diff --git a/target/alpha/clk_helper.c b/target/alpha/clk_helper.c new file mode 100644 index 0000000000..26ffc231cd --- /dev/null +++ b/target/alpha/clk_helper.c @@ -0,0 +1,32 @@ +/* + * QEMU Alpha clock helpers. + * + * Copyright (c) 2007 Jocelyn Mayer + * + * SPDX-License-Identifier: LGPL-2.1-or-later + */ + +#include "qemu/osdep.h" +#include "qemu/timer.h" +#include "exec/helper-proto.h" +#include "cpu.h" + +uint64_t helper_load_pcc(CPUAlphaState *env) +{ +#ifndef CONFIG_USER_ONLY + /* + * In system mode we have access to a decent high-resolution clock. + * In order to make OS-level time accounting work with the RPCC, + * present it with a well-timed clock fixed at 250MHz. + */ + return (((uint64_t)env->pcc_ofs << 32) + | (uint32_t)(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) >> 2)); +#else + /* + * In user-mode, QEMU_CLOCK_VIRTUAL doesn't exist. Just pass through + * the host cpu clock ticks. Also, don't bother taking PCC_OFS into + * account. + */ + return (uint32_t)cpu_get_host_ticks(); +#endif +} diff --git a/target/alpha/meson.build b/target/alpha/meson.build index d3502dd823..ea252c99a5 100644 --- a/target/alpha/meson.build +++ b/target/alpha/meson.build @@ -4,6 +4,7 @@ alpha_ss.add(files( 'fpu_helper.c', 'gdbstub.c', 'helper.c', + 'clk_helper.c', 'int_helper.c', 'mem_helper.c', 'sys_helper.c', diff --git a/target/alpha/sys_helper.c b/target/alpha/sys_helper.c index c83c92dd4c..98d9a0fff7 100644 --- a/target/alpha/sys_helper.c +++ b/target/alpha/sys_helper.c @@ -27,21 +27,6 @@ #include "qemu/timer.h" -uint64_t helper_load_pcc(CPUAlphaState *env) -{ -#ifndef CONFIG_USER_ONLY - /* In system mode we have access to a decent high-resolution clock. - In order to make OS-level time accounting work with the RPCC, - present it with a well-timed clock fixed at 250MHz. */ - return (((uint64_t)env->pcc_ofs << 32) - | (uint32_t)(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) >> 2)); -#else - /* In user-mode, QEMU_CLOCK_VIRTUAL doesn't exist. Just pass through the host cpu - clock ticks. Also, don't bother taking PCC_OFS into account. */ - return (uint32_t)cpu_get_host_ticks(); -#endif -} - /* PALcode support special instructions */ #ifndef CONFIG_USER_ONLY void helper_tbia(CPUAlphaState *env)