On Wed, 03 May 2023 08:30:12 PDT (-0700), sch...@suse.de wrote:
From 912af433fa5d93ce81d2054135ed475ab7462d2d Mon Sep 17 00:00:00 2001 From: Andreas Schwab <sch...@suse.de> Date: Tue, 18 Apr 2023 11:54:01 +0200Signed-off-by: Andreas Schwab <sch...@suse.de> --- v3: fix isa order linux-user/syscall.c | 55 ++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 53 insertions(+), 2 deletions(-) diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 69f740ff98..5207259b56 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -8231,7 +8231,8 @@ void target_exception_dump(CPUArchState *env, const char *fmt, int code) } #if HOST_BIG_ENDIAN != TARGET_BIG_ENDIAN || \ - defined(TARGET_SPARC) || defined(TARGET_M68K) || defined(TARGET_HPPA) + defined(TARGET_SPARC) || defined(TARGET_M68K) || defined(TARGET_HPPA) || \ + defined(TARGET_RISCV) static int is_proc(const char *filename, const char *entry) { return strcmp(filename, entry) == 0; @@ -8309,6 +8310,56 @@ static int open_cpuinfo(CPUArchState *cpu_env, int fd) } #endif +#if defined(TARGET_RISCV) +static int open_cpuinfo(CPUArchState *cpu_env, int fd) +{ + int i, num_cpus; + char isa[32]; + +#if defined(TARGET_RISCV32) + strcpy (isa, "rv32"); +#endif +#if defined(TARGET_RISCV64) + strcpy (isa, "rv64"); +#endif + i = strlen (isa); + if (riscv_has_ext (cpu_env, RVI)) + isa[i++] = 'i'; + if (riscv_has_ext (cpu_env, RVE)) + isa[i++] = 'e'; + if (riscv_has_ext (cpu_env, RVM)) + isa[i++] = 'm'; + if (riscv_has_ext (cpu_env, RVA)) + isa[i++] = 'a'; + if (riscv_has_ext (cpu_env, RVF)) + isa[i++] = 'f'; + if (riscv_has_ext (cpu_env, RVD)) + isa[i++] = 'd'; + if (riscv_has_ext (cpu_env, RVC)) + isa[i++] = 'c'; + if (riscv_has_ext (cpu_env, RVV)) + isa[i++] = 'v'; + isa[i] = 0; + + num_cpus = sysconf(_SC_NPROCESSORS_ONLN); + for (i = 0; i < num_cpus; i++) { + dprintf(fd, "processor\t: %d\n", i); + dprintf(fd, "hart\t\t: %d\n", i); + dprintf(fd, "isa\t\t: %s\n", isa); +#if defined(TARGET_RISCV32) + dprintf(fd, "mmu\t\t: sv32\n"); +#endif +#if defined(TARGET_RISCV64) + dprintf(fd, "mmu\t\t: sv57\n"); +#endif + dprintf(fd, "mvendorid\t: 0x0\n"); + dprintf(fd, "marchid\t\t: 0x0\n"); + dprintf(fd, "mimpid\t\t: 0x0\n\n"); + } + return 0; +} +#endif + #if defined(TARGET_M68K) static int open_hardware(CPUArchState *cpu_env, int fd) { @@ -8333,7 +8384,7 @@ static int do_openat(CPUArchState *cpu_env, int dirfd, const char *pathname, int #if HOST_BIG_ENDIAN != TARGET_BIG_ENDIAN { "/proc/net/route", open_net_route, is_proc }, #endif -#if defined(TARGET_SPARC) || defined(TARGET_HPPA) +#if defined(TARGET_SPARC) || defined(TARGET_HPPA) || defined(TARGET_RISCV) { "/proc/cpuinfo", open_cpuinfo, is_proc }, #endif #if defined(TARGET_M68K)
Reviewed-by: Palmer Dabbelt <pal...@rivosinc.com> Thanks!
