728 .type sun4v_devino_to_sysino,#function
1728sun4v_devino_to_sysino: 1729sun4v_devino_to_sysino:
1729 mov HV_FAST_INTR_DEVINO2SYSINO, %o5 1730 mov HV_FAST_INTR_DEVINO2SYSINO, %o5
1730 ta HV_FAST_TRAP 1731 ta HV_FAST_TRAP
1731 retl 1732 retl
1732 mov %o1, %o0 1733 mov %o1, %o0
1734 .size sun4v_devino_to_sysino, .-sun4v_devino_to_sysino
1733 1735
1734 /* %o0: sysino 1736 /* %o0: sysino
1735 * 1737 *
1736 * returns %o0: intr_enabled (HV_INTR_{DISABLED,ENABLED}) 1738 * returns %o0: intr_enabled (HV_INTR_{DISABLED,ENABLED})
1737 */ 1739 */
1738 .globl sun4v_intr_getenabled 1740 .globl sun4v_intr_getenabled
1741 .type sun4v_intr_getenabled,#function
1739sun4v_intr_getenabled: 1742sun4v_intr_getenabled:
1740 mov HV_FAST_INTR_GETENABLED, %o5 1743 mov HV_FAST_INTR_GETENABLED, %o5
1741 ta HV_FAST_TRAP 1744 ta HV_FAST_TRAP
1742 retl 1745 retl
1743 mov %o1, %o0 1746 mov %o1, %o0
1747 .size sun4v_intr_getenabled, .-sun4v_intr_getenabled
1744 1748
1745 /* %o0: sysino 1749 /* %o0: sysino
1746 * %o1: intr_enabled (HV_INTR_{DISABLED,ENABLED}) 1750 * %o1: intr_enabled (HV_INTR_{DISABLED,ENABLED})
1747 */ 1751 */
1748 .globl sun4v_intr_setenabled 1752 .globl sun4v_intr_setenabled
1753 .type sun4v_intr_setenabled,#function
1749sun4v_intr_setenabled: 1754sun4v_intr_setenabled:
1750 mov HV_FAST_INTR_SETENABLED, %o5 1755 mov HV_FAST_INTR_SETENABLED, %o5
1751 ta HV_FAST_TRAP 1756 ta HV_FAST_TRAP
1752 retl 1757 retl
1753 nop 1758 nop
1759 .size sun4v_intr_setenabled, .-sun4v_intr_setenabled
1754 1760
1755 /* %o0: sysino 1761 /* %o0: sysino
1756 * 1762 *
1757 * returns %o0: intr_state (HV_INTR_STATE_*) 1763 * returns %o0: intr_state (HV_INTR_STATE_*)
1758 */ 1764 */
1759 .globl sun4v_intr_getstate 1765 .globl sun4v_intr_getstate
1766 .type sun4v_intr_getstate,#function
1760sun4v_intr_getstate: 1767sun4v_intr_getstate:
1761 mov HV_FAST_INTR_GETSTATE, %o5 1768 mov HV_FAST_INTR_GETSTATE, %o5
1762 ta HV_FAST_TRAP 1769 ta HV_FAST_TRAP
1763 retl 1770 retl
1764 mov %o1, %o0 1771 mov %o1, %o0
1772 .size sun4v_intr_getstate, .-sun4v_intr_getstate
1765 1773
1766 /* %o0: sysino 1774 /* %o0: sysino
1767 * %o1: intr_state (HV_INTR_STATE_*) 1775 * %o1: intr_state (HV_INTR_STATE_*)
1768 */ 1776 */
1769 .globl sun4v_intr_setstate 1777 .globl sun4v_intr_setstate
1778 .type sun4v_intr_setstate,#function
1770sun4v_intr_setstate: 1779sun4v_intr_setstate:
1771 mov HV_FAST_INTR_SETSTATE, %o5 1780 mov HV_FAST_INTR_SETSTATE, %o5
1772 ta HV_FAST_TRAP 1781 ta HV_FAST_TRAP
1773 retl 1782 retl
1774 nop 1783 nop
1784 .size sun4v_intr_setstate, .-sun4v_intr_setstate
1775 1785
1776 /* %o0: sysino 1786 /* %o0: sysino
1777 * 1787 *
1778 * returns %o0: cpuid 1788 * returns %o0: cpuid
1779 */ 1789 */
1780 .globl sun4v_intr_gettarget 1790 .globl sun4v_intr_gettarget
1791 .type sun4v_intr_gettarget,#function
1781sun4v_intr_gettarget: 1792sun4v_intr_gettarget:
1782 mov HV_FAST_INTR_GETTARGET, %o5 1793 mov HV_FAST_INTR_GETTARGET, %o5
1783 ta HV_FAST_TRAP 1794 ta HV_FAST_TRAP
1784 retl 1795 retl
1785 mov %o1, %o0 1796 mov %o1, %o0
1797 .size sun4v_intr_gettarget, .-sun4v_intr_gettarget
1786 1798
1787 /* %o0: sysino 1799 /* %o0: sysino
1788 * %o1: cpuid 1800 * %o1: cpuid
1789 */ 1801 */
1790 .globl sun4v_intr_settarget 1802 .globl sun4v_intr_settarget
1803 .type sun4v_intr_settarget,#function
1791sun4v_intr_settarget: 1804sun4v_intr_settarget:
1792 mov HV_FAST_INTR_SETTARGET, %o5 1805 mov HV_FAST_INTR_SETTARGET, %o5
1793 ta HV_FAST_TRAP 1806 ta HV_FAST_TRAP
1794 retl 1807 retl
1795 nop 1808 nop
1809 .size sun4v_intr_settarget, .-sun4v_intr_settarget
1796 1810
1797 /* %o0: type 1811 /* %o0: cpuid
1798 * %o1: queue paddr 1812 * %o1: pc
1799 * %o2: num queue entries 1813 * %o2: rtba
1814 * %o3: arg0
1800 * 1815 *
1801 * returns %o0: status 1816 * returns %o0: status
1802 */ 1817 */
1803 .globl sun4v_cpu_qconf 1818 .globl sun4v_cpu_start
1804sun4v_cpu_qconf: 1819 .type sun4v_cpu_start,#function
1805 mov HV_FAST_CPU_QCONF, %o5 1820sun4v_cpu_start:
1821 mov HV_FAST_CPU_START, %o5
1806 ta HV_FAST_TRAP 1822 ta HV_FAST_TRAP
1807 retl 1823 retl
1808 nop 1824 nop
1825 .size sun4v_cpu_start, .-sun4v_cpu_start
1809 1826
1810 /* returns %o0: status 1827 /* %o0: cpuid
1828 *
1829 * returns %o0: status
1811 */ 1830 */
1831 .globl sun4v_cpu_stop
1832 .type sun4v_cpu_stop,#function
1833sun4v_cpu_stop:
1834 mov HV_FAST_CPU_STOP, %o5
1835 ta HV_FAST_TRAP
1836 retl
1837 nop
1838 .size sun4v_cpu_stop, .-sun4v_cpu_stop
1839
1840 /* returns %o0: status */
1812 .globl sun4v_cpu_yield 1841 .globl sun4v_cpu_yield
1842 .type sun4v_cpu_yield, #function
1813sun4v_cpu_yield: 1843sun4v_cpu_yield:
1814 mov HV_FAST_CPU_YIELD, %o5 1844 mov HV_FAST_CPU_YIELD, %o5
1815 ta HV_FAST_TRAP 1845 ta HV_FAST_TRAP
1816 retl 1846 retl
1817 nop 1847 nop
1848 .size sun4v_cpu_yield, .-sun4v_cpu_yield
1849
1850 /* %o0: type
1851 * %o1: queue paddr
1852 * %o2: num queue entries
1853 *
1854 * returns %o0: status
1855 */
1856 .globl sun4v_cpu_qconf
1857 .type sun4v_cpu_qconf,#function
1858sun4v_cpu_qconf:
1859 mov HV_FAST_CPU_QCONF, %o5
1860 ta HV_FAST_TRAP
1861 retl
1862 nop
1863 .size sun4v_cpu_qconf, .-sun4v_cpu_qconf
1818 1864
1819 /* %o0: num cpus in cpu list 1865 /* %o0: num cpus in cpu list
1820 * %o1: cpu list paddr 1866 * %o1: cpu list paddr
@@ -1823,11 +1869,13 @@ sun4v_cpu_yield:
1823 * returns %o0: status 1869 * returns %o0: status
1824 */ 1870 */
1825 .globl sun4v_cpu_mondo_send 1871 .globl sun4v_cpu_mondo_send
1872 .type sun4v_cpu_mondo_send,#function
1826sun4v_cpu_mondo_send: 1873sun4v_cpu_mondo_send:
1827 mov HV_FAST_CPU_MONDO_SEND, %o5 1874 mov HV_FAST_CPU_MONDO_SEND, %o5
1828 ta HV_FAST_TRAP 1875 ta HV_FAST_TRAP
1829 retl 1876 retl
1830 nop 1877 nop
1878 .size sun4v_cpu_mondo_send, .-sun4v_cpu_mondo_send
1831 1879
1832 /* %o0: CPU ID 1880 /* %o0: CPU ID
1833 * 1881 *
@@ -1835,6 +1883,7 @@ sun4v_cpu_mondo_send:
1835 * %o0: cpu state as HV_CPU_STATE_* 1883 * %o0: cpu state as HV_CPU_STATE_*
1836 */ 1884 */
1837 .globl sun4v_cpu_state 1885 .globl sun4v_cpu_state
1886 .type sun4v_cpu_state,#function
1838sun4v_cpu_state: 1887sun4v_cpu_state:
1839 mov HV_FAST_CPU_STATE, %o5 1888 mov HV_FAST_CPU_STATE, %o5
1840 ta HV_FAST_TRAP 1889 ta HV_FAST_TRAP
@@ -1843,6 +1892,37 @@ sun4v_cpu_state:
1843 mov %o1, %o0 1892 mov %o1, %o0
18441: retl 18931: retl
1845 nop 1894 nop
1895 .size sun4v_cpu_state, .-sun4v_cpu_state
1896
1897 /* %o0: virtual address
1898 * %o1: must be zero
1899 * %o2: TTE
1900 * %o3: HV_MMU_* flags
1901 *
1902 * returns %o0: status
1903 */
1904 .globl sun4v_mmu_map_perm_addr
1905 .type sun4v_mmu_map_perm_addr,#function
1906sun4v_mmu_map_perm_addr:
1907 mov HV_FAST_MMU_MAP_PERM_ADDR, %o5
1908 ta HV_FAST_TRAP
1909 retl
1910 nop
1911 .size sun4v_mmu_map_perm_addr, .-sun4v_mmu_map_perm_addr
1912
1913 /* %o0: number of TSB descriptions
1914 * %o1: TSB descriptions real address
1915 *
1916 * returns %o0: status
1917 */
1918 .globl sun4v_mmu_tsb_ctx0
1919 .type sun4v_mmu_tsb_ctx0,#function
1920sun4v_mmu_tsb_ctx0:
1921 mov HV_FAST_MMU_TSB_CTX0, %o5
1922 ta HV_FAST_TRAP
1923 retl
1924 nop
1925 .size sun4v_mmu_tsb_ctx0, .-sun4v_mmu_tsb_ctx0
1846 1926
1847 /* %o0: API group number 1927 /* %o0: API group number
1848 * %o1: pointer to unsigned long major number storage 1928 * %o1: pointer to unsigned long major number storage
@@ -1851,6 +1931,7 @@ sun4v_cpu_state:
1851 * returns %o0: status 1931 * returns %o0: status
1852 */ 1932 */
1853 .globl sun4v_get_version 1933 .globl sun4v_get_version
1934 .type sun4v_get_version,#function
1854sun4v_get_version: 1935sun4v_get_version:
1855 mov HV_CORE_GET_VER, %o5 1936 mov HV_CORE_GET_VER, %o5
1856 mov %o1, %o3 1937 mov %o1, %o3
@@ -1859,6 +1940,7 @@ sun4v_get_version:
1859 stx %o1, [%o3] 1940 stx %o1, [%o3]
1860 retl 1941 retl
1861 stx %o2, [%o4] 1942 stx %o2, [%o4]
1943 .size sun4v_get_version, .-sun4v_get_version
1862 1944
1863 /* %o0: API group number 1945 /* %o0: API group number
1864 * %o1: desired major number 1946 * %o1: desired major number
@@ -1868,18 +1950,49 @@ sun4v_get_version:
1868 * returns %o0: status 1950 * returns %o0: status
1869 */ 1951 */
1870 .globl sun4v_set_version 1952 .globl sun4v_set_version
1953 .type sun4v_set_version,#function
1871sun4v_set_version: 1954sun4v_set_version:
1872 mov HV_CORE_SET_VER, %o5 1955 mov HV_CORE_SET_VER, %o5
1873 mov %o3, %o4 1956 mov %o3, %o4
1874 ta HV_CORE_TRAP 1957 ta HV_CORE_TRAP
1875 retl 1958 retl
1876 stx %o1, [%o4] 1959 stx %o1, [%o4]
1960 .size sun4v_set_version, .-sun4v_set_version
1961
1962 /* %o0: pointer to unsigned long time
1963 *
1964 * returns %o0: status
1965 */
1966 .globl sun4v_tod_get
1967 .type sun4v_tod_get,#function
1968sun4v_tod_get:
1969 mov %o0, %o4
1970 mov HV_FAST_TOD_GET, %o5
1971 ta HV_FAST_TRAP
1972 stx %o1, [%o4]
1973 retl
1974 nop
1975 .size sun4v_tod_get, .-sun4v_tod_get
1976
1977 /* %o0: time
1978 *
1979 * returns %o0: status
1980 */
1981 .globl sun4v_tod_set
1982 .type sun4v_tod_set,#function
1983sun4v_tod_set:
1984 mov HV_FAST_TOD_SET, %o5
1985 ta HV_FAST_TRAP
1986 retl
1987 nop
1988 .size sun4v_tod_set, .-sun4v_tod_set
1877 1989
1878 /* %o0: pointer to unsigned long status 1990 /* %o0: pointer to unsigned long status
1879 * 1991 *
1880 * returns %o0: signed character 1992 * returns %o0: signed character
1881 */ 1993 */
1882 .globl sun4v_con_getchar 1994 .globl sun4v_con_getchar
1995 .type sun4v_con_getchar,#function
1883sun4v_con_getchar: 1996sun4v_con_getchar:
1884 mov %o0, %o4 1997 mov %o0, %o4
1885 mov HV_FAST_CONS_GETCHAR, %o5 1998 mov HV_FAST_CONS_GETCHAR, %o5
@@ -1889,17 +2002,20 @@ sun4v_con_getchar:
1889 stx %o0, [%o4] 2002 stx %o0, [%o4]
1890 retl 2003 retl
1891 sra %o1, 0, %o0 2004 sra %o1, 0, %o0
2005 .size sun4v_con_getchar, .-sun4v_con_getchar
1892 2006
1893 /* %o0: signed long character 2007 /* %o0: signed long character
1894 * 2008 *
1895 * returns %o0: status 2009 * returns %o0: status
1896 */ 2010 */
1897 .globl sun4v_con_putchar 2011 .globl sun4v_con_putchar
2012 .type sun4v_con_putchar,#function
1898sun4v_con_putchar: 2013sun4v_con_putchar:
1899 mov HV_FAST_CONS_PUTCHAR, %o5 2014 mov HV_FAST_CONS_PUTCHAR, %o5
1900 ta HV_FAST_TRAP 2015 ta HV_FAST_TRAP
1901 retl 2016 retl
1902 sra %o0, 0, %o0 2017 sra %o0, 0, %o0
2018 .size sun4v_con_putchar, .-sun4v_con_putchar
1903 2019
1904 /* %o0: buffer real address 2020 /* %o0: buffer real address
1905 * %o1: buffer size 2021 * %o1: buffer size
@@ -1908,6 +2024,7 @@ sun4v_con_putchar:
1908 * returns %o0: status 2024 * returns %o0: status
1909 */ 2025 */
1910 .globl sun4v_con_read 2026 .globl sun4v_con_read
2027 .type sun4v_con_read,#function
1911sun4v_con_read: 2028sun4v_con_read:
1912 mov %o2, %o4 2029 mov %o2, %o4
1913 mov HV_FAST_CONS_READ, %o5 2030 mov HV_FAST_CONS_READ, %o5
@@ -1922,6 +2039,7 @@ sun4v_con_read:
1922 stx %o1, [%o4] 2039 stx %o1, [%o4]
19231: retl 20401: retl
1924 nop 2041 nop
2042 .size sun4v_con_read, .-sun4v_con_read
1925 2043
1926 /* %o0: buffer real address 2044 /* %o0: buffer real address
1927 * %o1: buffer size 2045 * %o1: buffer size
@@ -1930,6 +2048,7 @@ sun4v_con_read:
1930 * returns %o0: status 2048 * returns %o0: status
1931 */ 2049 */
1932 .globl sun4v_con_write 2050 .globl sun4v_con_write
2051 .type sun4v_con_write,#function
1933sun4v_con_write: 2052sun4v_con_write:
1934 mov %o2, %o4 2053 mov %o2, %o4
1935 mov HV_FAST_CONS_WRITE, %o5 2054 mov HV_FAST_CONS_WRITE, %o5
@@ -1937,6 +2056,7 @@ sun4v_con_write:
1937 stx %o1, [%o4] 2056 stx %o1, [%o4]
1938 retl 2057 retl
1939 nop 2058 nop
2059 .size sun4v_con_write, .-sun4v_con_write
1940 2060
1941 /* %o0: soft state 2061 /* %o0: soft state
1942 * %o1: address of description string 2062 * %o1: address of description string
@@ -1944,13 +2064,35 @@ sun4v_con_write:
1944 * returns %o0: status 2064 * returns %o0: status
1945 */ 2065 */
1946 .globl sun4v_mach_set_soft_state 2066 .globl sun4v_mach_set_soft_state
2067 .type sun4v_mach_set_soft_state,#function
1947sun4v_mach_set_soft_state: 2068sun4v_mach_set_soft_state:
1948 mov HV_FAST_MACH_SET_SOFT_STATE, %o5 2069 mov HV_FAST_MACH_SET_SOFT_STATE, %o5
1949 ta HV_FAST_TRAP 2070 ta HV_FAST_TRAP
1950 retl 2071 retl
1951 nop 2072 nop
2073 .size sun4v_mach_set_soft_state, .-sun4v_mach_set_soft_state
1952 2074
2075 /* %o0: exit code
2076 *
2077 * Does not return.
2078 */
2079 .globl sun4v_mach_exit
2080 .type sun4v_mach_exit,#function
2081sun4v_mach_exit:
2082 mov HV_FAST_MACH_EXIT, %o5
2083 ta HV_FAST_TRAP
2084 retl
2085 nop
2086 .size sun4v_mach_exit, .-sun4v_mach_exit
2087
2088 /* %o0: buffer real address
2089 * %o1: buffer length
2090 * %o2: pointer to unsigned long real_buf_len
2091 *
2092 * returns %o0: status
2093 */
1953 .globl sun4v_mach_desc 2094 .globl sun4v_mach_desc
2095 .type sun4v_mach_desc,#function
1954sun4v_mach_desc: 2096sun4v_mach_desc:
1955 mov %o2, %o4 2097 mov %o2, %o4
1956 mov HV_FAST_MACH_DESC, %o5 2098 mov HV_FAST_MACH_DESC, %o5
@@ -1958,3 +2100,401 @@ sun4v_mach_desc:
1958 stx %o1, [%o4] 2100 stx %o1, [%o4]
1959 retl 2101 retl
1960 nop 2102 nop
2103 .size sun4v_mach_desc, .-sun4v_mach_desc
2104
2105 /* %o0: new timeout in milliseconds
2106 * %o1: pointer to unsigned long orig_timeout
2107 *
2108 * returns %o0: status
2109 */
2110 .globl sun4v_mach_set_watchdog
2111 .type sun4v_mach_set_watchdog,#function
2112sun4v_mach_set_watchdog:
2113 mov %o1, %o4
2114 mov HV_FAST_MACH_SET_WATCHDOG, %o5
2115 ta HV_FAST_TRAP
2116 stx %o1, [%o4]
2117 retl
2118 nop
2119 .size sun4v_mach_set_watchdog, .-sun4v_mach_set_watchdog
2120
2121 /* No inputs and does not return. */
2122 .globl sun4v_mach_sir
2123 .type sun4v_mach_sir,#function
2124sun4v_mach_sir:
2125 mov %o1, %o4
2126 mov HV_FAST_MACH_SIR, %o5
2127 ta HV_FAST_TRAP
2128 stx %o1, [%o4]
2129 retl
2130 nop
2131 .size sun4v_mach_sir, .-sun4v_mach_sir
2132
2133 /* %o0: channel
2134 * %o1: ra
2135 * %o2: num_entries
2136 *
2137 * returns %o0: status
2138 */
2139 .globl sun4v_ldc_tx_qconf
2140 .type sun4v_ldc_tx_qconf,#function
2141sun4v_ldc_tx_qconf:
2142 mov HV_FAST_LDC_TX_QCONF, %o5
2143 ta HV_FAST_TRAP
2144 retl
2145 nop
2146 .size sun4v_ldc_tx_qconf, .-sun4v_ldc_tx_qconf
2147
2148 /* %o0: channel
2149 * %o1: pointer to unsigned long ra
2150 * %o2: pointer to unsigned long num_entries
2151 *
2152 * returns %o0: status
2153 */
2154 .globl sun4v_ldc_tx_qinfo
2155 .type sun4v_ldc_tx_qinfo,#function
2156sun4v_ldc_tx_qinfo:
2157 mov %o1, %g1
2158 mov %o2, %g2
2159 mov HV_FAST_LDC_TX_QINFO, %o5
2160 ta HV_FAST_TRAP
2161 stx %o1, [%g1]
2162 stx %o2, [%g2]
2163 retl
2164 nop
2165 .size sun4v_ldc_tx_qinfo, .-sun4v_ldc_tx_qinfo
2166
2167 /* %o0: channel
2168 * %o1: pointer to unsigned long head_off
2169 * %o2: pointer to unsigned long tail_off
2170 * %o2: pointer to unsigned long chan_state
2171 *
2172 * returns %o0: status
2173 */
2174 .globl sun4v_ldc_tx_get_state
2175 .type sun4v_ldc_tx_get_state,#function
2176sun4v_ldc_tx_get_state:
2177 mov %o1, %g1
2178 mov %o2, %g2
2179 mov %o3, %g3
2180 mov HV_FAST_LDC_TX_GET_STATE, %o5
2181 ta HV_FAST_TRAP
2182 stx %o1, [%g1]
2183 stx %o2, [%g2]
2184 stx %o3, [%g3]
2185 retl
2186 nop
2187 .size sun4v_ldc_tx_get_state, .-sun4v_ldc_tx_get_state
2188
2189 /* %o0: channel
2190 * %o1: tail_off
2191 *
2192 * returns %o0: status
2193 */
2194 .globl sun4v_ldc_tx_set_qtail
2195 .type sun4v_ldc_tx_set_qtail,#function
2196sun4v_ldc_tx_set_qtail:
2197 mov HV_FAST_LDC_TX_SET_QTAIL, %o5
2198 ta HV_FAST_TRAP
2199 retl
2200 nop
2201 .size sun4v_ldc_tx_set_qtail, .-sun4v_ldc_tx_set_qtail
2202
2203 /* %o0: channel
2204 * %o1: ra
2205 * %o2: num_entries
2206 *
2207 * returns %o0: status
2208 */
2209 .globl sun4v_ldc_rx_qconf
2210 .type sun4v_ldc_rx_qconf,#function
2211sun4v_ldc_rx_qconf:
2212 mov HV_FAST_LDC_RX_QCONF, %o5
2213 ta HV_FAST_TRAP
2214 retl
2215 nop
2216 .size sun4v_ldc_rx_qconf, .-sun4v_ldc_rx_qconf
2217
2218 /* %o0: channel
2219 * %o1: pointer to unsigned long ra
2220 * %o2: pointer to unsigned long num_entries
2221 *
2222 * returns %o0: status
2223 */
2224 .globl sun4v_ldc_rx_qinfo
2225 .type sun4v_ldc_rx_qinfo,#function
2226sun4v_ldc_rx_qinfo:
2227 mov %o1, %g1
2228 mov %o2, %g2
2229 mov HV_FAST_LDC_RX_QINFO, %o5
2230 ta HV_FAST_TRAP
2231 stx %o1, [%g1]
2232 stx %o2, [%g2]
2233 retl
2234 nop
2235 .size sun4v_ldc_rx_qinfo, .-sun4v_ldc_rx_qinfo
2236
2237 /* %o0: channel
2238 * %o1: pointer to unsigned long head_off
2239 * %o2: pointer to unsigned long tail_off
2240 * %o2: pointer to unsigned long chan_state
2241 *
2242 * returns %o0: status
2243 */
2244 .globl sun4v_ldc_rx_get_state
2245 .type sun4v_ldc_rx_get_state,#function
2246sun4v_ldc_rx_get_state:
2247 mov %o1, %g1
2248 mov %o2, %g2
2249 mov %o3, %g3
2250 mov HV_FAST_LDC_RX_GET_STATE, %o5
2251 ta HV_FAST_TRAP
2252 stx %o1, [%g1]
2253 stx %o2, [%g2]
2254 stx %o3, [%g3]
2255 retl
2256 nop
2257 .size sun4v_ldc_rx_get_state, .-sun4v_ldc_rx_get_state
2258
2259 /* %o0: channel
2260 * %o1: head_off
2261 *
2262 * returns %o0: status
2263 */
2264 .globl sun4v_ldc_rx_set_qhead
2265 .type sun4v_ldc_rx_set_qhead,#function
2266sun4v_ldc_rx_set_qhead:
2267 mov HV_FAST_LDC_RX_SET_QHEAD, %o5
2268 ta HV_FAST_TRAP
2269 retl
2270 nop
2271 .size sun4v_ldc_rx_set_qhead, .-sun4v_ldc_rx_set_qhead
2272
2273 /* %o0: channel
2274 * %o1: ra
2275 * %o2: num_entries
2276 *
2277 * returns %o0: status
2278 */
2279 .globl sun4v_ldc_set_map_table
2280 .type sun4v_ldc_set_map_table,#function
2281sun4v_ldc_set_map_table:
2282 mov HV_FAST_LDC_SET_MAP_TABLE, %o5
2283 ta HV_FAST_TRAP
2284 retl
2285 nop
2286 .size sun4v_ldc_set_map_table, .-sun4v_ldc_set_map_table
2287
2288 /* %o0: channel
2289 * %o1: pointer to unsigned long ra
2290 * %o2: pointer to unsigned long num_entries
2291 *
2292 * returns %o0: status
2293 */
2294 .globl sun4v_ldc_get_map_table
2295 .type sun4v_ldc_get_map_table,#function
2296sun4v_ldc_get_map_table:
2297 mov %o1, %g1
2298 mov %o2, %g2
2299 mov HV_FAST_LDC_GET_MAP_TABLE, %o5
2300 ta HV_FAST_TRAP
2301 stx %o1, [%g1]
2302 stx %o2, [%g2]
2303 retl
2304 nop
2305 .size sun4v_ldc_get_map_table, .-sun4v_ldc_get_map_table
2306
2307 /* %o0: channel
2308 * %o1: dir_code
2309 * %o2: tgt_raddr
2310 * %o3: lcl_raddr
2311 * %o4: len
2312 * %o5: pointer to unsigned long actual_len
2313 *
2314 * returns %o0: status
2315 */
2316 .globl sun4v_ldc_copy
2317 .type sun4v_ldc_copy,#function
2318sun4v_ldc_copy:
2319 mov %o5, %g1
2320 mov HV_FAST_LDC_COPY, %o5
2321 ta HV_FAST_TRAP
2322 stx %o1, [%g1]
2323 retl
2324 nop
2325 .size sun4v_ldc_copy, .-sun4v_ldc_copy
2326
2327 /* %o0: channel
2328 * %o1: cookie
2329 * %o2: pointer to unsigned long ra
2330 * %o3: pointer to unsigned long perm
2331 *
2332 * returns %o0: status
2333 */
2334 .globl sun4v_ldc_mapin
2335 .type sun4v_ldc_mapin,#function
2336sun4v_ldc_mapin:
2337 mov %o2, %g1
2338 mov %o3, %g2
2339 mov HV_FAST_LDC_MAPIN, %o5
2340 ta HV_FAST_TRAP
2341 stx %o1, [%g1]
2342 stx %o2, [%g2]
2343 retl
2344 nop
2345 .size sun4v_ldc_mapin, .-sun4v_ldc_mapin
2346
2347 /* %o0: ra
2348 *
2349 * returns %o0: status
2350 */
2351 .globl sun4v_ldc_unmap
2352 .type sun4v_ldc_unmap,#function
2353sun4v_ldc_unmap:
2354 mov HV_FAST_LDC_UNMAP, %o5
2355 ta HV_FAST_TRAP
2356 retl
2357 nop
2358 .size sun4v_ldc_unmap, .-sun4v_ldc_unmap
2359
2360 /* %o0: cookie
2361 * %o1: mte_cookie
2362 *
2363 * returns %o0: status
2364 */
2365 .globl sun4v_ldc_revoke
2366 .type sun4v_ldc_revoke,#function
2367sun4v_ldc_revoke:
2368 mov HV_FAST_LDC_REVOKE, %o5
2369 ta HV_FAST_TRAP
2370 retl
2371 nop
2372 .size sun4v_ldc_revoke, .-sun4v_ldc_revoke
2373
2374 /* %o0: device handle
2375 * %o1: device INO
2376 * %o2: pointer to unsigned long cookie
2377 *
2378 * returns %o0: status
2379 */
2380 .globl sun4v_vintr_get_cookie
2381 .type sun4v_vintr_get_cookie,#function
2382sun4v_vintr_get_cookie:
2383 mov %o2, %g1
2384 mov HV_FAST_VINTR_GET_COOKIE, %o5
2385 ta HV_FAST_TRAP
2386 stx %o1, [%g1]
2387 retl
2388 nop
2389 .size sun4v_vintr_get_cookie, .-sun4v_vintr_get_cookie
2390
2391 /* %o0: device handle
2392 * %o1: device INO
2393 * %o2: cookie
2394 *
2395 * returns %o0: status
2396 */
2397 .globl sun4v_vintr_set_cookie
2398 .type sun4v_vintr_set_cookie,#function
2399sun4v_vintr_set_cookie:
2400 mov HV_FAST_VINTR_SET_COOKIE, %o5
2401 ta HV_FAST_TRAP
2402 retl
2403 nop
2404 .size sun4v_vintr_set_cookie, .-sun4v_vintr_set_cookie
2405
2406 /* %o0: device handle
2407 * %o1: device INO
2408 * %o2: pointer to unsigned long valid_state
2409 *
2410 * returns %o0: status
2411 */
2412 .globl sun4v_vintr_get_valid
2413 .type sun4v_vintr_get_valid,#function
2414sun4v_vintr_get_valid:
2415 mov %o2, %g1
2416 mov HV_FAST_VINTR_GET_VALID, %o5
2417 ta HV_FAST_TRAP
2418 stx %o1, [%g1]
2419 retl
2420 nop
2421 .size sun4v_vintr_get_valid, .-sun4v_vintr_get_valid
2422
2423 /* %o0: device handle
2424 * %o1: device INO
2425 * %o2: valid_state
2426 *
2427 * returns %o0: status
2428 */
2429 .globl sun4v_vintr_set_valid
2430 .type sun4v_vintr_set_valid,#function
2431sun4v_vintr_set_valid:
2432 mov HV_FAST_VINTR_SET_VALID, %o5
2433 ta HV_FAST_TRAP
2434 retl
2435 nop
2436 .size sun4v_vintr_set_valid, .-sun4v_vintr_set_valid
2437
2438 /* %o0: device handle
2439 * %o1: device INO
2440 * %o2: pointer to unsigned long state
2441 *
2442 * returns %o0: status
2443 */
2444 .globl sun4v_vintr_get_state
2445 .type sun4v_vintr_get_state,#function
2446sun4v_vintr_get_state:
2447 mov %o2, %g1
2448 mov HV_FAST_VINTR_GET_STATE, %o5
2449 ta HV_FAST_TRAP
2450 stx %o1, [%g1]
2451 retl
2452 nop
2453 .size sun4v_vintr_get_state, .-sun4v_vintr_get_state
2454
2455 /* %o0: device handle
2456 * %o1: device INO
2457 * %o2: state
2458 *
2459 * returns %o0: status
2460 */
2461 .globl sun4v_vintr_set_state
2462 .type sun4v_vintr_set_state,#function
2463sun4v_vintr_set_state:
2464 mov HV_FAST_VINTR_SET_STATE, %o5
2465 ta HV_FAST_TRAP
2466 retl
2467 nop
2468 .size sun4v_vintr_set_state, .-sun4v_vintr_set_state
2469
2470 /* %o0: device handle
2471 * %o1: device INO
2472 * %o2: pointer to unsigned long cpuid
2473 *
2474 * returns %o0: status
2475 */
2476 .globl sun4v_vintr_get_target
2477 .type sun4v_vintr_get_target,#function
2478sun4v_vintr_get_target:
2479 mov %o2, %g1
2480 mov HV_FAST_VINTR_GET_TARGET, %o5
2481 ta HV_FAST_TRAP
2482 stx %o1, [%g1]
2483 retl
2484 nop
2485 .size sun4v_vintr_get_target, .-sun4v_vintr_get_target
2486
2487 /* %o0: device handle
2488 * %o1: device INO
2489 * %o2: cpuid
2490 *
2491 * returns %o0: status
2492 */
2493 .globl sun4v_vintr_set_target
2494 .type sun4v_vintr_set_target,#function
2495sun4v_vintr_set_target:
2496 mov HV_FAST_VINTR_SET_TARGET, %o5
2497 ta HV_FAST_TRAP
2498 retl
2499 nop
2500 .size sun4v_vintr_set_target, .-sun4v_vintr_set_target
diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c
index f2e73e613748..a31a0439244f 100644
--- a/arch/sparc64/kernel/time.c
+++ b/arch/sparc64/kernel/time.c
@@ -680,22 +680,14 @@ static int starfire_set_time(u32 val)
680 680
681static u32 hypervisor_get_time(void) 681static u32 hypervisor_get_time(void)
682{ 682{
683 register unsigned long func asm("%o5"); 683 unsigned long ret, time;
684 register unsigned long arg0 asm("%o0");
685 register unsigned long arg1 asm("%o1");
686 int retries = 10000; 684 int retries = 10000;
687 685
688retry: 686retry:
689 func = HV_FAST_TOD_GET; 687 ret = sun4v_tod_get(&time);
690 arg0 = 0; 688 if (ret == HV_EOK)
691 arg1 = 0; 689 return time;
692 __asm__ __volatile__("ta %6" 690 if (ret == HV_EWOULDBLOCK) {
693 : "=&r" (func), "=&r" (arg0), "=&r" (arg1)
694 : "0" (func), "1" (arg0), "2" (arg1),
695 "i" (HV_FAST_TRAP));
696 if (arg0 == HV_EOK)
697 return arg1;
698 if (arg0 == HV_EWOULDBLOCK) {
699 if (--retries > 0) { 691 if (--retries > 0) {
700 udelay(100); 692 udelay(100);
701 goto retry; 693 goto retry;
@@ -709,20 +701,14 @@ retry:
709 701
710static int hypervisor_set_time(u32 secs) 702static int hypervisor_set_time(u32 secs)
711{ 703{
712 register unsigned long func asm("%o5"); 704 unsigned long ret;
713 register unsigned long arg0 asm("%o0");
714 int retries = 10000; 705 int retries = 10000;
715 706
716retry: 707retry:
717 func = HV_FAST_TOD_SET; 708 ret = sun4v_tod_set(secs);
718 arg0 = secs; 709 if (ret == HV_EOK)
719 __asm__ __volatile__("ta %4"
720 : "=&r" (func), "=&r" (arg0)
721 : "0" (func), "1" (arg0),
722 "i" (HV_FAST_TRAP));
723 if (arg0 == HV_EOK)
724 return 0; 710 return 0;
725 if (arg0 == HV_EWOULDBLOCK) { 711 if (ret == HV_EWOULDBLOCK) {
726 if (--retries > 0) { 712 if (--retries > 0) {
727 udelay(100); 713 udelay(100);
728 goto retry; 714 goto retry;
diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c
index 97af4311f787..3010227fe243 100644
--- a/arch/sparc64/mm/init.c
+++ b/arch/sparc64/mm/init.c
@@ -558,26 +558,11 @@ static void __init hypervisor_tlb_lock(unsigned long vaddr,
558 unsigned long pte, 558 unsigned long pte,
559 unsigned long mmu) 559 unsigned long mmu)
560{ 560{
561 register unsigned long func asm("%o5"); 561 unsigned long ret = sun4v_mmu_map_perm_addr(vaddr, 0, pte, mmu);
562 register unsigned long arg0 asm("%o0"); 562
563 register unsigned long arg1 asm("%o1"); 563 if (ret != 0) {
564 register unsigned long arg2 asm("%o2");
565 register unsigned long arg3 asm("%o3");
566
567 func = HV_FAST_MMU_MAP_PERM_ADDR;
568 arg0 = vaddr;
569 arg1 = 0;
570 arg2 = pte;
571 arg3 = mmu;
572 __asm__ __volatile__("ta 0x80"
573 : "=&r" (func), "=&r" (arg0),
574 "=&r" (arg1), "=&r" (arg2),
575 "=&r" (arg3)
576 : "0" (func), "1" (arg0), "2" (arg1),
577 "3" (arg2), "4" (arg3));
578 if (arg0 != 0) {
579 prom_printf("hypervisor_tlb_lock[%lx:%lx:%lx:%lx]: " 564 prom_printf("hypervisor_tlb_lock[%lx:%lx:%lx:%lx]: "
580 "errors with %lx\n", vaddr, 0, pte, mmu, arg0); 565 "errors with %lx\n", vaddr, 0, pte, mmu, ret);
581 prom_halt(); 566 prom_halt();
582 } 567 }
583} 568}
@@ -1314,20 +1299,16 @@ static void __init sun4v_ktsb_init(void)
1314 1299
1315void __cpuinit sun4v_ktsb_register(void) 1300void __cpuinit sun4v_ktsb_register(void)
1316{ 1301{
1317 register unsigned long func asm("%o5"); 1302 unsigned long pa, ret;
1318 register unsigned long arg0 asm("%o0");
1319 register unsigned long arg1 asm("%o1");
1320 unsigned long pa;
1321 1303
1322 pa = kern_base + ((unsigned long)&ktsb_descr[0] - KERNBASE); 1304 pa = kern_base + ((unsigned long)&ktsb_descr[0] - KERNBASE);
1323 1305
1324 func = HV_FAST_MMU_TSB_CTX0; 1306 ret = sun4v_mmu_tsb_ctx0(NUM_KTSB_DESCR, pa);
1325 arg0 = NUM_KTSB_DESCR; 1307 if (ret != 0) {
1326 arg1 = pa; 1308 prom_printf("hypervisor_mmu_tsb_ctx0[%lx]: "
1327 __asm__ __volatile__("ta %6" 1309 "errors with %lx\n", pa, ret);
1328 : "=&r" (func), "=&r" (arg0), "=&r" (arg1) 1310 prom_halt();
1329 : "0" (func), "1" (arg0), "2" (arg1), 1311 }
1330 "i" (HV_FAST_TRAP));
1331} 1312}
1332 1313
1333/* paging_init() sets up the page tables */ 1314/* paging_init() sets up the page tables */
generated by cgit v1.2.2 (git 2.25.0) at 2025-12-26 14:05:43 -0500