diff options
Diffstat (limited to 'qemu/target-arm/gdbstub.c')
-rw-r--r-- | qemu/target-arm/gdbstub.c | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/qemu/target-arm/gdbstub.c b/qemu/target-arm/gdbstub.c deleted file mode 100644 index 3ba9aadd4..000000000 --- a/qemu/target-arm/gdbstub.c +++ /dev/null @@ -1,102 +0,0 @@ -/* - * ARM gdb server stub - * - * Copyright (c) 2003-2005 Fabrice Bellard - * Copyright (c) 2013 SUSE LINUX Products GmbH - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, see <http://www.gnu.org/licenses/>. - */ -#include "qemu/osdep.h" -#include "qemu-common.h" -#include "exec/gdbstub.h" - -/* Old gdb always expect FPA registers. Newer (xml-aware) gdb only expect - whatever the target description contains. Due to a historical mishap - the FPA registers appear in between core integer regs and the CPSR. - We hack round this by giving the FPA regs zero size when talking to a - newer gdb. */ - -int arm_cpu_gdb_read_register(CPUState *cs, uint8_t *mem_buf, int n) -{ - ARMCPU *cpu = ARM_CPU(cs); - CPUARMState *env = &cpu->env; - - if (n < 16) { - /* Core integer register. */ - return gdb_get_reg32(mem_buf, env->regs[n]); - } - if (n < 24) { - /* FPA registers. */ - if (gdb_has_xml) { - return 0; - } - memset(mem_buf, 0, 12); - return 12; - } - switch (n) { - case 24: - /* FPA status register. */ - if (gdb_has_xml) { - return 0; - } - return gdb_get_reg32(mem_buf, 0); - case 25: - /* CPSR */ - return gdb_get_reg32(mem_buf, cpsr_read(env)); - } - /* Unknown register. */ - return 0; -} - -int arm_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n) -{ - ARMCPU *cpu = ARM_CPU(cs); - CPUARMState *env = &cpu->env; - uint32_t tmp; - - tmp = ldl_p(mem_buf); - - /* Mask out low bit of PC to workaround gdb bugs. This will probably - cause problems if we ever implement the Jazelle DBX extensions. */ - if (n == 15) { - tmp &= ~1; - } - - if (n < 16) { - /* Core integer register. */ - env->regs[n] = tmp; - return 4; - } - if (n < 24) { /* 16-23 */ - /* FPA registers (ignored). */ - if (gdb_has_xml) { - return 0; - } - return 12; - } - switch (n) { - case 24: - /* FPA status register (ignored). */ - if (gdb_has_xml) { - return 0; - } - return 4; - case 25: - /* CPSR */ - cpsr_write(env, tmp, 0xffffffff, CPSRWriteByGDBStub); - return 4; - } - /* Unknown register. */ - return 0; -} |