exceptions-64s.S (1bdd3e05a0a3b4a97ea88bc46fef8fb265c8b94c) exceptions-64s.S (ed0bc98f8cbe4f8254759d333a47aedc816ff8c5)
1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * This file contains the 64-bit "server" PowerPC variant
4 * of the low level exception handling including exception
5 * vectors, exception return, part of the slb and stab
6 * handling and other fixed offset specific things.
7 *
8 * This file is meant to be #included from head_64.S due to

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2203 * directly, without using LOAD_HANDLER().
2204 */
2205 .align 7
2206 .globl __end_interrupts
2207__end_interrupts:
2208DEFINE_FIXED_SYMBOL(__end_interrupts)
2209
2210#ifdef CONFIG_PPC_970_NAP
1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * This file contains the 64-bit "server" PowerPC variant
4 * of the low level exception handling including exception
5 * vectors, exception return, part of the slb and stab
6 * handling and other fixed offset specific things.
7 *
8 * This file is meant to be #included from head_64.S due to

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2203 * directly, without using LOAD_HANDLER().
2204 */
2205 .align 7
2206 .globl __end_interrupts
2207__end_interrupts:
2208DEFINE_FIXED_SYMBOL(__end_interrupts)
2209
2210#ifdef CONFIG_PPC_970_NAP
2211 /*
2212 * Called by exception entry code if _TLF_NAPPING was set, this clears
2213 * the NAPPING flag, and redirects the exception exit to
2214 * power4_fixup_nap_return.
2215 */
2216 .globl power4_fixup_nap
2211EXC_COMMON_BEGIN(power4_fixup_nap)
2212 andc r9,r9,r10
2213 std r9,TI_LOCAL_FLAGS(r11)
2217EXC_COMMON_BEGIN(power4_fixup_nap)
2218 andc r9,r9,r10
2219 std r9,TI_LOCAL_FLAGS(r11)
2214 ld r10,_LINK(r1) /* make idle task do the */
2215 std r10,_NIP(r1) /* equivalent of a blr */
2220 LOAD_REG_ADDR(r10, power4_idle_nap_return)
2221 std r10,_NIP(r1)
2216 blr
2222 blr
2223
2224power4_idle_nap_return:
2225 blr
2217#endif
2218
2219CLOSE_FIXED_SECTION(real_vectors);
2220CLOSE_FIXED_SECTION(real_trampolines);
2221CLOSE_FIXED_SECTION(virt_vectors);
2222CLOSE_FIXED_SECTION(virt_trampolines);
2223
2224USE_TEXT_SECTION()

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2227
2228CLOSE_FIXED_SECTION(real_vectors);
2229CLOSE_FIXED_SECTION(real_trampolines);
2230CLOSE_FIXED_SECTION(virt_vectors);
2231CLOSE_FIXED_SECTION(virt_trampolines);
2232
2233USE_TEXT_SECTION()

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