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Loongarch patch queue:

Browse Source 
Build fix for --enable-debug --enable-tcg-interpreter.
 Build fix for ls7a_rtc.
 Clear tlb on reset.
 Fixes for ipi mailboxes.
 Minor tweak to scripts/qemu-binfmt-conf.
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Merge tag 'pull-la-20220705' of https://gitlab.com/rth7680/qemu into staging

Loongarch patch queue:

Build fix for --enable-debug --enable-tcg-interpreter.
Build fix for ls7a_rtc.
Clear tlb on reset.
Fixes for ipi mailboxes.
Minor tweak to scripts/qemu-binfmt-conf.

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# gpg: Signature made Tue 05 Jul 2022 04:28:26 PM +0530
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [ultimate]

* tag 'pull-la-20220705' of https://gitlab.com/rth7680/qemu:
  hw/intc/loongarch_ipi: Fix mail send and any send function
  hw/intc/loongarch_ipi: Fix ipi device access of 64bits
  tcg/tci: Remove CONFIG_DEBUG_TCG_INTERPRETER
  scripts/qemu-binfmt-conf: Add LoongArch to qemu_get_family()
  target/loongarch: Clean up tlb when cpu reset
  hw/rtc/ls7a_rtc: Drop unused inline functions

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2022-07-05 16:30:52 +05:30
commit 19361471b5
8 changed files with 80 additions and 67 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

90
hw/intc/loongarch_ipi.c
View File

@ -50,35 +50,45 @@ static uint64_t loongarch_ipi_readl(void *opaque, hwaddr addr, unsigned size)
return ret;
}
static int get_ipi_data(target_ulong val)
static void send_ipi_data(CPULoongArchState *env, target_ulong val, target_ulong addr)
{
int i, mask, data;
data = val >> 32;
mask = (val >> 27) & 0xf;
int i, mask = 0, data = 0;
/*
* bit 27-30 is mask for byte writing,
* if the mask is 0, we need not to do anything.
*/
if ((val >> 27) & 0xf) {
data = address_space_ldl(&env->address_space_iocsr, addr,
MEMTXATTRS_UNSPECIFIED, NULL);
for (i = 0; i < 4; i++) {
if ((mask >> i) & 1) {
data &= ~(0xff << (i * 8));
/* get mask for byte writing */
if (val & (0x1 << (27 + i))) {
mask |= 0xff << (i * 8);
}
}
return data;
}
data &= mask;
data |= (val >> 32) & ~mask;
address_space_stl(&env->address_space_iocsr, addr,
data, MEMTXATTRS_UNSPECIFIED, NULL);
}
static void ipi_send(uint64_t val)
{
int cpuid, data;
CPULoongArchState *env;
CPUState *cs;
LoongArchCPU *cpu;
cpuid = (val >> 16) & 0x3ff;
/* IPI status vector */
data = 1 << (val & 0x1f);
qemu_mutex_lock_iothread();
CPUState *cs = qemu_get_cpu(cpuid);
LoongArchCPU *cpu = LOONGARCH_CPU(cs);
cs = qemu_get_cpu(cpuid);
cpu = LOONGARCH_CPU(cs);
env = &cpu->env;
loongarch_cpu_set_irq(cpu, IRQ_IPI, 1);
qemu_mutex_unlock_iothread();
address_space_stl(&env->address_space_iocsr, 0x1008,
data, MEMTXATTRS_UNSPECIFIED, NULL);
@ -86,23 +96,23 @@ static void ipi_send(uint64_t val)
static void mail_send(uint64_t val)
{
int cpuid, data;
int cpuid;
hwaddr addr;
CPULoongArchState *env;
CPUState *cs;
LoongArchCPU *cpu;
cpuid = (val >> 16) & 0x3ff;
addr = 0x1020 + (val & 0x1c);
CPUState *cs = qemu_get_cpu(cpuid);
LoongArchCPU *cpu = LOONGARCH_CPU(cs);
cs = qemu_get_cpu(cpuid);
cpu = LOONGARCH_CPU(cs);
env = &cpu->env;
data = get_ipi_data(val);
address_space_stl(&env->address_space_iocsr, addr,
data, MEMTXATTRS_UNSPECIFIED, NULL);
send_ipi_data(env, val, addr);
}
static void any_send(uint64_t val)
{
int cpuid, data;
int cpuid;
hwaddr addr;
CPULoongArchState *env;
@ -111,9 +121,7 @@ static void any_send(uint64_t val)
CPUState *cs = qemu_get_cpu(cpuid);
LoongArchCPU *cpu = LOONGARCH_CPU(cs);
env = &cpu->env;
data = get_ipi_data(val);
address_space_stl(&env->address_space_iocsr, addr,
data, MEMTXATTRS_UNSPECIFIED, NULL);
send_ipi_data(env, val, addr);
}
static void loongarch_ipi_writel(void *opaque, hwaddr addr, uint64_t val,
@ -150,12 +158,6 @@ static void loongarch_ipi_writel(void *opaque, hwaddr addr, uint64_t val,
case IOCSR_IPI_SEND:
ipi_send(val);
break;
case IOCSR_MAIL_SEND:
mail_send(val);
break;
case IOCSR_ANY_SEND:
any_send(val);
break;
default:
qemu_log_mask(LOG_UNIMP, "invalid write: %x", (uint32_t)addr);
break;
@ -172,6 +174,32 @@ static const MemoryRegionOps loongarch_ipi_ops = {
.endianness = DEVICE_LITTLE_ENDIAN,
};
/* mail send and any send only support writeq */
static void loongarch_ipi_writeq(void *opaque, hwaddr addr, uint64_t val,
unsigned size)
{
addr &= 0xfff;
switch (addr) {
case MAIL_SEND_OFFSET:
mail_send(val);
break;
case ANY_SEND_OFFSET:
any_send(val);
break;
default:
break;
}
}
static const MemoryRegionOps loongarch_ipi64_ops = {
.write = loongarch_ipi_writeq,
.impl.min_access_size = 8,
.impl.max_access_size = 8,
.valid.min_access_size = 8,
.valid.max_access_size = 8,
.endianness = DEVICE_LITTLE_ENDIAN,
};
static void loongarch_ipi_init(Object *obj)
{
int cpu;
@ -187,8 +215,12 @@ static void loongarch_ipi_init(Object *obj)
lams = LOONGARCH_MACHINE(machine);
for (cpu = 0; cpu < MAX_IPI_CORE_NUM; cpu++) {
memory_region_init_io(&s->ipi_iocsr_mem[cpu], obj, &loongarch_ipi_ops,
&lams->ipi_core[cpu], "loongarch_ipi_iocsr", 0x100);
&lams->ipi_core[cpu], "loongarch_ipi_iocsr", 0x48);
sysbus_init_mmio(sbd, &s->ipi_iocsr_mem[cpu]);
memory_region_init_io(&s->ipi64_iocsr_mem[cpu], obj, &loongarch_ipi64_ops,
&lams->ipi_core[cpu], "loongarch_ipi64_iocsr", 0x118);
sysbus_init_mmio(sbd, &s->ipi64_iocsr_mem[cpu]);
qdev_init_gpio_out(DEVICE(obj), &lams->ipi_core[cpu].irq, 1);
}
}

5
hw/loongarch/loongson3.c
View File

@ -230,7 +230,10 @@ static void loongarch_irq_init(LoongArchMachineState *lams)
/* IPI iocsr memory region */
memory_region_add_subregion(&env->system_iocsr, SMP_IPI_MAILBOX,
sysbus_mmio_get_region(SYS_BUS_DEVICE(ipi),
cpu));
cpu * 2));
memory_region_add_subregion(&env->system_iocsr, MAIL_SEND_ADDR,
sysbus_mmio_get_region(SYS_BUS_DEVICE(ipi),
cpu * 2 + 1));
/* extioi iocsr memory region */
memory_region_add_subregion(&env->system_iocsr, APIC_BASE,
sysbus_mmio_get_region(SYS_BUS_DEVICE(extioi),

27
hw/rtc/ls7a_rtc.c
View File

@ -86,46 +86,31 @@ struct LS7ARtcState {
};
/* switch nanoseconds time to rtc ticks */
static inline uint64_t ls7a_rtc_ticks(void)
static uint64_t ls7a_rtc_ticks(void)
{
return qemu_clock_get_ns(rtc_clock) * LS7A_RTC_FREQ / NANOSECONDS_PER_SECOND;
}
/* switch rtc ticks to nanoseconds */
static inline uint64_t ticks_to_ns(uint64_t ticks)
static uint64_t ticks_to_ns(uint64_t ticks)
{
return ticks * NANOSECONDS_PER_SECOND / LS7A_RTC_FREQ;
}
static inline bool toy_enabled(LS7ARtcState *s)
static bool toy_enabled(LS7ARtcState *s)
{
return FIELD_EX32(s->cntrctl, RTC_CTRL, TOYEN) &&
FIELD_EX32(s->cntrctl, RTC_CTRL, EO);
}
static inline bool rtc_enabled(LS7ARtcState *s)
static bool rtc_enabled(LS7ARtcState *s)
{
return FIELD_EX32(s->cntrctl, RTC_CTRL, RTCEN) &&
FIELD_EX32(s->cntrctl, RTC_CTRL, EO);
}
/* parse toy value to struct tm */
static inline void toy_val_to_time_mon(uint64_t toy_val, struct tm *tm)
{
tm->tm_sec = FIELD_EX32(toy_val, TOY, SEC);
tm->tm_min = FIELD_EX32(toy_val, TOY, MIN);
tm->tm_hour = FIELD_EX32(toy_val, TOY, HOUR);
tm->tm_mday = FIELD_EX32(toy_val, TOY, DAY);
tm->tm_mon = FIELD_EX32(toy_val, TOY, MON) - 1;
}
static inline void toy_val_to_time_year(uint64_t toy_year, struct tm *tm)
{
tm->tm_year = toy_year;
}
/* parse struct tm to toy value */
static inline uint64_t toy_time_to_val_mon(struct tm *tm)
static uint64_t toy_time_to_val_mon(const struct tm *tm)
{
uint64_t val = 0;
@ -137,7 +122,7 @@ static inline uint64_t toy_time_to_val_mon(struct tm *tm)
return val;
}
static inline void toymatch_val_to_time(LS7ARtcState *s, uint64_t val, struct tm *tm)
static void toymatch_val_to_time(LS7ARtcState *s, uint64_t val, struct tm *tm)
{
qemu_get_timedate(tm, s->offset_toy);
tm->tm_sec = FIELD_EX32(val, TOY_MATCH, SEC);

7
include/hw/intc/loongarch_ipi.h
View File

@ -24,8 +24,9 @@
#define IOCSR_MAIL_SEND 0x48
#define IOCSR_ANY_SEND 0x158
/* IPI system memory address */
#define IPI_SYSTEM_MEM 0x1fe01000
#define MAIL_SEND_ADDR (SMP_IPI_MAILBOX + IOCSR_MAIL_SEND)
#define MAIL_SEND_OFFSET 0
#define ANY_SEND_OFFSET (IOCSR_ANY_SEND - IOCSR_MAIL_SEND)
#define MAX_IPI_CORE_NUM 4
#define MAX_IPI_MBX_NUM 4
@ -46,7 +47,7 @@ typedef struct IPICore {
struct LoongArchIPI {
SysBusDevice parent_obj;
MemoryRegion ipi_iocsr_mem[MAX_IPI_CORE_NUM];
MemoryRegion ipi_system_mem[MAX_IPI_CORE_NUM];
MemoryRegion ipi64_iocsr_mem[MAX_IPI_CORE_NUM];
};
#endif

3
scripts/qemu-binfmt-conf.sh
View File

@ -171,6 +171,9 @@ qemu_get_family() {
riscv*)
echo "riscv"
;;
loongarch*)
echo "loongarch"
;;
*)
echo "$cpu"
;;

1
target/loongarch/cpu.c
View File

@ -479,6 +479,7 @@ static void loongarch_cpu_reset(DeviceState *dev)
#ifndef CONFIG_USER_ONLY
env->pc = 0x1c000000;
memset(env->tlb, 0, sizeof(env->tlb));
#endif
restore_fp_status(env);

7
tcg/tci/tcg-target.c.inc
View File

@ -823,13 +823,6 @@ static void tcg_out_nop_fill(tcg_insn_unit *p, int count)
static void tcg_target_init(TCGContext *s)
{
#if defined(CONFIG_DEBUG_TCG_INTERPRETER)
const char *envval = getenv("DEBUG_TCG");
if (envval) {
qemu_set_log(strtol(envval, NULL, 0));
}
#endif
/* The current code uses uint8_t for tcg operations. */
tcg_debug_assert(tcg_op_defs_max <= UINT8_MAX);

5
tcg/tci/tcg-target.h
View File

@ -53,11 +53,6 @@
# error Unknown pointer size for tci target
#endif
#ifdef CONFIG_DEBUG_TCG
/* Enable debug output. */
#define CONFIG_DEBUG_TCG_INTERPRETER
#endif
/* Optional instructions. */
#define TCG_TARGET_HAS_bswap16_i32 1